Autonomous System
AS263443 — AS263443 - L R DA FONSECA ME(BR)
Last fetched
AS263443 is an Autonomous System operated by AS263443 - L R DA FONSECA ME and registered in BR. As of Sun, 06 Sep 2026 18:00:01 GMT, it announces 5 routed IP prefixes and peers with 7 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS263443 announces 5 distinct routed prefixes. The 5-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
7 distinct peers via BGP. The first 7 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS262872 | AS262872 - DIGICONTROL SERVICOS DE PROVEDORES LTDA | BR |
| AS269162 | AS269162 - RCS NET PROVEDOR DE INTERNET | BR |
| AS271433 | AS271433 - MAIA E DUTRA LTDA | BR |
| AS271491 | AS271491 - VYK TECH EIRELI | BR |
| AS28220 | AS28220 - Alares Cabo Servicos de Telecomunicacoes S.A. | BR |
| AS35280 | F5 - F5 Networks SARL | FR |
| AS37721 | Virtual Technologies & Solutions - Virtual Technologies & Solutions | BF |
Blast radius
Count of dependent hostnames if AS263443 disappeared from the routing table.
3 hostnames depend on this network.Exact count across all 5 announced prefixes. Snapshot Thu, 16 Jul 2026 18:01:01 GMT.
MOAS / hijack watch
Prefixes routed by AS263443 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 AS263443 is unique to AS263443 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS263443.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS263443"})-[: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.