Autonomous system profile

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

AS18881

Announcement observedUnknown RIR

AS18881 - TELEFONICA BRASIL S.A · AS18881

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

Last active10/16/2026, 07:16:58Snapshot expired

View network topology RDAP registration

ASN: AS18881
Registration country: Registration country pending sync
Name: AS18881 - TELEFONICA BRASIL S.A
Abbreviation: AS18881
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
177.132.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.144.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.224.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.32.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.132.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.192.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.133.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.72.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.134.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.160.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.168.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.192.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.208.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.216.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.220.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.135.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.145.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.145.0.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid
177.156.0.0/14BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/18/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: AS18881 - TELEFONICA BRASIL S.A
RIR: Not recorded
Registration country: Registration country pending sync
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/16/2026, 07:16:58964 v473 v62 Upstream · 0 Uncertain

10/4/2026, 11:51:22966 v472 v62 Upstream · 0 Uncertain

9/30/2026, 23:49:18966 v472 v62 Upstream · 0 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