Autonomous System
AS37738 — HOSTOWEB(MA)
Last fetched
AS37738 is an Autonomous System operated by HOSTOWEB and registered in MA. As of Thu, 21 May 2026 10:38:21 GMT, it announces 18 routed IP prefixes and peers with 6 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS37738 announces 18 distinct routed prefixes. The 18-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
6 distinct peers via BGP. The first 6 are listed below.
Blast radius
Approximate count of dependent hostnames if AS37738 disappeared from the routing table.
~535 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 10:38:21 GMT.
MOAS / hijack watch
Prefixes routed by AS37738 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 AS37738 is unique to AS37738 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS37738.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS37738"})-[: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.