Autonomous System
AS28580 — AZEVEDO E FLORIANI TELECOMUNICACOES LTDA.(BR)
Last fetched
AS28580 is an Autonomous System operated by AZEVEDO E FLORIANI TELECOMUNICACOES LTDA. and registered in BR. As of Wed, 20 May 2026 21:58:18 GMT, it announces 318 routed IP prefixes and peers with 12 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS28580 announces 318 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 45.11.187.0/24
- 45.11.188.0/24
- 45.11.189.0/24
- 45.11.192.0/24
- 45.11.193.0/24
- 45.11.194.0/24
- 45.11.195.0/24
- 45.169.120.0/22
- 45.169.122.0/23
- 45.169.124.0/24
- 45.169.124.0/23
- 45.169.124.0/22
- 45.169.126.0/23
- 45.173.144.0/24
- 45.173.144.0/23
- 45.173.145.0/24
- 45.173.144.0/22
- 45.173.148.0/24
- 45.173.149.0/24
- 45.173.150.0/24
- 45.227.228.0/24
- 45.227.228.0/23
- 45.227.229.0/24
- 45.227.228.0/22
- 45.227.230.0/24
Peering ecosystem
12 distinct peers via BGP. The first 12 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS273335 | GRCM-IN Generic Research Centre GRC, Mumbai | BR |
| AS268989 | Kosh-Communication-AS | BR |
| AS267976 | AT-TELECOM-AS | BR |
| AS266462 | IDNIC-GINET-AS-ID PT Global Internet Network | BR |
| AS266140 | CMC TELECOM LTDA | BR |
| AS61855 | ADP Brasil LTDA | BR |
| AS52887 | M.I.MONTREAL INFORMATICA LTDA | BR |
| AS37721 | CAMIX-Peering-AS | BF |
| AS37468 | Prestabist | AO |
| AS28649 | CONFEDERACAO DAS COOPERATIVAS DO SICREDI | BR |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
Blast radius
Approximate count of dependent hostnames if AS28580 disappeared from the routing table.
~8,014 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 21:58:18 GMT.
MOAS / hijack watch
Prefixes routed by AS28580 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 AS28580 is unique to AS28580 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS28580.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS28580"})-[: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.