AS20485 145.255.136.0/21 CIDR and IP Range Summary.ASN: 20485 - Joint Stock Company TransTeleComHost Count: 2046Addressable IPs: 2048145.255.136.0/24145.255.137.0/24145.255.138.0/24145.255.139.0/24145.255.140.0/24145.255.141.0/24145.255.142.0/24145.255.143.0/24