AS19957 198.146.0.0/16 CIDR and IP Range Summary.ASN: 19957 - AT&T Corp.Host Count: 65534Addressable IPs: 65536198.146.0.0/24198.146.1.0/24198.146.2.0/24198.146.3.0/24198.146.4.0/24198.146.5.0/24198.146.6.0/24198.146.7.0/24198.146.8.0/24198.146.9.0/24198.146.10.0/24198.146.11.0/24198.146.12.0/24198.146.13.0/24198.146.14.0/24198.146.15.0/24198.146.16.0/24198.146.17.0/24198.146.18.0/24198.146.19.0/24198.146.20.0/24198.146.21.0/24198.146.22.0/24198.146.23.0/24198.146.24.0/24198.146.25.0/24198.146.26.0/24198.146.27.0/24198.146.28.0/24198.146.29.0/24198.146.30.0/24198.146.31.0/24198.146.32.0/24198.146.33.0/24198.146.34.0/24198.146.35.0/24198.146.36.0/24198.146.37.0/24198.146.38.0/24198.146.39.0/24198.146.40.0/24198.146.41.0/24198.146.42.0/24198.146.43.0/24198.146.44.0/24198.146.45.0/24198.146.46.0/24198.146.47.0/24198.146.48.0/24198.146.49.0/24198.146.50.0/24198.146.51.0/24198.146.52.0/24198.146.53.0/24198.146.54.0/24198.146.55.0/24198.146.56.0/24198.146.57.0/24198.146.58.0/24198.146.59.0/24198.146.60.0/24198.146.61.0/24198.146.62.0/24198.146.63.0/24198.146.64.0/24198.146.65.0/24198.146.66.0/24198.146.67.0/24198.146.68.0/24198.146.69.0/24198.146.70.0/24198.146.71.0/24198.146.72.0/24198.146.73.0/24198.146.74.0/24198.146.75.0/24198.146.76.0/24198.146.77.0/24198.146.78.0/24198.146.79.0/24198.146.80.0/24198.146.81.0/24198.146.82.0/24198.146.83.0/24198.146.84.0/24198.146.85.0/24198.146.86.0/24198.146.87.0/24198.146.88.0/24198.146.89.0/24198.146.90.0/24198.146.91.0/24198.146.92.0/24198.146.93.0/24198.146.94.0/24198.146.95.0/24198.146.96.0/24198.146.97.0/24198.146.98.0/24198.146.99.0/24198.146.100.0/24198.146.101.0/24198.146.102.0/24198.146.103.0/24198.146.104.0/24198.146.105.0/24198.146.106.0/24198.146.107.0/24198.146.108.0/24198.146.109.0/24198.146.110.0/24198.146.111.0/24198.146.112.0/24198.146.113.0/24198.146.114.0/24198.146.115.0/24198.146.116.0/24198.146.117.0/24198.146.118.0/24198.146.119.0/24198.146.120.0/24198.146.121.0/24198.146.122.0/24198.146.123.0/24198.146.124.0/24198.146.125.0/24198.146.126.0/24198.146.127.0/24198.146.128.0/24198.146.129.0/24198.146.130.0/24198.146.131.0/24198.146.132.0/24198.146.133.0/24198.146.134.0/24198.146.135.0/24198.146.136.0/24198.146.137.0/24198.146.138.0/24198.146.139.0/24198.146.140.0/24198.146.141.0/24198.146.142.0/24198.146.143.0/24198.146.144.0/24198.146.145.0/24198.146.146.0/24198.146.147.0/24198.146.148.0/24198.146.149.0/24198.146.150.0/24198.146.151.0/24198.146.152.0/24198.146.153.0/24198.146.154.0/24198.146.155.0/24198.146.156.0/24198.146.157.0/24198.146.158.0/24198.146.159.0/24198.146.160.0/24198.146.161.0/24198.146.162.0/24198.146.163.0/24198.146.164.0/24198.146.165.0/24198.146.166.0/24198.146.167.0/24198.146.168.0/24198.146.169.0/24198.146.170.0/24198.146.171.0/24198.146.172.0/24198.146.173.0/24198.146.174.0/24198.146.175.0/24198.146.176.0/24198.146.177.0/24198.146.178.0/24198.146.179.0/24198.146.180.0/24198.146.181.0/24198.146.182.0/24198.146.183.0/24198.146.184.0/24198.146.185.0/24198.146.186.0/24198.146.187.0/24198.146.188.0/24198.146.189.0/24198.146.190.0/24198.146.191.0/24198.146.192.0/24198.146.193.0/24198.146.194.0/24198.146.195.0/24198.146.196.0/24198.146.197.0/24198.146.198.0/24198.146.199.0/24198.146.200.0/24198.146.201.0/24198.146.202.0/24198.146.203.0/24198.146.204.0/24198.146.205.0/24198.146.206.0/24198.146.207.0/24198.146.208.0/24198.146.209.0/24198.146.210.0/24198.146.211.0/24198.146.212.0/24198.146.213.0/24198.146.214.0/24198.146.215.0/24198.146.216.0/24198.146.217.0/24198.146.218.0/24198.146.219.0/24198.146.220.0/24198.146.221.0/24198.146.222.0/24198.146.223.0/24198.146.224.0/24198.146.225.0/24198.146.226.0/24198.146.227.0/24198.146.228.0/24198.146.229.0/24198.146.230.0/24198.146.231.0/24198.146.232.0/24198.146.233.0/24198.146.234.0/24198.146.235.0/24198.146.236.0/24198.146.237.0/24198.146.238.0/24198.146.239.0/24198.146.240.0/24198.146.241.0/24198.146.242.0/24198.146.243.0/24198.146.244.0/24198.146.245.0/24198.146.246.0/24198.146.247.0/24198.146.248.0/24198.146.249.0/24198.146.250.0/24198.146.251.0/24198.146.252.0/24198.146.253.0/24198.146.254.0/24198.146.255.0/24