Autonomous System
AS27370 — CITYOFBOSTON - City of Boston(US)
Last fetched
AS27370 is an Autonomous System operated by CITYOFBOSTON - City of Boston and registered in US. As of Sun, 06 Sep 2026 16:16:27 GMT, it announces 14 routed IP prefixes and peers with 3 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS27370 announces 14 distinct routed prefixes. The 14-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
3 distinct peers via BGP. The first 3 are listed below.
Blast radius
Count of dependent hostnames if AS27370 disappeared from the routing table.
114 hostnames depend on this network.Exact count across all 14 announced prefixes. Snapshot Fri, 24 Jul 2026 13:00:42 GMT.
MOAS / hijack watch
Prefixes routed by AS27370 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 AS27370 is unique to AS27370 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS27370.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS27370"})-[: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.