AS4181 50.21.192.0/20 CIDR and IP Range Summary.ASN: 4181 - TDS TelecomHost Count: 4094Addressable IPs: 409650.21.192.0/2450.21.193.0/2450.21.194.0/2450.21.195.0/2450.21.196.0/2450.21.197.0/2450.21.198.0/2450.21.199.0/2450.21.200.0/2450.21.201.0/2450.21.202.0/2450.21.203.0/2450.21.204.0/2450.21.205.0/2450.21.206.0/2450.21.207.0/24