Autonomous System

AS263281 — Massa Telecomunicacoes Ltda(BR)

Last fetched Wed, 20 May 2026 21:52:10 GMT

AS263281 is an Autonomous System operated by Massa Telecomunicacoes Ltda and registered in BR. As of Wed, 20 May 2026 21:52:10 GMT, it announces 10 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS263281 announces 10 distinct routed prefixes. The 10-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

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

Peer ASN	Operator	Country
AS262847	DTEL TELECOM	BR

Blast radius

Approximate count of dependent hostnames if AS263281 disappeared from the routing table.

~2 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 21:52:10 GMT.

MOAS / hijack watch

Prefixes routed by AS263281 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 AS263281 is unique to AS263281 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS263281.

Cypher and MCP

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

MATCH (a:ASN {name: "AS263281"})-[: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.