AS18573 63.102.248.0/21 CIDR and IP Range Summary.ASN: 18573 - Verizon BusinessHost Count: 2046Addressable IPs: 204863.102.248.0/2463.102.249.0/2463.102.250.0/2463.102.251.0/2463.102.252.0/2463.102.253.0/2463.102.254.0/2463.102.255.0/24