AS680 153.97.160.0/21 CIDR and IP Range Summary.ASN: 680 - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.Host Count: 2046Addressable IPs: 2048153.97.160.0/24153.97.161.0/24153.97.162.0/24153.97.163.0/24153.97.164.0/24153.97.165.0/24153.97.166.0/24153.97.167.0/24