Autonomous System
AS51265 — MASSRESPONSE-AS Mass Response Service GmbH(AT)
Last fetched
AS51265 is an Autonomous System operated by MASSRESPONSE-AS Mass Response Service GmbH and registered in AT. As of Thu, 21 May 2026 15:06:59 GMT, it announces 17 routed IP prefixes and peers with 10 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS51265 announces 17 distinct routed prefixes. The 17-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
10 distinct peers via BGP. The first 10 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS1764 | NEXTLAYER-AS | AT |
| AS48362 | TKSWF-AS | AT |
| AS37721 | Virtual-Technologies-Solutions-SA | BF |
| AS34549 | MEER-AS meerfarbig GmbH & Co. KG | DE |
| AS33992 | MASSRESPONSE-AS2 | AT |
| AS31500 | GNM-AS | AG |
| AS20764 | RASCOM-AS CJSC RASCOM ISP | RU |
| AS13335 | CLOUDFLARENET - Cloudflare, Inc. | US |
| AS9002 | RETN-AS | GB |
| AS8220 | COLT COLT Technology Services Group Limited | GB |
Blast radius
Approximate count of dependent hostnames if AS51265 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 AS51265 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 AS51265 is unique to AS51265 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS51265.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS51265"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.