AS29108 LEITWERT-RESEARCH Leitwert GmbH

LEITWERT-RESEARCH Leitwert GmbH · registered in Germany

IPv4 addresses5,6326 prefixes · <0.001% of announced IPv4

Rank in Germany#495largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#12,822of 79,396 networks with IPv4

IPv622 x /486 prefixes

CountryGermany2,599 ASNs registered there

Open AS29108 in ASN lookup Look up an IP in this network (45.136.160.1) All networks in Germany

IPv4 prefixes

All 6 prefixes, in address order.

45.136.160.0/22
94.136.160.0/21
185.91.44.0/22
185.103.44.0/22
194.140.242.0/24
194.140.249.0/24

IPv6 prefixes

All 6 prefixes.

2a05:e740:1142::/48
2a05:e740:1144::/46
2a05:e740:1149::/48
2a05:e740:1944::/46
2a05:e740:4160::/46
2a05:e740:9160::/45

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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