diff --git a/frontend/components/widgets/IPHistory.vue b/frontend/components/widgets/IPHistory.vue
index dcdb079c..2196370a 100644
--- a/frontend/components/widgets/IPHistory.vue
+++ b/frontend/components/widgets/IPHistory.vue
@@ -35,11 +35,26 @@
                     {{ t('ipHistory.Empty') }}
                 </div>
 
+                <!-- View selection keeps the country/type filters intact. -->
+                <ToggleGroup v-if="hasHistory" :model-value="viewMode" type="single" variant="outline"
+                    class="w-full" :aria-label="t('ipHistory.ViewMode')"
+                    @update:model-value="(value) => { if (value) viewMode = value; }">
+                    <ToggleGroupItem value="ip" class="flex-1 cursor-pointer">
+                        {{ t('ipHistory.ByIP') }}
+                    </ToggleGroupItem>
+                    <ToggleGroupItem value="date" class="flex-1 cursor-pointer">
+                        {{ t('ipHistory.ByDate') }}
+                    </ToggleGroupItem>
+                </ToggleGroup>
+
                 <!-- Filters — flat toggle tags: highlight any combination.
                     Within a row selections OR together, the two rows AND.
                     Nothing highlighted = no filter. Tags and counts come from
                     the full history so the layout never shifts mid-combo. -->
                 <div v-if="hasHistory && (showTypeFilter || showCountryFilter)" class="space-y-2">
+                    <p class="text-xs text-muted-foreground">
+                        {{ t(viewMode === 'ip' ? 'ipHistory.UniqueIPCounts' : 'ipHistory.DailyRecordCounts') }}
+                    </p>
                     <!-- IP type tags -->
                     <ToggleGroup v-if="showTypeFilter" v-model="versionFilter" type="multiple" variant="outline"
                         :spacing="2" class="w-full flex-wrap justify-start"
@@ -69,15 +84,15 @@
                 </div>
 
                 <!-- Empty result for the selected tag combination -->
-                <div v-if="hasHistory && displayDays.length === 0"
+                <div v-if="hasHistory && displayGroups.length === 0"
                     class="flex flex-col items-center gap-2 py-10 text-center text-sm text-muted-foreground">
                     <ListFilter class="size-8 opacity-40" />
                     {{ t('ipHistory.NoMatch') }}
                 </div>
 
