AS43861 CIRCLEB-ASN Circle B B.V.

CIRCLEB-ASN Circle B B.V. · registered in the Netherlands

IPv4 addresses1,5363 prefixes · <0.001% of announced IPv4

Rank in Netherlands#397largest network in NL by IPv4 space, of 1,026 · <0.01% of NL

Rank worldwide#25,764of 79,396 networks with IPv4

IPv61 x /32 (65,537 x /48)2 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS43861 in ASN lookup Look up an IP in this network (45.134.176.1) All networks in Netherlands

IPv4 prefixes

All 3 prefixes, in address order.

45.134.176.0/22
91.199.227.0/24
185.125.242.0/24

IPv6 prefixes

All 2 prefixes.

2001:678:348::/48
2a13:acc0::/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