Autonomous System
AS21990 — LIBERTYSECURITY-1 - Liberty Security Services LLC(US)
Last fetched
AS21990 is an Autonomous System operated by LIBERTYSECURITY-1 - Liberty Security Services LLC and registered in US. As of Thu, 21 May 2026 19:54:19 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS21990 announces 1 distinct routed prefix. The 1-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
1 distinct peers via BGP. The first 1 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS701 | UUNET - Verizon Business | US |
Blast radius
Approximate count of dependent hostnames if AS21990 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 AS21990 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 AS21990 is unique to AS21990 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS21990.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS21990"})-[: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.