-                <!-- Day groups, newest first -->
-                <section v-for="group in displayDays" :key="group.day">
-                    <h3 class="text-xs uppercase tracking-wide text-muted-foreground mb-2">
+                <!-- IP summaries sort by last seen; date groups sort newest first. -->
+                <section v-for="group in displayGroups" :key="`${viewMode}:${group.day || 'ips'}`">
+                    <h3 v-if="group.day" class="text-xs uppercase tracking-wide text-muted-foreground mb-2">
                         {{ formatDay(group.day) }}
                     </h3>
                     <ul class="rounded-lg border bg-card divide-y">
@@ -98,6 +113,32 @@
                                     {{ entry.asn }}
                                 </Badge>
                             </div>
+                            <!-- Single-day records need no expandable date list. -->
+                            <div v-if="viewMode === 'ip'" class="mt-3 space-y-2">
+                                <p class="text-xs font-medium">
+                                    {{ t('ipHistory.LastSeen', { date: formatDay(entry.lastSeen) }) }}
+                                </p>
+                                <p class="text-xs text-muted-foreground">
+                                    {{ t('ipHistory.FirstSeen', { date: formatDay(entry.firstSeen) }) }}
+                                </p>
+                                <Collapsible v-if="entry.dayCount > 1">
+                                    <CollapsibleTrigger>
+                                        <Button type="button" variant="ghost" size="sm"
+                                            class="group h-auto max-w-full justify-start whitespace-normal px-0 py-1 text-xs text-muted-foreground cursor-pointer">
+                                            <ChevronDown class="size-3.5 transition-transform group-data-[state=open]:rotate-180" />
+                                            {{ t('ipHistory.RecordDates') }}
+                                            <span class="sr-only">{{ entry.ip }}</span>
+                                        </Button>
+                                    </CollapsibleTrigger>
+                                    <CollapsibleContent>
+                                        <ul class="grid grid-cols-2 gap-x-3 gap-y-2 pt-2 pb-1 text-xs text-muted-foreground">
+                                            <li v-for="day in entry.dates" :key="day">
+                                                <time :datetime="day">{{ formatDay(day) }}</time>
+                                            </li>
+                                        </ul>
+                                    </CollapsibleContent>
+                                </Collapsible>
+                            </div>
                         </li>
                     </ul>
                 </section>
@@ -119,25 +160,26 @@
 <script setup>
 // IPHistory — local record of every IP detected while using the app.
 // Data comes from store.allIPs via use-ip-history (localStorage, grouped by
-// day, 90-day retention, never synced to the account). The panel mirrors the
-// Preferences left-sheet shell.
+// day, up to 90 days, never synced to the account). IP summaries are derived
+// from the matching daily records; the date view keeps those records accessible.
 import { ref, computed, watch } from 'vue';
 import { useMainStore } from '@/store';
 import { useI18n } from 'vue-i18n';
 import { trackEvent } from '@/utils/analytics';
 import { useIpHistory } from '@/composables/use-ip-history.js';
 import { INLINE_TIERS } from '@/composables/use-fit-text.js';
-import { filterHistoryDays, countryFacets, ipVersionCounts } from '@/utils/ip-history.js';
+import { filterHistoryDays, groupHistoryByIP, countryFacets, ipVersionCounts } from '@/utils/ip-history.js';
 import { formatIsoDate } from '@/utils/time-utils.js';
 import getCountryName from '@/data/country-name.js';
 import FitText from '@/components/widgets/FitText.vue';
 import { Sheet, SheetContent, SheetClose } from '@/components/ui/sheet';
 import { ToggleGroup, ToggleGroupItem } from '@/components/ui/toggle-group';
+import { Collapsible, CollapsibleTrigger, CollapsibleContent } from '@/components/ui/collapsible';
 import { JnTooltip } from '@/components/ui/tooltip';
 import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { Icon } from '@iconify/vue';
-import { Globe, History, ListFilter, Trash2 } from '@lucide/vue';
+import { ChevronDown, Globe, History, ListFilter, Trash2 } from '@lucide/vue';
 
 const { t } = useI18n();
 const store = useMainStore();
@@ -156,6 +198,7 @@ const openPanel = () => {
 };
 
 const lang = computed(() => store.lang);
+const viewMode = ref('ip');
 
 // Filters — flat toggle tags, any combination. Empty selection = that
 // dimension unfiltered. Country values are country codes plus the 'unknown'
@@ -170,15 +213,23 @@ const countryFilter = ref([]); // country codes + 'unknown'
 const tagClass = 'group h-7 rounded-full px-2.5 text-xs cursor-pointer';
 const tagCountClass = 'text-muted-foreground group-data-[state=on]:text-primary-foreground/70';
 
-const versionCounts = computed(() => ipVersionCounts(sortedDays.value));
+// Facets always cover the full retained history, with units matching the view.
+// Country counts can overlap: one IP may have been recorded in multiple countries.
+const facetOptions = computed(() => ({ uniqueIPs: viewMode.value === 'ip' }));
+const versionCounts = computed(() => ipVersionCounts(sortedDays.value, facetOptions.value));
 const showTypeFilter = computed(() => versionCounts.value.v4 > 0 && versionCounts.value.v6 > 0);
-const countries = computed(() => countryFacets(sortedDays.value));
+const countries = computed(() => countryFacets(sortedDays.value, facetOptions.value));
 const showCountryFilter = computed(() => countries.value.length > 1);
 
 const displayDays = computed(() => filterHistoryDays(sortedDays.value, {
     versions: versionFilter.value.map((v) => (v === 'v6' ? 6 : 4)),
     countries: countryFilter.value.map((c) => (c === 'unknown' ? '' : c)),
 }));
+const displayGroups = computed(() => {
+    if (viewMode.value === 'date') return displayDays.value;
+    const entries = groupHistoryByIP(displayDays.value);
+    return entries.length ? [{ day: null, entries }] : [];
+});
 
