Autonomous system profile

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

AS4186

No announcement in snapshotARIN

AT&T Enterprises, LLC · ATTIS-ASN4186

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

Last active9/29/2026, 11:20:45Snapshot expired

View network topology RDAP registration

ASN: AS4186
Registration country: United States
Name: AT&T Enterprises, LLC
Abbreviation: ATTIS-ASN4186
Registration date: 12/16/1994, 05:00:00
Status: No announcement in snapshot
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
12.14.12.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
12.14.14.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
12.150.176.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
12.150.186.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
12.183.71.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
12.185.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
12.185.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
148.184.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
152.75.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
152.75.221.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
165.110.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
192.104.54.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	Historical record
192.133.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/16/2026, 00:00:00	✓	×	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: 12/16/1994, 05:00:00
Abuse contact: abuse@att.net

Snapshot trend

9/29/2026, 11:20:4513 v42 v60 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