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fix limit on neighbours

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MrUnknownDE
2026-03-05 21:00:24 +01:00
parent 8bcc6270ca
commit 636cd9a1e4
2 changed files with 22 additions and 14 deletions
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backend/routes/asnLookup.js
+13 -10
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@@ -202,17 +202,20 @@ router.get('/', async (req, res, next) => {
if (neighboursResult.status === 'rejected') logger.warn({ asn, error: neighboursResult.reason?.message }, 'Neighbours fetch failed, continuing with partial data');
if (prefixesResult.status === 'rejected') logger.warn({ asn, error: prefixesResult.reason?.message }, 'Prefixes fetch failed, continuing with partial data');
// Split neighbours
const upstreams = neighbours.filter(n => n.type === 'left').sort((a, b) => b.power - a.power).slice(0, 10);
const downstreams = neighbours.filter(n => n.type === 'right').sort((a, b) => b.power - a.power).slice(0, 10);
// Split neighbours (keep ALL of them, sorted by power)
const allUpstreams = neighbours.filter(n => n.type === 'left').sort((a, b) => b.power - a.power);
const allDownstreams = neighbours.filter(n => n.type === 'right').sort((a, b) => b.power - a.power);
// Resolve names for ALL Level 2 nodes (both upstreams and downstreams)
const level2Asns = [...new Set([...upstreams, ...downstreams].map(n => n.asn))];
const level2Names = await resolveNames(level2Asns);
// Resolve names for only the Top 25 of each, to prevent hammering the RIPE API (rate limits)
const topLevel2Asns = [...new Set([
...allUpstreams.slice(0, 25),
...allDownstreams.slice(0, 25)
].map(n => n.asn))];
const level2Names = await resolveNames(topLevel2Asns);
// Level 3: fetch upstreams-of-upstreams for top 5 Level 2 upstreams
const level3Raw = await Promise.allSettled(
upstreams.slice(0, 5).map(async (upstreamNode) => {
allUpstreams.slice(0, 5).map(async (upstreamNode) => {
const theirNeighbours = await fetchNeighbours(upstreamNode.asn);
const theirUpstreams = theirNeighbours
.filter(n => n.type === 'left')
@@ -234,8 +237,8 @@ router.get('/', async (req, res, next) => {
const graph = {
center: { asn, name: overview.name },
level2: {
upstreams: upstreams.map(n => ({ asn: n.asn, name: level2Names[n.asn] || null, power: n.power, v4: n.v4_peers, v6: n.v6_peers })),
downstreams: downstreams.map(n => ({ asn: n.asn, name: level2Names[n.asn] || null, power: n.power, v4: n.v4_peers, v6: n.v6_peers })),
upstreams: allUpstreams.map(n => ({ asn: n.asn, name: level2Names[n.asn] || null, power: n.power, v4: n.v4_peers, v6: n.v6_peers })),
downstreams: allDownstreams.map(n => ({ asn: n.asn, name: level2Names[n.asn] || null, power: n.power, v4: n.v4_peers, v6: n.v6_peers })),
},
level3: level3Data.map(d => ({
parentAsn: d.parentAsn,
@@ -254,7 +257,7 @@ router.get('/', async (req, res, next) => {
name: overview.name,
announced: overview.announced,
type: overview.type,
prefixes: prefixes.slice(0, 100),
prefixes: prefixes, // Export all prefixes without limit
peeringdb,
graph,
});