Autonomous System

AS39326 Syntura Group Limited

BusinessActiveUnited KingdomRIPE

AS39326 (HSO-GROUP) is a business network operated by Syntura Group Limited in United Kingdom, registered with RIPE. It has 30 IPv4 prefixes with 104,704 addresses and 4 IPv6 prefixes, which makes it the 2,272nd largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses104,704in 30 prefixes
IPv6 prefixes4≈ 7.9 × 10²⁹ addresses
Size rank#2,272of 82,283 active ASNs
Abuser scoreLow0.15% of its addresses flagged · method

Details

OrganizationSyntura Group Limited
AS nameHSO-GROUP
Websitesyntura.io
Country United Kingdom (GB)
Network typeBusiness
RegistryRIPE
Abuse contactabuse@syntura.io
Registered2006-02-01
Last updated2026-01-02

IPv4 prefixes

30 prefixes · 104,704 addresses
NetworkAddressesFirst – last address
151.170.0.0/1665,536151.170.0.0 – 151.170.255.255
80.71.0.0/198,19280.71.0.0 – 80.71.31.255
217.196.224.0/198,192217.196.224.0 – 217.196.255.255
89.248.16.0/204,09689.248.16.0 – 89.248.31.255
93.89.80.0/204,09693.89.80.0 – 93.89.95.255
37.46.200.0/212,04837.46.200.0 – 37.46.207.255
46.17.56.0/212,04846.17.56.0 – 46.17.63.255
77.75.104.0/212,04877.75.104.0 – 77.75.111.255
92.119.136.0/221,02492.119.136.0 – 92.119.139.255
185.51.172.0/221,024185.51.172.0 – 185.51.175.255
185.75.28.0/221,024185.75.28.0 – 185.75.31.255
194.0.78.0/23512194.0.78.0 – 194.0.79.255
195.90.120.0/23512195.90.120.0 – 195.90.121.255
37.235.54.0/2425637.235.54.0 – 37.235.54.255
37.235.55.0/2425637.235.55.0 – 37.235.55.255
51.149.9.0/2425651.149.9.0 – 51.149.9.255
51.149.10.0/2425651.149.10.0 – 51.149.10.255
51.149.11.0/2425651.149.11.0 – 51.149.11.255
151.236.19.0/24256151.236.19.0 – 151.236.19.255
188.190.5.0/24256188.190.5.0 – 188.190.5.255
192.121.112.0/24256192.121.112.0 – 192.121.112.255
192.121.113.0/24256192.121.113.0 – 192.121.113.255
194.0.77.0/24256194.0.77.0 – 194.0.77.255
194.0.79.0/24256194.0.79.0 – 194.0.79.255
194.34.204.0/24256194.34.204.0 – 194.34.204.255
The 25 largest of 30. The API and the database have all of them.

IPv6 prefixes

4 prefixes
  • 2a09:b540::/29
  • 2001:a08::/32
  • 2a01:348::/32
  • 2a03:94c0::/40

Query AS39326 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS39326&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS39326, with or without a key:

curl "https://api.ipapi.is/?q=151.170.0.1"

Largest networks in United Kingdom