Autonomous System

AS21308 — ITMUA-AS - Synapse Ukraine LLC(UA)

Last fetched Sun, 06 Sep 2026 16:08:25 GMT

AS21308 is an Autonomous System operated by ITMUA-AS - Synapse Ukraine LLC and registered in UA. As of Sun, 06 Sep 2026 16:08:25 GMT, it announces 3 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS21308 announces 3 distinct routed prefixes. The 3-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
AS29107	SYNAPSE-AS - Synapse Network LTD	GB

Blast radius

Count of dependent hostnames if AS21308 disappeared from the routing table.

2 hostnames depend on this network.Exact count across all 3 announced prefixes. Snapshot Mon, 06 Jul 2026 15:00:51 GMT.

MOAS / hijack watch

Prefixes routed by AS21308 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 AS21308 is unique to AS21308 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS21308.

Cypher and MCP

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

MATCH (a:ASN {name: "AS21308"})-[: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.