AS53237 AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS
🇧🇷Org handle: 103669
LACNICallocated
Announced Prefixes (BGP)
55total
38 IPv417 IPv6
IPv4 Addresses
Allocated (RIR)196,608
Announced (BGP)215,040
IPv6 Addresses
Allocated (RIR)3.1×10²⁹
Announced (BGP)1.1×10²⁹
Routing hygiene
Score 33/100 · Medium riskRPKI ROA coverage
0%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
6
diversity 72/100
- 100% of announced prefixes (55 of 55) have no valid ROA
Based on 55 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)55|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | Other IRR | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 |
1-10 of 55
1 / 6
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 177.14.0.0/15 | 🇧🇷 BR | LACNIC | allocated |
| 177.88.0.0/16 | 🇧🇷 BR | LACNIC | allocated |
| 2804:300::/30 | 🇧🇷 BR | LACNIC | allocated |
All 55 announced prefixes of AS53237 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS262486 | 🇧🇷AS262486 - PRODAM Processamento de Dados Amazonas S.A |
BGP Neighbours
(seen in AS paths)Upstreams (6)
Networks AS53237 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (16)
Networks whose own prefixes AS53237 passes on: usually its customers.
- AS40311ViaSat9
- AS270740EASYTECH TECNOLOGIA DA INFORMACAO LTDA7
- AS26218EMP. DE TEC. E INF. DA PREVIDENCIA DATAPREV5
- AS266031PRESIDENCIA DA REPUBLICA4
- AS22055Banco Central Do Brasil3
- AS28616Emp. De Informatica E Informacao Do Mun. BH/3
- AS52956Speed Travel Comunicacao Multimidia Ltda ME3
- AS61807Ministerio Da Educacao3
- AS264022REDE CONEXAONET2
- AS262486PRODAM Processamento De Dados Amazonas S.A1
- AS263056INDNET TELECOMUNICACOES LTDA1
- AS264080MINISTERIO DE MINAS E ENERGIA1
- AS267247MINISTERIO DO MEIO AMBIENTE1
- AS268473LinkSul Internet1
- AS273370INFO JR TELECOM SERVICOS DE COMUNICACAO LTDA1
- AS275686FUNDACAO MUNICIPAL DE TI E COMUNICACAO DE CANOAS1
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the LACNIC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/53237Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/53237" | jq