IP Address Allocation » Organizations » AT&T Internet Services

We have found a total of 134 IP address ranges that are allocated for the AT&T Internet Services organization. Currently you are viewing page 1 of a total of 3 pages showing you the allocation for IP addresses ranging between 12.14.12.0 and 135.209.239.255 here on IPAddress.com.

IP Address RangeNumber of IP AddressesCIDR SubnetsSample IP
12.14.12.0-12.14.12.255256
  • 12.14.12.0/24
12.14.12.30
12.14.14.0-12.14.14.255256
  • 12.14.14.0/24
12.14.14.158
12.42.61.0-12.42.61.255256
  • 12.42.61.0/24
12.42.61.177
12.96.43.0-12.96.44.255512
  • 12.96.43.0/24
  • 12.96.44.0/24
12.96.43.177
12.130.248.0-12.130.255.2552,048
  • 12.130.248.0/21
12.130.249.107
12.150.176.0-12.150.176.255256
  • 12.150.176.0/24
12.150.176.109
12.150.186.0-12.150.186.255256
  • 12.150.186.0/24
12.150.186.132
12.153.241.0-12.153.241.255256
  • 12.153.241.0/24
12.153.241.78
12.183.71.0-12.183.71.255256
  • 12.183.71.0/24
12.183.71.127
12.185.4.0-12.185.4.255256
  • 12.185.4.0/24
12.185.4.77
12.185.7.0-12.185.7.255256
  • 12.185.7.0/24
12.185.7.110
12.206.215.0-12.206.215.255256
  • 12.206.215.0/24
12.206.215.19
15.0.0.0-15.0.1.255512
  • 15.0.0.0/23
15.0.1.85
15.0.65.0-15.0.103.2559,984
  • 15.0.65.0/24
  • 15.0.66.0/23
  • 15.0.68.0/22
  • 15.0.72.0/21
  • 15.0.80.0/20
  • 15.0.96.0/21
15.0.74.158
15.4.64.0-15.4.127.25516,384
  • 15.4.64.0/18
15.4.83.201
15.8.64.0-15.8.127.25516,384
  • 15.8.64.0/18
15.8.96.186
15.12.64.0-15.12.71.2552,048
  • 15.12.64.0/21
15.12.68.123
15.12.76.0-15.12.127.25513,312
  • 15.12.76.0/22
  • 15.12.80.0/20
  • 15.12.96.0/19
15.12.109.123
15.98.64.0-15.98.127.25516,384
  • 15.98.64.0/18
15.98.98.18
46.161.210.0-46.161.211.255512
  • 46.161.210.0/23
46.161.211.58
55.22.84.0-55.22.84.255256
  • 55.22.84.0/24
55.22.84.47
55.22.86.0-55.22.86.255256
  • 55.22.86.0/24
55.22.86.173
55.22.158.0-55.22.158.255256
  • 55.22.158.0/24
55.22.158.92
63.240.227.0-63.240.228.255512
  • 63.240.227.0/24
  • 63.240.228.0/24
63.240.228.71
63.240.240.0-63.240.243.2551,024
  • 63.240.240.0/22
63.240.240.23
63.240.250.0-63.240.250.255256
  • 63.240.250.0/24
63.240.250.114
64.143.0.0-64.143.223.25557,344
  • 64.143.0.0/17
  • 64.143.128.0/18
  • 64.143.192.0/19
64.143.218.204
65.6.240.0-65.6.255.2554,096
  • 65.6.240.0/20
65.6.245.41
65.81.232.0-65.81.233.255512
  • 65.81.232.0/23
65.81.232.192
65.83.208.0-65.83.208.255256
  • 65.83.208.0/24
65.83.208.83
66.143.174.0-66.143.174.255256
  • 66.143.174.0/24
66.143.174.185
66.156.200.0-66.156.200.255256
  • 66.156.200.0/24
66.156.200.68
67.33.240.0-67.33.247.2552,048
  • 67.33.240.0/21
67.33.243.38
67.98.173.0-67.98.173.255256
  • 67.98.173.0/24
67.98.173.8
68.153.8.0-68.153.9.255512
  • 68.153.8.0/23
68.153.9.92
72.157.160.0-72.157.191.2558,192
  • 72.157.160.0/19
72.157.184.53
72.157.216.0-72.157.220.2551,280
  • 72.157.216.0/22
  • 72.157.220.0/24
72.157.219.146
72.157.240.0-72.157.255.2554,096
  • 72.157.240.0/20
72.157.251.159
74.252.100.0-74.252.107.2552,048
  • 74.252.100.0/22
  • 74.252.104.0/22
74.252.107.168
74.254.100.0-74.254.103.2551,024
  • 74.254.100.0/22
74.254.101.136
94.103.177.0-94.103.177.255256
  • 94.103.177.0/24
94.103.177.114
98.79.80.0-98.79.80.255256
  • 98.79.80.0/24
98.79.80.168
98.79.83.0-98.79.95.2553,328
  • 98.79.83.0/24
  • 98.79.84.0/22
  • 98.79.88.0/21
98.79.94.39
104.1.87.56-104.1.87.638
  • 104.1.87.56/29
104.1.87.62
134.24.64.0-134.24.65.255512
  • 134.24.64.0/23
134.24.65.13
134.24.175.0-134.24.175.255256
  • 134.24.175.0/24
134.24.175.183
135.209.64.0-135.209.127.25516,384
  • 135.209.64.0/18
135.209.64.254
135.209.146.0-135.209.156.2552,816
  • 135.209.146.0/23
  • 135.209.148.0/22
  • 135.209.152.0/22
  • 135.209.156.0/24
135.209.147.153
135.209.158.0-135.209.168.2552,816
  • 135.209.158.0/23
  • 135.209.160.0/21
  • 135.209.168.0/24
135.209.158.122
135.209.208.0-135.209.239.2558,192
  • 135.209.208.0/20
  • 135.209.224.0/20
135.209.233.9