 // Drop selections whose records vanished entirely (retention pruning,
 // clear-all), so stale hidden tags don't keep filtering the list.
diff --git a/frontend/locales/en.json b/frontend/locales/en.json
index f21ad96e..69009f93 100644
--- a/frontend/locales/en.json
+++ b/frontend/locales/en.json
@@ -1215,7 +1215,15 @@
     "UnknownCountry": "Unknown",
     "NoMatch": "No records match the selected filters.",
     "ClearAll": "Clear History",
-    "ClearConfirm": "Click again to confirm"
+    "ClearConfirm": "Click again to confirm",
+    "ViewMode": "History view",
+    "ByIP": "By IP",
+    "ByDate": "By date",
+    "UniqueIPCounts": "Tag counts: unique IPs across all retained records.",
+    "DailyRecordCounts": "Tag counts: records across all retained dates (one per IP per day).",
+    "LastSeen": "Last seen: {date}",
+    "FirstSeen": "First seen: {date}",
+    "RecordDates": "View recorded dates"
   },
   "ipInfos": {
     "Title": "IP Infos",
diff --git a/frontend/locales/fr.json b/frontend/locales/fr.json
index 1b2f800b..9b3df4bc 100644
--- a/frontend/locales/fr.json
+++ b/frontend/locales/fr.json
@@ -1215,7 +1215,15 @@
     "UnknownCountry": "Inconnu",
     "NoMatch": "Aucun enregistrement ne correspond aux filtres sélectionnés.",
     "ClearAll": "Effacer l'historique",
-    "ClearConfirm": "Cliquez à nouveau pour confirmer"
+    "ClearConfirm": "Cliquez à nouveau pour confirmer",
+    "ViewMode": "Vue de l’historique",
+    "ByIP": "Par IP",
+    "ByDate": "Par date",
+    "UniqueIPCounts": "Compteurs des filtres : IP uniques dans l’ensemble des enregistrements conservés.",
+    "DailyRecordCounts": "Compteurs des filtres : enregistrements de toutes les dates conservées (un par IP et par jour).",
+    "LastSeen": "Dernière détection : {date}",
+    "FirstSeen": "Première détection : {date}",
+    "RecordDates": "Voir les dates enregistrées"
   },
   "ipInfos": {
     "Title": "Infos IP",
diff --git a/frontend/locales/pt-BR.json b/frontend/locales/pt-BR.json
index 4242ae37..f908c48f 100644
--- a/frontend/locales/pt-BR.json
+++ b/frontend/locales/pt-BR.json
@@ -1215,7 +1215,15 @@
     "UnknownCountry": "Desconhecido",
     "NoMatch": "Nenhum registro corresponde aos filtros selecionados.",
     "ClearAll": "Limpar histórico",
-    "ClearConfirm": "Clique novamente para confirmar"
+    "ClearConfirm": "Clique novamente para confirmar",
+    "ViewMode": "Visualização do histórico",
+    "ByIP": "Por IP",
+    "ByDate": "Por data",
+    "UniqueIPCounts": "Contagens dos filtros: IPs únicos em todos os registros mantidos.",
+    "DailyRecordCounts": "Contagens dos filtros: registros de todas as datas mantidas (um por IP por dia).",
+    "LastSeen": "Última detecção: {date}",
+    "FirstSeen": "Primeira detecção: {date}",
+    "RecordDates": "Ver datas registradas"
   },
   "ipInfos": {
     "Title": "Informações de IP",
diff --git a/frontend/locales/ru.json b/frontend/locales/ru.json
index a81e0a9a..cbefca08 100644
--- a/frontend/locales/ru.json
+++ b/frontend/locales/ru.json
@@ -1215,7 +1215,15 @@
     "UnknownCountry": "Неизвестно",
     "NoMatch": "Нет записей, соответствующих выбранным фильтрам.",
     "ClearAll": "Очистить историю",
-    "ClearConfirm": "Нажмите ещё раз для подтверждения"
+    "ClearConfirm": "Нажмите ещё раз для подтверждения",
+    "ViewMode": "Вид истории",
+    "ByIP": "По IP",
+    "ByDate": "По дате",
+    "UniqueIPCounts": "Числа в фильтрах: уникальные IP среди всех сохранённых записей.",
+    "DailyRecordCounts": "Числа в фильтрах: записи за все сохранённые даты (одна на IP в день).",
+    "LastSeen": "Последнее обнаружение: {date}",
+    "FirstSeen": "Первое обнаружение: {date}",
+    "RecordDates": "Показать даты записей"
   },
   "ipInfos": {
     "Title": "Сведения об IP",
diff --git a/frontend/locales/zh-TW.json b/frontend/locales/zh-TW.json
index 98aca6d4..97fb7ab1 100644
--- a/frontend/locales/zh-TW.json
+++ b/frontend/locales/zh-TW.json
@@ -1215,7 +1215,15 @@
     "UnknownCountry": "未知",
     "NoMatch": "沒有符合篩選條件的記錄。",
     "ClearAll": "清空記錄",
-    "ClearConfirm": "再次點選確認清空"
+    "ClearConfirm": "再次點選確認清空",
+    "ViewMode": "歷史記錄檢視方式",
+    "ByIP": "依 IP",
+    "ByDate": "依日期",
+    "UniqueIPCounts": "標籤數量：所有保留記錄中的不重複 IP 數。",
+    "DailyRecordCounts": "標籤數量：所有保留日期的記錄數（同一 IP 每天計一筆）。",
+    "LastSeen": "最近：{date}",
+    "FirstSeen": "首次：{date}",
+    "RecordDates": "檢視記錄日期"
   },
   "ipInfos": {
     "Title": "IP 資訊",
diff --git a/frontend/locales/zh.json b/frontend/locales/zh.json
index 97a71c65..f9246ed0 100644
--- a/frontend/locales/zh.json
+++ b/frontend/locales/zh.json
@@ -1215,7 +1215,15 @@
     "UnknownCountry": "未知",
     "NoMatch": "没有符合筛选条件的记录。",
     "ClearAll": "清空记录",
-    "ClearConfirm": "再次点击确认清空"
+    "ClearConfirm": "再次点击确认清空",
+    "ViewMode": "历史记录视图",
+    "ByIP": "按 IP",
+    "ByDate": "按日期",
+    "UniqueIPCounts": "标签数量：全部保留记录中的独立 IP 数。",
+    "DailyRecordCounts": "标签数量：全部保留日期的记录数（同一 IP 每天计一条）。",
+    "LastSeen": "最近：{date}",
+    "FirstSeen": "首次：{date}",
+    "RecordDates": "查看记录日期"
   },
   "ipInfos": {
     "Title": "IP 信息",
diff --git a/frontend/utils/ip-history.js b/frontend/utils/ip-history.js
index 94ab2b95..d328635e 100644
--- a/frontend/utils/ip-history.js
+++ b/frontend/utils/ip-history.js
@@ -130,15 +130,50 @@ export const sortedHistoryDays = (history) =>
         .sort(([a], [b]) => (a < b ? 1 : -1))
         .map(([day, entries]) => ({ day, entries }));
 
