AS34878 KIT Karlsruhe Institute of Technology

KIT Karlsruhe Institute of Technology · registered in Germany

IPv4 addresses200,7044 prefixes · 0.006% of announced IPv4

Rank in Germany#29largest network in DE by IPv4 space, of 2,315 · 0.18% of DE

Rank worldwide#1,077of 79,396 networks with IPv4

IPv66 x /32 (393,232 x /48)5 prefixes

CountryGermany2,599 ASNs registered there

Open AS34878 in ASN lookup Look up an IP in this network (129.13.0.1) All networks in Germany

IPv4 prefixes

All 4 prefixes, in address order.

129.13.0.0/16
141.3.0.0/16
141.52.0.0/16
193.196.32.0/20

IPv6 prefixes

All 5 prefixes.

2001:7c0:2310::/44
2a00:1398::/31
2a00:139a::/32
2a00:139d::/32
2a00:139e::/31

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AS13043#30 Bayer-AS Bayer AG177,152

AS13045#31 HTP-AS htp GmbH175,872

AS12897#32 ENTEGAMEDIANET ENTEGA Medianet GmbH163,584

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