IPv4 AS & ASN Directory

IP Range CIDR ASN AS Name
12.181.160.0 to 12.181.160.255 12.181.160.0/24 AS7018 AT&T Services Inc. See Range
12.181.161.0 to 12.181.161.255 12.181.161.0/24 AS31973 Wisconsin Physicians Service Insurance Corp. See Range
12.181.162.0 to 12.181.162.255 12.181.162.0/24 AS7018 AT&T Services Inc. See Range
12.181.163.0 to 12.181.163.255 12.181.163.0/24 AS11273 Fiserv Solutions LLC See Range
12.181.164.0 to 12.181.167.255 12.181.164.0/22 AS7018 AT&T Services Inc. See Range
12.181.168.0 to 12.181.175.255 12.181.168.0/21 AS7018 AT&T Services Inc. See Range
12.181.176.0 to 12.181.191.255 12.181.176.0/20 AS7018 AT&T Services Inc. See Range
12.181.192.0 to 12.181.207.255 12.181.192.0/20 AS7018 AT&T Services Inc. See Range
12.181.208.0 to 12.181.211.255 12.181.208.0/22 AS7018 AT&T Services Inc. See Range
12.181.212.0 to 12.181.213.255 12.181.212.0/23 AS7018 AT&T Services Inc. See Range
12.181.214.0 to 12.181.214.255 12.181.214.0/24 AS394143 C.O.P.S. Monitoring See Range
12.181.215.0 to 12.181.215.255 12.181.215.0/24 AS7018 AT&T Services Inc. See Range
12.181.216.0 to 12.181.223.255 12.181.216.0/21 AS7018 AT&T Services Inc. See Range
12.181.224.0 to 12.181.231.255 12.181.224.0/21 AS7018 AT&T Services Inc. See Range
12.181.232.0 to 12.181.235.255 12.181.232.0/22 AS7018 AT&T Services Inc. See Range
12.181.236.0 to 12.181.237.255 12.181.236.0/23 AS7018 AT&T Services Inc. See Range
12.181.238.0 to 12.181.238.255 12.181.238.0/24 AS7018 AT&T Services Inc. See Range
12.181.239.0 to 12.181.239.255 12.181.239.0/24 AS2386 AT&T Data Communications Services See Range
12.181.240.0 to 12.181.247.255 12.181.240.0/21 AS7018 AT&T Services Inc. See Range
12.181.248.0 to 12.181.248.255 12.181.248.0/24 AS7018 AT&T Services Inc. See Range
12.181.249.0 to 12.181.249.255 12.181.249.0/24 AS12022 Springleaf Finance Inc. See Range
12.181.250.0 to 12.181.251.255 12.181.250.0/23 AS7018 AT&T Services Inc. See Range
12.181.252.0 to 12.181.252.255 12.181.252.0/24 AS36603 Airlines Reporting Corporation See Range
12.181.253.0 to 12.181.253.255 12.181.253.0/24 AS7018 AT&T Services Inc. See Range
12.181.254.0 to 12.181.255.255 12.181.254.0/23 AS7018 AT&T Services Inc. See Range