AS43847 NBISERV-AS Martin Prager trading as "NbIServ"

NBISERV-AS Martin Prager trading as "NbIServ" · registered in Germany

IPv4 addresses3,0726 prefixes · <0.001% of announced IPv4

Rank in Germany#679largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#17,890of 79,396 networks with IPv4

IPv69 x /32 (589,824 x /48)5 prefixes

CountryGermany2,599 ASNs registered there

Open AS43847 in ASN lookup Look up an IP in this network (31.185.104.1) All networks in Germany

IPv4 prefixes

All 6 prefixes, in address order.

31.185.104.0/24
31.185.110.0/23
45.149.216.0/23
46.182.16.0/22
46.182.20.0/23
46.182.23.0/24

IPv6 prefixes

All 5 prefixes.

2a02:2970::/32
2a02:2971::/32
2a02:2972::/31
2a02:2974::/30
2a0f:7600::/32

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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