Autonomous System
AS4004 — COGENT-4000 - Cogent Communications, LLC(US)
Last fetched
AS4004 is an Autonomous System operated by COGENT-4000 - Cogent Communications, LLC and registered in US. As of Thu, 21 May 2026 00:59:15 GMT, it announces 0 routed IP prefixes and peers with 6 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS4004 announces 0 distinct routed prefixes. The 0-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
AS4004 does not announce any prefixes in the current snapshot.
Peering ecosystem
6 distinct peers via BGP. The first 6 are listed below.
Blast radius
Approximate count of dependent hostnames if AS4004 disappeared from the routing table.
No dependent hostnames recorded for this network.Snapshot Thu, 21 May 2026 00:59:15 GMT.
MOAS / hijack watch
Prefixes routed by AS4004 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS4004 is unique to AS4004 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS4004.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS4004"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.