Autonomous System
AS273663 — AS273663 - NT FIBRA(BR)
Last fetched
AS273663 is an Autonomous System operated by AS273663 - NT FIBRA and registered in BR. As of Sun, 06 Sep 2026 18:11:03 GMT, it announces 3 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS273663 announces 3 distinct routed prefixes. The 3-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
4 distinct peers via BGP. The first 4 are listed below.
Blast radius
Count of dependent hostnames if AS273663 disappeared from the routing table.
14 hostnames depend on this network.Exact count across all 8 announced prefixes. Snapshot Fri, 24 Jul 2026 12:00:59 GMT.
MOAS / hijack watch
Prefixes routed by AS273663 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 AS273663 is unique to AS273663 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS273663.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS273663"})-[: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.