Autonomous system profile

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

AS5671

Announcement observedARIN

AT&T Enterprises, LLC · PBI-NET-BLK

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

Last active9/29/2026, 13:28:56Snapshot expired

View network topology RDAP registration

ASN: AS5671
Registration country: United States
Name: AT&T Enterprises, LLC
Abbreviation: PBI-NET-BLK
Registration date: 8/10/1995, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
198.225.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 08:00:00	✓	×	Historical record
198.225.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 08:00:00	✓	×	Historical record
198.225.158.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 08:00:00	✓	×	Historical record
66.143.174.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: AT&T Enterprises, LLC
RIR: ARIN
Registration country: United States
Registration date: 8/10/1995, 04:00:00
Abuse contact: abuse@att.net

Snapshot trend

9/29/2026, 13:28:564 v40 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 · iana-rdap-asn-bootstrap · rir-rdap-asn