AS7979 172.255.248.0/21 CIDR and IP Range Summary.ASN: 7979 - Servers.com Inc.Host Count: 2046Addressable IPs: 2048172.255.248.0/24172.255.249.0/24172.255.250.0/24172.255.251.0/24172.255.252.0/24172.255.253.0/24172.255.254.0/24172.255.255.0/24