+// Aggregate retained (optionally filtered) records without changing storage.
+// Keep the latest matching record's metadata together: combining fields from
+// different days could invent a country/location/ASN combination never seen.
+export const groupHistoryByIP = (days) => {
+    const byIp = new Map();
+    for (const { day, entries } of [...days].sort((a, b) => b.day.localeCompare(a.day))) {
+        for (const entry of entries) {
+            if (!byIp.has(entry.ip)) {
+                byIp.set(entry.ip, { ...entry, dates: new Set() });
+            }
+            byIp.get(entry.ip).dates.add(day);
+        }
+    }
+    return [...byIp.values()]
+        .map(({ dates, ...entry }) => {
+            const recordedDays = [...dates];
+            return {
+                ...entry,
+                dates: recordedDays,
+                firstSeen: recordedDays.at(-1),
+                lastSeen: recordedDays[0],
+                dayCount: recordedDays.length,
+            };
+        })
+        .sort((a, b) => b.lastSeen.localeCompare(a.lastSeen) || a.ip.localeCompare(b.ip));
+};
+
 // Aggregate entry counts per country over a sortedHistoryDays() list, most
 // entries first (code asc as tie-breaker). Entries without a country roll up
 // under ''. Takes the day list rather than the history object so facets can
 // be computed on an already-filtered view (e.g. after the IP-type filter).
-export const countryFacets = (days) => {
+// Unique mode counts each IP once per country it was recorded in, so a
+// historical country remains discoverable even if the latest record differs.
+export const countryFacets = (days, { uniqueIPs = false } = {}) => {
     const counts = new Map();
+    const seen = new Map();
     for (const { entries } of days) {
-        for (const { country } of entries) {
+        for (const { ip, country } of entries) {
             const code = country || '';
+            if (uniqueIPs) {
+                if (!seen.has(code)) seen.set(code, new Set());
+                if (seen.get(code).has(ip)) continue;
+                seen.get(code).add(ip);
+            }
             counts.set(code, (counts.get(code) || 0) + 1);
         }
     }
@@ -159,12 +194,15 @@ export const distinctCountryCount = (history) => {
     return codes.size;
 };
 
