AS57112 AS-F2X Fiber Services B.V.

AS-F2X Fiber Services B.V. · registered in the Netherlands

IPv4 addresses31,23221 prefixes · <0.001% of announced IPv4

Rank in Netherlands#75largest network in NL by IPv4 space, of 1,026 · 0.07% of NL

Rank worldwide#4,938of 79,396 networks with IPv4

IPv624 x /32 (1,572,864 x /48)3 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS57112 in ASN lookup Look up an IP in this network (5.104.112.1) All networks in Netherlands

IPv4 prefixes

All 21 prefixes, in address order.

5.104.112.0/20
31.177.32.0/21
45.84.40.0/22
45.91.56.0/22
45.92.224.0/22
81.30.64.0/20
86.111.208.0/22
185.23.140.0/22
185.33.152.0/22
185.38.152.0/22
185.70.236.0/22
185.72.160.0/22
185.82.192.0/22
185.87.104.0/22
185.87.116.0/22
185.87.156.0/22
185.103.236.0/22
185.113.172.0/22
185.133.108.0/22
185.192.146.0/23
217.76.16.0/20

IPv6 prefixes

All 3 prefixes.

2a0a:4980::/29
2a0e:c40::/29
2a0e:9680::/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