Autonomous System

AS28837 — A1TA-GRX-(HR)

Last fetched Wed, 20 May 2026 23:29:51 GMT

AS28837 is an Autonomous System operated by A1TA-GRX- and registered in HR. As of Wed, 20 May 2026 23:29:51 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS28837 announces 1 distinct routed prefix. The 1-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

81.7.115.0/24

Peering ecosystem

1 distinct peers via BGP. The first 1 are listed below.

Peer ASN	Operator	Country
AS203964	ALEX ALEX	HR

Blast radius

Approximate count of dependent hostnames if AS28837 disappeared from the routing table.

~135 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 23:29:51 GMT.

MOAS / hijack watch

Prefixes routed by AS28837 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 AS28837 is unique to AS28837 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS28837.

Cypher and MCP

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

MATCH (a:ASN {name: "AS28837"})-[: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.