Autonomous System
AS17161 — MMC - Marsh Inc.(US)
Last fetched
AS17161 is an Autonomous System operated by MMC - Marsh Inc. and registered in US. As of Fri, 04 Sep 2026 00:52:41 GMT, it announces 26 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS17161 announces 26 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 167.245.3.0/24
- 167.245.8.0/22
- 167.245.12.0/22
- 167.245.16.0/22
- 167.245.20.0/22
- 167.245.24.0/22
- 167.245.28.0/22
- 167.245.32.0/22
- 167.245.36.0/22
- 167.245.40.0/22
- 167.245.100.0/23
- 167.245.104.0/22
- 167.245.108.0/23
- 167.245.159.0/24
- 167.245.160.0/19
- 205.156.72.0/24
- 205.156.84.0/24
- 205.156.128.0/22
- 205.156.132.0/23
- 205.156.134.0/24
- 205.156.135.0/24
- 205.156.136.0/21
- 205.156.144.0/21
- 205.156.152.0/22
- 205.156.160.0/23
Peering ecosystem
4 distinct peers via BGP. The first 4 are listed below.
Blast radius
Count of dependent hostnames if AS17161 disappeared from the routing table.
3,842 hostnames depend on this network.Exact count across all 40 announced prefixes. Snapshot Tue, 09 Jun 2026 14:00:39 GMT.
MOAS / hijack watch
Prefixes routed by AS17161 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 AS17161 is unique to AS17161 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS17161.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS17161"})-[: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.