Autonomous System

AS21058 — ASN-NETWORKSISTEMI(IT)

Last fetched Thu, 21 May 2026 11:02:27 GMT

AS21058 is an Autonomous System operated by ASN-NETWORKSISTEMI and registered in IT. As of Thu, 21 May 2026 11:02:27 GMT, it announces 15 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS21058 announces 15 distinct routed prefixes. The 15-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
AS199324	DODONET DODONET S.R.L. - dodonet network	IT

Blast radius

Approximate count of dependent hostnames if AS21058 disappeared from the routing table.

~686 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 11:02:27 GMT.

MOAS / hijack watch

Prefixes routed by AS21058 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 AS21058 is unique to AS21058 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS21058.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS21058"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.