Autonomous System
AS21430 — WIA-AS - WIA spol. s.r.o.(CZ)
Last fetched
AS21430 is an Autonomous System operated by WIA-AS - WIA spol. s.r.o. and registered in CZ. As of Sun, 06 Sep 2026 16:19:32 GMT, it announces 70 routed IP prefixes and peers with 18 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS21430 announces 70 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 31.7.240.0/21
- 77.78.64.0/22
- 77.78.68.0/23
- 77.78.74.0/23
- 77.78.80.0/21
- 77.78.88.0/23
- 77.78.91.0/24
- 77.78.92.0/23
- 77.78.122.0/24
- 80.250.0.0/19
- 81.0.196.0/23
- 81.0.198.0/24
- 81.0.200.0/22
- 81.0.204.0/23
- 81.0.210.0/23
- 81.0.215.0/24
- 81.0.216.0/24
- 81.0.222.0/23
- 81.0.224.0/24
- 81.0.227.0/24
- 81.0.229.0/24
- 81.0.244.0/23
- 81.0.251.0/24
- 81.0.252.0/23
- 82.208.0.0/22
Peering ecosystem
18 distinct peers via BGP. The first 18 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS12608 | IGLG-7F5-DATA - IGLG Network CZ s.r.o. | CZ |
| AS1299 | TWELVE99 - Arelion Sweden AB | SE |
| AS15614 | Dragon - Dragon Internet a.s. | CZ |
| AS15935 | HA-VEL-LOCAL-AS - ha-vel internet s.r.o. | CZ |
| AS1764 | NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | AT |
| AS203376 | MAILKIT - Mailkit s.r.o. | CZ |
| AS204183 | Omnivery-EU - Omnivery s.r.o. | CZ |
| AS209369 | TCPRO - The Cloud Provider s.r.o. | CZ |
| AS29504 | LBCFREE - Freenet Liberec, z.s. | CZ |
| AS3257 | GTT-BACKBONE - GTT Communications Inc. | US |
| AS33943 | CBEZDRAT-AS - Eri Internet s.r.o. | CZ |
| AS3491 | PCCWG-APAC-HK - PCCW Global (HK) Ltd. | HK |
| AS39392 | SuperNetwork - SuperNetwork | CZ |
| AS39761 | ABAK - ABAK, Co.Ltd. | CZ |
| AS42189 | EUROSIGNAL-AS - Druzstvo EUROSIGNAL | CZ |
| AS48451 | PRE-AS - Prazska energetika, a.s. | CZ |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS8218 | NEO-ASN - Zayo Infrastructure France SA | FR |
Blast radius
Count of dependent hostnames if AS21430 disappeared from the routing table.
7,350 hostnames depend on this network.Exact count across all 71 announced prefixes. Snapshot Wed, 08 Jul 2026 05:01:03 GMT.
MOAS / hijack watch
Prefixes routed by AS21430 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 AS21430 is unique to AS21430 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS21430.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS21430"})-[: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.