IPv4 AS & ASN Directory

IP Range CIDR ASN AS Name
12.255.138.0 to 12.255.139.255 12.255.138.0/23 AS4466 AT&T Services Inc. See Range
12.255.140.0 to 12.255.141.255 12.255.140.0/23 AS4466 AT&T Services Inc. See Range
12.255.142.0 to 12.255.142.255 12.255.142.0/24 AS4466 AT&T Services Inc. See Range
12.255.143.0 to 12.255.143.255 12.255.143.0/24 AS7018 AT&T Services Inc. See Range
12.255.144.0 to 12.255.151.255 12.255.144.0/21 AS17224 AT&T Enhanced Network Services See Range
12.255.152.0 to 12.255.153.255 12.255.152.0/23 AS17224 AT&T Enhanced Network Services See Range
12.255.154.0 to 12.255.154.255 12.255.154.0/24 AS17224 AT&T Enhanced Network Services See Range
12.255.155.0 to 12.255.155.255 12.255.155.0/24 AS7018 AT&T Services Inc. See Range
12.255.156.0 to 12.255.159.255 12.255.156.0/22 AS17224 AT&T Enhanced Network Services See Range
12.255.160.0 to 12.255.167.255 12.255.160.0/21 AS17224 AT&T Enhanced Network Services See Range
12.255.168.0 to 12.255.169.255 12.255.168.0/23 AS17224 AT&T Enhanced Network Services See Range
12.255.170.0 to 12.255.170.255 12.255.170.0/24 AS17224 AT&T Enhanced Network Services See Range
12.255.171.0 to 12.255.171.255 12.255.171.0/24 AS7018 AT&T Services Inc. See Range
12.255.172.0 to 12.255.175.255 12.255.172.0/22 AS17224 AT&T Enhanced Network Services See Range
12.255.176.0 to 12.255.191.255 12.255.176.0/20 AS7018 AT&T Services Inc. See Range
12.255.192.0 to 12.255.255.255 12.255.192.0/18 AS7018 AT&T Services Inc. See Range
13.0.0.0 to 13.0.127.255 13.0.0.0/17 - Name Not Defined See Range
13.0.128.0 to 13.0.191.255 13.0.128.0/18 - Name Not Defined See Range
13.0.192.0 to 13.0.199.255 13.0.192.0/21 - Name Not Defined See Range
13.0.200.0 to 13.0.207.255 13.0.200.0/21 AS33631 Palo Alto Research Center Incorporated See Range
13.0.208.0 to 13.0.215.255 13.0.208.0/21 AS33631 Palo Alto Research Center Incorporated See Range
13.0.216.0 to 13.0.223.255 13.0.216.0/21 - Name Not Defined See Range
13.0.224.0 to 13.0.255.255 13.0.224.0/19 - Name Not Defined See Range
13.1.0.0 to 13.1.63.255 13.1.0.0/18 - Name Not Defined See Range
13.1.64.0 to 13.1.71.255 13.1.64.0/21 AS33631 Palo Alto Research Center Incorporated See Range