AS10507 24.221.8.0/21 CIDR and IP Range Summary.ASN: 10507 - Sprint Personal Communications SystemsHost Count: 2046Addressable IPs: 204824.221.8.0/2424.221.9.0/2424.221.10.0/2424.221.11.0/2424.221.12.0/2424.221.13.0/2424.221.14.0/2424.221.15.0/24