AS34520 83.143.0.0/21 CIDR and IP Range Summary.ASN: 34520 - Deutsche Forschungsgemeinschaft E.V.Host Count: 2046Addressable IPs: 204883.143.0.0/2483.143.1.0/2483.143.2.0/2483.143.3.0/2483.143.4.0/2483.143.5.0/2483.143.6.0/2483.143.7.0/24