Autonomous system profile

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

AS13979

Announcement observedARIN

ATT-IPFR - AT&T Enterprises, LLC · ATT-IPFR

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

Last active10/22/2026, 11:41:15Snapshot expired

View network topology RDAP registration

ASN: AS13979
Registration country: United States
Name: ATT-IPFR - AT&T Enterprises, LLC
Abbreviation: ATT-IPFR
Registration date: 9/28/1999, 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
15.12.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
15.4.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
198.152.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/7/2026, 16:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
204.10.158.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
204.10.159.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	10/22/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: ATT-IPFR - AT&T Enterprises, LLC
RIR: ARIN
Registration country: United States
Registration date: 9/28/1999, 04:00:00
Abuse contact: abuse@att.net

Snapshot trend

10/22/2026, 11:41:155 v40 v66 Upstream · 0 Uncertain

10/16/2026, 01:27:555 v40 v67 Upstream · 0 Uncertain

9/30/2026, 10:32:534 v40 v65 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 · rir-rdap-asn · iana-rdap-asn-bootstrap