AS4268 206.18.192.0/21 CIDR and IP Range Summary.ASN: 4268 - California Education and Research Federation NetworkHost Count: 2046Addressable IPs: 2048206.18.192.0/24206.18.193.0/24206.18.194.0/24206.18.195.0/24206.18.196.0/24206.18.197.0/24206.18.198.0/24206.18.199.0/24