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AS212601
AS212601 Calastone Calastone Limited
Calastone Calastone Limited · registered in the United Kingdom
IPv4 addresses 512 1 prefixes · <0.001% of announced IPv4
Rank in United Kingdom #1,543 largest network in GB by IPv4 space, of 2,074 · <0.01% of GB
Rank worldwide #57,131 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 1 prefix, in address order.
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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