-// Entry counts per IP version over a sortedHistoryDays() list.
-export const ipVersionCounts = (days) => {
+// Entry counts per IP version, optionally deduplicated across all days.
+export const ipVersionCounts = (days, { uniqueIPs = false } = {}) => {
     let v4 = 0;
     let v6 = 0;
+    const seen = new Set();
     for (const { entries } of days) {
         for (const { ip } of entries) {
+            if (uniqueIPs && seen.has(ip)) continue;
+            seen.add(ip);
             if (isIPv6(ip)) v6 += 1;
             else v4 += 1;
         }
diff --git a/tests/ip-history.test.js b/tests/ip-history.test.js
index cc5f8fb1..e0fd50d3 100644
--- a/tests/ip-history.test.js
+++ b/tests/ip-history.test.js
@@ -1,6 +1,6 @@
 // Tests for the pure IP-history helpers behind the local (browser-only)
 // IP detection history: parsing/sanitizing the localStorage payload, per-day
-// merge with field back-fill, retention pruning, and render-order sorting.
+// merge with field back-fill, retention pruning, aggregation, facets and filtering.
 
 import assert from 'node:assert/strict';
 import { describe, it } from 'node:test';
@@ -14,6 +14,7 @@ import {
     mergeIntoHistory,
     pruneHistory,
     sortedHistoryDays,
+    groupHistoryByIP,
     countryFacets,
     distinctCountryCount,
     ipVersionCounts,
@@ -187,6 +188,108 @@ describe('sortedHistoryDays', () => {
     });
 });
 
