AS41000 Freethought-AS Freethought Internet Limited

Freethought-AS Freethought Internet Limited · registered in the United Kingdom

IPv4 addresses8,70410 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#316largest network in GB by IPv4 space, of 2,074 · 0.01% of GB

Rank worldwide#9,833of 79,396 networks with IPv4

IPv616 x /32 (1,048,576 x /48)2 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS41000 in ASN lookup Look up an IP in this network (37.61.232.1) All networks in United Kingdom

IPv4 prefixes

All 10 prefixes, in address order.

37.61.232.0/21
45.132.24.0/24
176.74.16.0/21
185.86.108.0/22
185.176.248.0/22
185.219.236.0/22
193.23.224.0/24
193.33.178.0/23
194.110.243.0/24
195.170.173.0/24

IPv6 prefixes

All 2 prefixes.

2a00:b980::/29
2a0b:eb40::/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