AS2043 CIS-NET KPN B.V.

CIS-NET KPN B.V. · registered in the Netherlands

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Netherlands#528largest network in NL by IPv4 space, of 1,026 · <0.01% of NL

Rank worldwide#35,701of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS2043 in ASN lookup Look up an IP in this network (185.2.172.1) All networks in Netherlands

IPv4 prefixes

All 1 prefix, in address order.

185.2.172.0/22

IPv6 prefixes

All 1 prefix.

2001:67c:1d4::/48

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AS201460#529 adipisching ABN AMRO Bank N.V.1,024

AS201789#530 NETOPS NETOPS B.V.1,024

AS205755#531 Sdnbucks SDNBUCKS BV1,024

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