Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS53237

Announcement observedUnknown RIR

AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS · AS53237

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/13/2026, 08:38:02Snapshot expired

View network topology RDAP registration

ASN: AS53237
Registration country: Registration country pending sync
Name: AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS
Abbreviation: AS53237
Registration date: Not recorded
Status: Announcement observed
RIR: Not recorded

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
177.14.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
177.14.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/14/2026, 16:00:00	✓	×	Currently valid
177.14.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.192.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.240.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.14.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.248.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.15.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.88.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.88.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.88.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
177.88.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/9/2026, 16:00:00	✓	×	Historical record
177.88.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/9/2026, 16:00:00	✓	×	Historical record
177.88.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS
RIR: Not recorded
Registration country: Registration country pending sync
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/13/2026, 08:38:0238 v417 v616 Upstream · 33 Uncertain

10/10/2026, 12:11:0738 v417 v615 Upstream · 34 Uncertain

10/8/2026, 13:49:2238 v417 v615 Upstream · 33 Uncertain

10/4/2026, 22:56:4838 v417 v615 Upstream · 32 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing