AS680 153.97.184.0/21 CIDR and IP Range Summary.ASN: 680 - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.Host Count: 2046Addressable IPs: 2048153.97.184.0/24153.97.185.0/24153.97.186.0/24153.97.187.0/24153.97.188.0/24153.97.189.0/24153.97.190.0/24153.97.191.0/24