AS680 153.97.48.0/20 CIDR and IP Range Summary.ASN: 680 - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.Host Count: 4094Addressable IPs: 4096153.97.48.0/24153.97.49.0/24153.97.50.0/24153.97.51.0/24153.97.52.0/24153.97.53.0/24153.97.54.0/24153.97.55.0/24153.97.56.0/24153.97.57.0/24153.97.58.0/24153.97.59.0/24153.97.60.0/24153.97.61.0/24153.97.62.0/24153.97.63.0/24