AS51207 37.168.0.0/13 CIDR and IP Range Summary.ASN: 51207 - Free Mobile SASHost Count: 524286Addressable IPs: 52428837.168.0.0/1637.168.0.0/1637.168.0.0/1637.168.0.0/1637.168.0.0/1637.168.0.0/1637.168.0.0/1637.168.0.0/16