Home Prefix Lookup166.192.0.0/12

166.192.0.0/12 - BGP Prefix

IPv4ARINallocated RPKI Valid

CIDR

166.192.0.0/12

IP Version

IPv4

Addresses

Mask

/12 (255.240.0.0)

Country

🇺🇸 United States

City

New York

RIR

ARIN

Status

allocated

Allocated

2025-04-01

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

200 more-specific announcements on this page, 211 in total

Prefix	Origin AS	RPKI	IRR	Last Seen
166.192.0.0/13	AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.0.0/17	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.10.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.16.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.32.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.40.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.42.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.44.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.48.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.56.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.64.0/19	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.96.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.104.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.108.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.112.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.114.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.118.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.119.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.120.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.122.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.127.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.193.128.0/17	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.7.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.8.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.10.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.11.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.13.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.15.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.18.0/23	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.29.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.30.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.31.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.54.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.55.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.70.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.72.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.73.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.74.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.75.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.76.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.77.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.78.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.79.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.80.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.84.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.85.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.86.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.87.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.100.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.101.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.105.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.122.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.123.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.124.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.194.125.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.0.0/16	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.0.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.8.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.12.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.14.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.16.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.20.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.24.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.28.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.30.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.32.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.36.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.40.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.44.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.48.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.64.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.72.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.76.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.80.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.88.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.112.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.120.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.124.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.128.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.132.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.134.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.136.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.144.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.152.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.160.0/19	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.195.192.0/18	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.0.0/19	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.9.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.32.0/21	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.34.0/23	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.34.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.36.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.37.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.38.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.45.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.46.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.47.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.48.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.49.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.50.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.51.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.52.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.53.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.54.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.55.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.56.0/23	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.59.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.60.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.70.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.71.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.72.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.74.0/23	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.95.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.98.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.99.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.104.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.105.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.106.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.107.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.110.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.124.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Invalid	-	2026-10-11
166.197.128.0/17	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.197.159.0/24	AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.0.0/14	AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.0.0/14	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Invalid	-	2026-10-11
166.200.0.0/16	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.1.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.4.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.36.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.40.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.42.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.112.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.117.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.118.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.119.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.161.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.186.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.212.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.218.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.220.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.200.232.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.0.0/16	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.23.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.32.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.176.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.184.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.188.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.193.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.196.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.201.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.204.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.206.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.208.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.215.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.220.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.225.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.226.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.228.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.230.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.201.232.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.202.0.0/16	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.0.0/16	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.0.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.16.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.32.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.48.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.64.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.80.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.96.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.112.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.128.0/17	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.128.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.160.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.176.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.192.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.196.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.200.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.204.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.206.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.208.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.224.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.240.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.248.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.203.250.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.0.0/17	AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.0.0/17	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Invalid	-	2026-10-11
166.204.0.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.16.0/20	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.32.0/21	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.40.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.44.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.48.0/22	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.52.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.54.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.55.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.56.0/23	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.58.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.60.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.61.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11
166.204.63.0/24	AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC	Valid	-	2026-10-11

Transfer History

Registry transfers of 166.192.0.0/12, blocks inside it, or blocks containing it.

166.192.0.0/12Transfer · 2025-04-01
Wireless Data Service Provider Corporation
🇺🇸 US ARIN
→
AT&T Enterprises, LLC
🇺🇸 US ARIN
166.128.0.0/9M&A · 2024-02-28
Service Provider Corporation
🇺🇸 US ARIN
→
Wireless Data Service Provider Corporation
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-04-01	166.192.0.0/12	Wireless Data Service Provider Corporation 🇺🇸 US ARIN	AT&T Enterprises, LLC 🇺🇸 US ARIN	Transfer
2024-02-28	166.128.0.0/9	Service Provider Corporation 🇺🇸 US ARIN	Wireless Data Service Provider Corporation 🇺🇸 US ARIN	M&A

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CityNew York

Coordinates40.7128, -74.0060 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/166.192.0.0/12

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/166.192.0.0/12" | jq

External Links

RIPEstat