+describe('groupHistoryByIP', () => {
+    it('collapses 90 days of one stable IP to one summary without modifying records', () => {
+        const days = Array.from({ length: 90 }, (_, i) => ({
+            day: localDayKey(new Date(2026, 6, 1 + i)),
+            entries: [entry('192.0.2.1')],
+        }));
+        const before = structuredClone(days);
+        const result = groupHistoryByIP(days);
+        assert.equal(result.length, 1);
+        assert.equal(result[0].dayCount, 90);
+        assert.equal(result[0].firstSeen, days[0].day);
+        assert.equal(result[0].lastSeen, days[89].day);
+        assert.deepEqual(result[0].dates, days.map(({ day }) => day).reverse());
+        assert.deepEqual(days, before);
+    });
+
+    it('counts distinct observed dates, not duplicates or unobserved days in the span', () => {
+        const days = [
+            { day: '2026-07-01', entries: [entry('192.0.2.1'), entry('192.0.2.1')] },
+            { day: '2026-07-09', entries: [entry('192.0.2.1')] },
+        ];
+        assert.deepEqual(groupHistoryByIP(days)[0], {
+            ...entry('192.0.2.1'),
+            dates: ['2026-07-09', '2026-07-01'],
+            firstSeen: '2026-07-01', lastSeen: '2026-07-09', dayCount: 2,
+        });
+    });
+
+    it('sorts by last seen descending with a stable IP tie-breaker, regardless of input order', () => {
+        const days = [
+            { day: '2026-07-01', entries: [entry('192.0.2.1')] },
+            { day: '2026-07-09', entries: [entry('2001:db8::1'), entry('192.0.2.2')] },
+        ];
+        assert.deepEqual(groupHistoryByIP(days).map(({ ip }) => ip), [
+            '192.0.2.2', '2001:db8::1', '192.0.2.1',
+        ]);
+        assert.deepEqual(groupHistoryByIP([...days].reverse()), groupHistoryByIP(days));
+    });
+
+    it('uses the latest matching snapshot without borrowing older geographic details', () => {
+        const days = [
+            { day: '2026-07-01', entries: [entry('192.0.2.1', { country: 'US', location: 'New York', asn: 'AS1' })] },
+            { day: '2026-07-09', entries: [entry('192.0.2.1', { country: 'SG', asn: 'AS2' })] },
+        ];
+        const [summary] = groupHistoryByIP(days);
+        assert.equal(summary.country, 'SG');
+        assert.equal(summary.location, '');
+        assert.equal(summary.asn, 'AS2');
+        const [historical] = groupHistoryByIP(filterHistoryDays(days, { countries: ['US'] }));
+        assert.equal(historical.country, 'US');
+        assert.equal(historical.location, 'New York');
+        assert.equal(historical.lastSeen, '2026-07-01');
+        assert.equal(historical.dayCount, 1);
+    });
+
+    it('derives first seen and counts from retained records only', () => {
+        const history = { version: 1, days: {
+            '2026-07-01': [entry('192.0.2.1')],
+            '2026-07-09': [entry('192.0.2.1')],
+        } };
+        const retained = pruneHistory(history, '2026-07-09', 1).history;
+        const [summary] = groupHistoryByIP(sortedHistoryDays(retained));
+        assert.equal(summary.firstSeen, '2026-07-09');
+        assert.equal(summary.lastSeen, '2026-07-09');
+        assert.equal(summary.dayCount, 1);
+        assert.deepEqual(groupHistoryByIP([]), []);
+    });
+});
+
+describe('unique IP facets', () => {
+    const days = [
+        { day: '2026-07-09', entries: [entry('192.0.2.1', { country: 'SG' }), entry('2001:db8::1')] },
+        { day: '2026-07-08', entries: [entry('192.0.2.1', { country: 'SG' }), entry('2001:db8::1')] },
+        { day: '2026-07-01', entries: [entry('192.0.2.1', { country: 'US' })] },
+    ];
+
+    it('counts one IP per country while retaining every historical country', () => {
+        const facets = countryFacets(days, { uniqueIPs: true });
+        assert.deepEqual(facets, [
+            { code: '', count: 1 }, { code: 'SG', count: 1 }, { code: 'US', count: 1 },
+        ]);
+        for (const facet of facets) {
+            assert.equal(groupHistoryByIP(filterHistoryDays(days, { countries: [facet.code] })).length, facet.count);
+        }
+        assert.equal(countryFacets(days).find(({ code }) => code === 'SG').count, 2);
+        assert.deepEqual(countryFacets([], { uniqueIPs: true }), []);
+    });
+
+    it('deduplicates IP versions across days, with the original daily counts still available', () => {
+        assert.deepEqual(ipVersionCounts(days, { uniqueIPs: true }), { v4: 1, v6: 1 });
+        assert.deepEqual(ipVersionCounts(days), { v4: 3, v6: 2 });
+        assert.deepEqual(ipVersionCounts([], { uniqueIPs: true }), { v4: 0, v6: 0 });
+    });
+
+    it('combines country selections without counting a shared IP twice', () => {
+        const filtered = filterHistoryDays(days, { countries: ['SG', 'US'], versions: [4] });
+        const summaries = groupHistoryByIP(filtered);
+        assert.equal(summaries.length, 1);
+        assert.equal(summaries[0].dayCount, 3);
+    });
+});
+
 // Two-day history spanning US / SG / no-country entries and both IP versions,
 // used by the filter suites below. Day 07-08: three v4 + one v6 (US);
 // day 07-07: one v4 (US).