AS31251 NETGUARD-AS Falco IPR BV

NETGUARD-AS Falco IPR BV · registered in the Netherlands

IPv4 addresses1,7924 prefixes · <0.001% of announced IPv4

Rank in Netherlands#379largest network in NL by IPv4 space, of 1,026 · <0.01% of NL

Rank worldwide#24,585of 79,396 networks with IPv4

IPv614 x /32 (917,504 x /48)6 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS31251 in ASN lookup Look up an IP in this network (85.203.0.1) All networks in Netherlands

IPv4 prefixes

All 4 prefixes, in address order.

85.203.0.0/22
85.203.5.0/24
85.203.6.0/24
85.203.12.0/24

IPv6 prefixes

All 6 prefixes.

2a02:a11::/32
2a02:a12::/31
2a02:a14::/30
2a03:60c1::/32
2a03:60c2::/31
2a03:60c4::/30

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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