AS17373 166.61.192.0/20 CIDR and IP Range Summary.ASN: 17373 - MCI WorldcomHost Count: 4094Addressable IPs: 4096166.61.192.0/24166.61.193.0/24166.61.194.0/24166.61.195.0/24166.61.196.0/24166.61.197.0/24166.61.198.0/24166.61.199.0/24166.61.200.0/24166.61.201.0/24166.61.202.0/24166.61.203.0/24166.61.204.0/24166.61.205.0/24166.61.206.0/24166.61.207.0/24