AS21263 161.51.240.0/21 CIDR and IP Range Summary.ASN: 21263 - TeleData GmbHHost Count: 2046Addressable IPs: 2048161.51.240.0/24161.51.241.0/24161.51.242.0/24161.51.243.0/24161.51.244.0/24161.51.245.0/24161.51.246.0/24161.51.247.0/24