Autonomous System

AS201728 — REANTACLOUD-AS(AT)

Last fetched Wed, 20 May 2026 21:53:21 GMT

AS201728 is an Autonomous System operated by REANTACLOUD-AS and registered in AT. As of Wed, 20 May 2026 21:53:21 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS201728 announces 1 distinct routed prefix. The 1-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

80.251.128.0/20

Peering ecosystem

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

Peer ASN	Operator	Country
AS8447	A1TELEKOM-AT A1 Telekom Austria AG	AT

Blast radius

Approximate count of dependent hostnames if AS201728 disappeared from the routing table.

~246 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 21:53:21 GMT.

MOAS / hijack watch

Prefixes routed by AS201728 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 AS201728 is unique to AS201728 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS201728.

Cypher and MCP

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

MATCH (a:ASN {name: "AS201728"})-[: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.