Autonomous System
AS6307 — AMERICAN-EXPRESS - American Express Company(US)
Last fetched
AS6307 is an Autonomous System operated by AMERICAN-EXPRESS - American Express Company and registered in US. As of Sun, 06 Sep 2026 12:48:00 GMT, it announces 119 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS6307 announces 119 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 12.10.219.0/24
- 12.29.100.0/24
- 12.29.101.0/24
- 12.29.102.0/24
- 12.105.185.0/24
- 139.71.0.0/24
- 139.71.1.0/24
- 139.71.2.0/24
- 139.71.3.0/24
- 139.71.5.0/24
- 139.71.6.0/23
- 139.71.8.0/24
- 139.71.9.0/24
- 139.71.10.0/24
- 139.71.11.0/24
- 139.71.16.0/24
- 139.71.17.0/24
- 139.71.18.0/24
- 139.71.19.0/24
- 139.71.20.0/24
- 139.71.21.0/24
- 139.71.22.0/24
- 139.71.23.0/24
- 139.71.24.0/24
- 139.71.25.0/24
Peering ecosystem
3 distinct peers via BGP. The first 3 are listed below.
Blast radius
Count of dependent hostnames if AS6307 disappeared from the routing table.
Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.
MOAS / hijack watch
Prefixes routed by AS6307 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 AS6307 is unique to AS6307 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS6307.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS6307"})-[: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.