AS6878 164.18.40.0/21 CIDR and IP Range Summary.ASN: 6878 - T-Systems International GmbHHost Count: 2046Addressable IPs: 2048164.18.40.0/24164.18.41.0/24164.18.42.0/24164.18.43.0/24164.18.44.0/24164.18.45.0/24164.18.46.0/24164.18.47.0/24