Autonomous System
AS23028 — TEAM-CYMRU - Team Cymru Inc.(US)
Last fetched
AS23028 is an Autonomous System operated by TEAM-CYMRU - Team Cymru Inc. and registered in US. As of Fri, 04 Sep 2026 20:42:00 GMT, it announces 43 routed IP prefixes and peers with 5 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS23028 announces 43 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 38.229.33.0/24
- 38.229.252.0/24
- 68.22.187.0/24
- 192.138.226.0/24
- 203.28.18.0/24
- 204.74.64.0/24
- 216.31.0.0/24
- 216.31.1.0/24
- 216.31.2.0/24
- 216.31.3.0/24
- 216.31.4.0/24
- 216.31.6.0/24
- 216.31.7.0/24
- 216.31.8.0/24
- 216.31.9.0/24
- 216.31.12.0/24
- 216.31.13.0/24
- 216.31.14.0/24
- 216.31.15.0/24
- 216.31.17.0/24
- 216.31.18.0/24
- 216.31.20.0/24
- 216.31.0.0/18
- 216.31.36.0/24
- 216.31.37.0/24
Peering ecosystem
5 distinct peers via BGP. The first 5 are listed below.
Blast radius
Count of dependent hostnames if AS23028 disappeared from the routing table.
550 hostnames depend on this network.Exact count across all 44 announced prefixes. Snapshot Sat, 11 Jul 2026 13:01:21 GMT.
MOAS / hijack watch
Prefixes routed by AS23028 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 AS23028 is unique to AS23028 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS23028.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS23028"})-[: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.