AS4713 153.240.0.0/13 CIDR and IP Range Summary.ASN: 4713 - NTT Communications CorporationHost Count: 524286Addressable IPs: 524288153.240.0.0/16153.240.0.0/16153.240.0.0/16153.240.0.0/16153.240.0.0/16153.240.0.0/16153.240.0.0/16153.240.0.0/16