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AS20679 HSO Syntura Group Limited

HSO Syntura Group Limited · registered in the United Kingdom

IPv4 addresses2561 prefixes · <0.001% of announced IPv4
Rank in United Kingdom#1,668largest network in GB by IPv4 space, of 2,074 · <0.01% of GB
Rank worldwide#61,109of 79,396 networks with IPv4
IPv61 x /481 prefixes
CountryUnited Kingdom2,261 ASNs registered there

IPv4 prefixes

All 1 prefix, in address order.

  • 185.75.31.0/24

IPv6 prefixes

All 1 prefix.

  • 2001:678:418::/48

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses
AS219094#1665 MCDADE William McDade256
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AS12628#1667 SCREAMING-NET-AS JACO ENGELBRECHT256
AS39576#1669 Prostack-Hosting Sharpstack Hosting Ltd256
AS39617#1670 CONSULTANCY-ASN Chris Burton256
AS42044#1671 CENTRALNIC CentralNic Ltd256

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