Autonomous System

AS203545 — NERZEN-BILISIM-TEKNOLOJILERI(TR)

Last fetched Thu, 21 May 2026 01:06:25 GMT

AS203545 is an Autonomous System operated by NERZEN-BILISIM-TEKNOLOJILERI and registered in TR. As of Thu, 21 May 2026 01:06:25 GMT, it announces 7 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS203545 announces 7 distinct routed prefixes. The 7-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
AS212219	HOSTINGDUNYAM HOSTING DUNYAM	TR

Blast radius

Approximate count of dependent hostnames if AS203545 disappeared from the routing table.

~561 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 01:06:25 GMT.

MOAS / hijack watch

Prefixes routed by AS203545 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 AS203545 is unique to AS203545 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS203545.

Cypher and MCP

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

MATCH (a:ASN {name: "AS203545"})-[: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.