AS5520 UNI-KOELN Universitaet zu Koeln

UNI-KOELN Universitaet zu Koeln · registered in Germany

IPv4 addresses68,0966 prefixes · 0.002% of announced IPv4

Rank in Germany#86largest network in DE by IPv4 space, of 2,315 · 0.06% of DE

Rank worldwide#2,515of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryGermany2,599 ASNs registered there

Open AS5520 in ASN lookup Look up an IP in this network (134.95.0.1) All networks in Germany

IPv4 prefixes

All 6 prefixes, in address order.

134.95.0.0/16
134.107.209.0/24
134.107.216.0/23
134.107.225.0/24
134.107.226.0/23
185.240.116.0/22

IPv6 prefixes

All 1 prefix.

2a00:a200::/29

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources