AS9057 209.100.192.0/21 CIDR and IP Range Summary.ASN: 9057 - Lumen Technologies UK LimitedHost Count: 2046Addressable IPs: 2048209.100.192.0/24209.100.193.0/24209.100.194.0/24209.100.195.0/24209.100.196.0/24209.100.197.0/24209.100.198.0/24209.100.199.0/24