$ query “AS53237” --type=asn → 1 result(s)

AS53237 · TELECOMUNICACOES-BRASILEIRAS-S

TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS

AS53237 belongs to TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS and is a mid-size transit provider, registered in Brazil since 2010. The system announces a solid 124 928 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Australia, with additional presence in Brazil.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇧🇷 Brazil
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 10, 2010
Last Changed
March 04, 2026
Last Seen
July 27, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
38 / 8
IPv6 Prefixes (raw / aggregated)
17 / 5
IPv4 Addresses
124 928
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/34
Geolocated Countries
🇦🇺 Australia (186 912 IPs), 🇧🇷 Brazil (52 976 IPs)
Prefix Changed
July 11, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
30 networks exchanging traffic without transit
Downstream Customers
15 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
54 unique BGP neighbors
Reach
27 networks in customer cone

Upstream Providers (5)

  • AS52468 — UFINET-PANAMA
  • AS12956 — TELXIUS (Tier-1 transit)
  • AS28598 — DB3-SERVICOS-TELECOMUNICACOES
  • AS28329 — MEGATELECOM-TELECOMUNICACOES
  • AS28178 — NETWORLD-PROVEDOR-SERVICOS

Prefix Lists

IPv4 Prefixes (38 total)

  • 177.14.128.0/17 (32 768 addresses (/17 prefix))
  • 177.15.0.0/17 (32 768 addresses (/17 prefix))
  • 177.14.64.0/18 (16 384 addresses (/18 prefix))
  • 177.15.128.0/18 (16 384 addresses (/18 prefix))
  • 177.88.0.0/19 (8 192 addresses (/19 prefix))
  • 177.88.96.0/19 (8 192 addresses (/19 prefix))
  • 177.88.160.0/19 (8 192 addresses (/19 prefix))
  • 177.15.248.0/21 (2 048 addresses (/21 prefix))

IPv6 Prefixes (17 total)

  • 2804:300:c000::/34
  • 2804:301:4000::/34
  • 2804:301:8000::/34
  • 2804:302:4000::/35
  • 2804:300:2001::/48