Autonomous System
AS15840 — ATT-INF001-A11 AT&T-GNS-AS15840 dr6348(NL)
Last fetched
AS15840 is an Autonomous System operated by ATT-INF001-A11 AT&T-GNS-AS15840 dr6348 and registered in NL. As of Thu, 21 May 2026 11:08:44 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS15840 announces 1 distinct routed prefix. The 1-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
1 distinct peers via BGP. The first 1 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS2686 | ATGS-MMD-AS - AT&T Enterprises, LLC | US |
Blast radius
Approximate count of dependent hostnames if AS15840 disappeared from the routing table.
No dependent hostnames recorded for this network.Snapshot Thu, 21 May 2026 11:08:44 GMT.
MOAS / hijack watch
Prefixes routed by AS15840 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 AS15840 is unique to AS15840 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS15840.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS15840"})-[: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.