AS680 139.191.184.0/21 CIDR and IP Range Summary.ASN: 680 - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.Host Count: 2046Addressable IPs: 2048139.191.184.0/24139.191.185.0/24139.191.186.0/24139.191.187.0/24139.191.188.0/24139.191.189.0/24139.191.190.0/24139.191.191.0/24