HTTPfy

AS48886 CSNet-AS Communications Security Net B.V.

CSNet-AS Communications Security Net B.V. · registered in the Netherlands

IPv4 addresses5,12011 prefixes · <0.001% of announced IPv4
Rank in Netherlands#217largest network in NL by IPv4 space, of 1,026 · 0.01% of NL
Rank worldwide#13,744of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryNetherlands1,098 ASNs registered there

IPv4 prefixes

All 11 prefixes, in address order.

  • 45.91.68.0/23
  • 45.91.70.0/23
  • 194.69.16.0/22
  • 194.69.20.0/24
  • 194.69.21.0/24
  • 194.69.22.0/24
  • 194.69.23.0/24
  • 194.69.24.0/24
  • 194.69.25.0/24
  • 194.69.26.0/23
  • 194.69.28.0/22

Similar-sized networks in Netherlands

ASNNameIPv4 addresses
AS16350#214 ECHELON-AS Root Holding B.V.5,120
AS61429#215 AS-CASTOR Castor Marine B.V.5,120
AS15466#216 ASN-DTO Commando Materieel en IT5,120
AS58141#218 IPONE IP-ONE B.V.5,120
AS24785#219 JOINTTRANSIT-AS Broadband Hosting B.V.4,864
AS199939#220 KEEN-AS KeenSystems B.V.4,864

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