AS57866 FUSIX-AS Fusix Networks B.V.

FUSIX-AS Fusix Networks B.V. · registered in the Netherlands

IPv4 addresses9,72816 prefixes · <0.001% of announced IPv4

Rank in Netherlands#149largest network in NL by IPv4 space, of 1,026 · 0.02% of NL

Rank worldwide#9,181of 79,396 networks with IPv4

IPv625 x /32 (1,638,401 x /48)5 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS57866 in ASN lookup Look up an IP in this network (37.139.136.1) All networks in Netherlands

IPv4 prefixes

All 16 prefixes, in address order.

37.139.136.0/21
45.88.65.0/24
45.141.104.0/22
45.149.8.0/22
46.226.126.0/24
85.208.60.0/24
176.61.131.0/24
176.61.132.0/24
185.21.48.0/24
185.30.206.0/24
185.43.34.0/24
185.52.236.0/22
185.114.236.0/24
185.242.64.0/22
193.187.120.0/22
212.18.112.0/24

IPv6 prefixes

All 5 prefixes.

2a00:a7c0::/32
2a0c:c080::/29
2a11:7b80::/29
2a13:ea80:4588::/48
2a14:c200::/29

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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