AS8517 193.255.16.0/21 CIDR and IP Range Summary.ASN: 8517 - National Academic Network and Information CenterHost Count: 2046Addressable IPs: 2048193.255.16.0/24193.255.17.0/24193.255.18.0/24193.255.19.0/24193.255.20.0/24193.255.21.0/24193.255.22.0/24193.255.23.0/24