Autonomous System
AS20340 — CALLTOWER - CallTower, Inc.(US)
Last fetched
AS20340 is an Autonomous System operated by CALLTOWER - CallTower, Inc. and registered in US. As of Fri, 22 May 2026 15:47:05 GMT, it announces 20 routed IP prefixes and peers with 11 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS20340 announces 20 distinct routed prefixes. The 20-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
11 distinct peers via BGP. The first 11 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC | US |
| AS46168 | SRSU - Sul Ross State University | US |
| AS34549 | ZFM-AS | DE |
| AS19855 | MASERGY - Masergy Communications, Inc. | US |
| AS16260 | GTT-AUS | GB |
| AS13768 | COGECO-PEER1 - Aptum Technologies | CA |
| AS8220 | COLT COLT Technology Services Group Limited | GB |
| AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC | US |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS3257 | GTT-BACKBONE GTT | US |
Blast radius
Count of dependent hostnames if AS20340 disappeared from the routing table.
Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.
MOAS / hijack watch
Prefixes routed by AS20340 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 AS20340 is unique to AS20340 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS20340.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS20340"})-[: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.