diff --git a/packages/backend/src/server/api/endpoints/federation/instances.ts b/packages/backend/src/server/api/endpoints/federation/instances.ts
index 617ca65733..053da421d6 100644
--- a/packages/backend/src/server/api/endpoints/federation/instances.ts
+++ b/packages/backend/src/server/api/endpoints/federation/instances.ts
@@ -41,6 +41,7 @@ export const paramDef = {
 		subscribing: { type: 'boolean', nullable: true },
 		publishing: { type: 'boolean', nullable: true },
 		nsfw: { type: 'boolean', nullable: true },
+		bubble: { type: 'boolean', nullable: true },
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 30 },
 		offset: { type: 'integer', default: 0 },
 		sort: {
@@ -148,6 +149,23 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				}
 			}
 
+			if (typeof ps.bubble === 'boolean') {
+				const meta = await this.metaService.fetch(true);
+
+				if (ps.bubble) {
+					if (meta.bubbleInstances.length === 0) {
+						return [];
+					}
+					query.andWhere('instance.host IN (:...bubble)', {
+						silences: meta.bubbleInstances,
+					});
+				} else if (meta.bubbleInstances.length > 0) {
+					query.andWhere('instance.host NOT IN (:...bubble)', {
+						bubble: meta.bubbleInstances,
+					});
+				}
+			}
+
 			if (typeof ps.federating === 'boolean') {
 				if (ps.federating) {
 					query.andWhere('((instance.followingCount > 0) OR (instance.followersCount > 0))');
diff --git a/packages/frontend/src/pages/about.federation.vue b/packages/frontend/src/pages/about.federation.vue
index 0de000ee3e..32942f4135 100644
--- a/packages/frontend/src/pages/about.federation.vue
+++ b/packages/frontend/src/pages/about.federation.vue
@@ -17,6 +17,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<option value="federating">{{ i18n.ts.federating }}</option>
 				<option value="subscribing">{{ i18n.ts.subscribing }}</option>
 				<option value="publishing">{{ i18n.ts.publishing }}</option>
+				<option value="bubble">Bubble</option>
 				<option value="nsfw">NSFW</option>
 				<option value="suspended">{{ i18n.ts.suspended }}</option>
 				<option value="silenced">{{ i18n.ts.silence }}</option>
@@ -80,6 +81,7 @@ const pagination = {
 			state.value === 'silenced' ? { silenced: true } :
 			state.value === 'notResponding' ? { notResponding: true } :
 			state.value === 'nsfw' ? { nsfw: true } :
+			state.value === 'bubble' ? { nsfw: true } :
 			{}),
 	})),
 } as Paging;