AS199939 KEEN-AS KeenSystems B.V.

KEEN-AS KeenSystems B.V. · registered in the Netherlands

IPv4 addresses4,8647 prefixes · <0.001% of announced IPv4

Rank in Netherlands#220largest network in NL by IPv4 space, of 1,026 · 0.01% of NL

Rank worldwide#13,870of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)2 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS199939 in ASN lookup Look up an IP in this network (45.133.248.1) All networks in Netherlands

IPv4 prefixes

All 7 prefixes, in address order.

45.133.248.0/23
45.139.120.0/23
89.19.60.0/22
141.98.2.0/23
185.42.8.0/22
185.156.160.0/22
212.237.253.0/24

IPv6 prefixes

All 2 prefixes.

2a01:5860::/32
2a0d:bb40::/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