Autonomous System

AS1903 — GTSCZ-TRANSIT GTS Czech Republic Transit AS

Last fetched Wed, 20 May 2026 23:33:07 GMT

AS1903 is an Autonomous System operated by GTSCZ-TRANSIT GTS Czech Republic Transit AS. As of Wed, 20 May 2026 23:33:07 GMT, it announces 0 routed IP prefixes and peers with 0 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS1903 announces 0 distinct routed prefixes. The 0-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

AS1903 does not announce any prefixes in the current snapshot.

Peering ecosystem

0 distinct peers via BGP. The first 0 are listed below.

AS1903 has no observed peering relationships in the current snapshot.

Blast radius

Approximate count of dependent hostnames if AS1903 disappeared from the routing table.

No dependent hostnames recorded for this network.Snapshot Wed, 20 May 2026 23:33:07 GMT.

MOAS / hijack watch

Prefixes routed by AS1903 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 AS1903 is unique to AS1903 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS1903.

Cypher and MCP

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

MATCH (a:ASN {name: "AS1903"})-[: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.