Autonomous System
AS17166 — TRAVELERSPCAS - Travelers Property Casualty Corp.(US)
Last fetched
AS17166 is an Autonomous System operated by TRAVELERSPCAS - Travelers Property Casualty Corp. and registered in US. As of Mon, 31 Aug 2026 18:17:33 GMT, it announces 30 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS17166 announces 30 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 12.163.16.0/21
- 71.4.224.0/24
- 170.202.0.0/17
- 170.202.160.0/22
- 170.202.164.0/22
- 170.202.168.0/24
- 170.202.172.0/23
- 170.202.174.0/24
- 170.202.176.0/24
- 170.202.128.0/17
- 170.202.202.0/24
- 170.202.215.0/24
- 170.202.216.0/24
- 170.202.217.0/24
- 170.202.218.0/24
- 170.202.219.0/24
- 170.202.222.0/24
- 170.202.224.0/22
- 170.202.228.0/22
- 170.202.233.0/24
- 170.202.235.0/24
- 170.202.236.0/23
- 170.202.238.0/23
- 170.202.240.0/24
- 170.202.241.0/24
Peering ecosystem
2 distinct peers via BGP. The first 2 are listed below.
Blast radius
Count of dependent hostnames if AS17166 disappeared from the routing table.
532 hostnames depend on this network.Exact count across all 30 announced prefixes. Snapshot Tue, 09 Jun 2026 15:00:31 GMT.
MOAS / hijack watch
Prefixes routed by AS17166 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 AS17166 is unique to AS17166 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS17166.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS17166"})-[: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.