AS19957 is an AS number assigned to AT&T Enterprises, LLC. Country or region: United States.

OrganizationAT&T Enterprises, LLC
Registered nameSTATE-OF-TENNESSEE-NETTN
CountryUnited States (US)
IPv4 addresses291,072
IPv4 ranges26
IPv6 ranges0

AS numbers: United States

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
66.4.0.0/16 65,536 Check if your IP is in this range
198.146.0.0/16 65,536 Check if your IP is in this range
206.23.0.0/16 65,536 Check if your IP is in this range
208.182.0.0/16 65,536 Check if your IP is in this range
12.204.208.0/20 4,096 Check if your IP is in this range
70.158.144.0/20 4,096 Check if your IP is in this range
74.252.160.0/20 4,096 Check if your IP is in this range
208.63.128.0/20 4,096 Check if your IP is in this range
12.204.192.0/21 2,048 Check if your IP is in this range
68.156.24.0/21 2,048 Check if your IP is in this range
70.150.248.0/21 2,048 Check if your IP is in this range
12.204.204.0/22 1,024 Check if your IP is in this range
74.254.176.0/22 1,024 Check if your IP is in this range
12.204.202.0/23 512 Check if your IP is in this range
64.79.182.0/23 512 Check if your IP is in this range
170.141.56.0/23 512 Check if your IP is in this range
170.141.60.0/23 512 Check if your IP is in this range
12.165.35.0/24 256 Check if your IP is in this range
12.204.201.0/24 256 Check if your IP is in this range
12.230.239.0/24 256 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.