Autonomous System

AS39543 — TENNET-AS - Tennet Telecom SRL(RO)

Last fetched Sun, 06 Sep 2026 13:22:50 GMT

AS39543 is an Autonomous System operated by TENNET-AS - Tennet Telecom SRL and registered in RO. As of Sun, 06 Sep 2026 13:22:50 GMT, it announces 31 routed IP prefixes and peers with 9 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS39543 announces 31 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

9 distinct peers via BGP. The first 9 are listed below.

Peer ASN	Operator	Country
AS20764	RASCOM-AS - CJSC RASCOM	RU
AS214265	Yako-AS - Yako Telecom SRL	RO
AS30890	TENNET - Tennet Telecom SRL	RO
AS41494	ASOCIATIA-INTERLAN - Asociatia Interlan	RO
AS41537	C-SOLUTION-AS - SC C Solution SRL	RO
AS41984	MCC-AS - Confort L&CC SRL	RO
AS60604	PRIMARIA-CALARASI-AS - Primaria Municipiului Calarasi	RO
AS6204	ZET-NET - INTERKVM HOST SRL	RO
AS8708	DIGI-RO - DIGI ROMANIA S.A.	RO

Blast radius

Count of dependent hostnames if AS39543 disappeared from the routing table.

Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.

MOAS / hijack watch

Prefixes routed by AS39543 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 AS39543 is unique to AS39543 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS39543.

Cypher and MCP

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

MATCH (a:ASN {name: "AS39543"})-[: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.