diff --git a/frontend/src/lib/api/api.js b/frontend/src/lib/api/api.js
index 75e4c165..f2d5010a 100644
--- a/frontend/src/lib/api/api.js
+++ b/frontend/src/lib/api/api.js
@@ -3340,6 +3340,16 @@ export class API {
 			);
 		},
 
+		/**
+		 * Look up the autonomous systems that announce the given IP address.
+		 *
+		 * @param {string} ip
+		 * @returns {Promise<ApiResponse>}
+		 */
+		lookupASN: async (ip) => {
+			return await getJSON(this.getPath(`/ipdata/asn/lookup?ip=${encodeURIComponent(ip)}`));
+		},
+
 		/**
 		 * Resolve configured ASN numbers to their details. ASNs absent from the
 		 * dataset are left out of the result so the UI can flag them.
diff --git a/frontend/src/routes/tools/panels/ASN.svelte b/frontend/src/routes/tools/panels/ASN.svelte
index 0db643f8..3eeb7e41 100644
--- a/frontend/src/routes/tools/panels/ASN.svelte
+++ b/frontend/src/routes/tools/panels/ASN.svelte
@@ -1,5 +1,6 @@
 <script>
 	import { onMount } from 'svelte';
+	import { api } from '$lib/api/apiProxy.js';
 	import TextField from '$lib/components/TextField.svelte';
 	import FormError from '$lib/components/FormError.svelte';
 	import Button from '$lib/components/Button.svelte';
@@ -14,15 +15,11 @@
 	let searchTimer = null;
 
 	onMount(async () => {
-		try {
-			const res = await fetch('/api/v1/geoip/metadata', { credentials: 'include' });
-			if (res.ok) {
-				const data = await res.json();
-				asnAvailable = !!data.data?.asn_available;
-			}
-		} catch (_) {
-			// leave asnAvailable true, a failed lookup will surface the reason
+		const res = await api.geoip.getMetadata();
+		if (res.success && res.data) {
+			asnAvailable = !!res.data.asn_available;
 		}
+		// on failure leave asnAvailable true, a failed lookup will surface the reason
 	});
 
 	const isIP = (s) => {
@@ -34,25 +31,22 @@
 		isSubmitting = true;
 		lookupError = '';
 		try {
-			let url;
+			let res;
 			if (isIP(q)) {
 				mode = 'ip';
-				url = `/api/v1/ipdata/asn/lookup?ip=${encodeURIComponent(q)}`;
+				res = await api.ipdata.lookupASN(q);
 			} else {
 				mode = 'search';
-				url = `/api/v1/ipdata/asn/search?q=${encodeURIComponent(q)}&limit=50`;
+				res = await api.ipdata.searchASN(q, 50);
 			}
-			const response = await fetch(url, { method: 'GET', credentials: 'include' });
-			if (!response.ok) {
-				const errorData = await response.json();
-				lookupError = errorData.message || 'failed to look up ASN';
+			if (!res.success) {
+				lookupError = res.error || 'failed to look up ASN';
 				return;
 			}
-			const data = await response.json();
-			if (mode === 'ip' && data.data && data.data.available === false) {
+			if (mode === 'ip' && res.data && res.data.available === false) {
 				asnAvailable = false;
 			}
-			results = data.data?.results || [];
+			results = res.data?.results || [];
 		} catch (error) {
 			lookupError = 'an error occurred while looking up the ASN';
 			console.error('asn lookup error:', error);