Autonomous System
AS39326 Syntura Group Limited
ISPActiveUnited KingdomRIPE
AS39326 (HSO-GROUP) is an ISP network operated by Syntura Group Limited in United Kingdom, registered with RIPE. It has 29 IPv4 prefixes with 103,680 addresses and 3 IPv6 prefixes, which makes it the 2,273rd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses103,680in 29 prefixes
IPv6 prefixes3≈ 1.6 × 10²⁹ addresses
Size rank#2,273of 82,200 active ASNs
Details
OrganizationSyntura Group Limited
AS nameHSO-GROUP
Websitecogentco.com
Country United Kingdom (GB)
Network typeISP
RegistryRIPE
Abuse contactabuse@syntura.io
Registered2006-02-01
Last updated2026-01-02
IPv4 prefixes
29 prefixes · 103,680 addresses| Network | Addresses | First – last address |
|---|---|---|
| 151.170.0.0/16 | 65,536 | 151.170.0.0 – 151.170.255.255 |
| 80.71.0.0/19 | 8,192 | 80.71.0.0 – 80.71.31.255 |
| 217.196.224.0/19 | 8,192 | 217.196.224.0 – 217.196.255.255 |
| 89.248.16.0/20 | 4,096 | 89.248.16.0 – 89.248.31.255 |
| 93.89.80.0/20 | 4,096 | 93.89.80.0 – 93.89.95.255 |
| 37.46.200.0/21 | 2,048 | 37.46.200.0 – 37.46.207.255 |
| 46.17.56.0/21 | 2,048 | 46.17.56.0 – 46.17.63.255 |
| 77.75.104.0/21 | 2,048 | 77.75.104.0 – 77.75.111.255 |
| 185.51.172.0/22 | 1,024 | 185.51.172.0 – 185.51.175.255 |
| 185.75.28.0/22 | 1,024 | 185.75.28.0 – 185.75.31.255 |
| 194.0.78.0/23 | 512 | 194.0.78.0 – 194.0.79.255 |
| 195.90.120.0/23 | 512 | 195.90.120.0 – 195.90.121.255 |
| 37.235.54.0/24 | 256 | 37.235.54.0 – 37.235.54.255 |
| 37.235.55.0/24 | 256 | 37.235.55.0 – 37.235.55.255 |
| 51.149.9.0/24 | 256 | 51.149.9.0 – 51.149.9.255 |
| 51.149.10.0/24 | 256 | 51.149.10.0 – 51.149.10.255 |
| 51.149.11.0/24 | 256 | 51.149.11.0 – 51.149.11.255 |
| 151.236.19.0/24 | 256 | 151.236.19.0 – 151.236.19.255 |
| 188.190.5.0/24 | 256 | 188.190.5.0 – 188.190.5.255 |
| 192.121.112.0/24 | 256 | 192.121.112.0 – 192.121.112.255 |
| 192.121.113.0/24 | 256 | 192.121.113.0 – 192.121.113.255 |
| 194.0.77.0/24 | 256 | 194.0.77.0 – 194.0.77.255 |
| 194.0.79.0/24 | 256 | 194.0.79.0 – 194.0.79.255 |
| 194.34.204.0/24 | 256 | 194.34.204.0 – 194.34.204.255 |
| 194.34.206.0/24 | 256 | 194.34.206.0 – 194.34.206.255 |
151.170.0.0/16 80.71.0.0/19 217.196.224.0/19 89.248.16.0/20 93.89.80.0/20 37.46.200.0/21 46.17.56.0/21 77.75.104.0/21 185.51.172.0/22 185.75.28.0/22 194.0.78.0/23 195.90.120.0/23 37.235.54.0/24 37.235.55.0/24 51.149.9.0/24 51.149.10.0/24 51.149.11.0/24 151.236.19.0/24 188.190.5.0/24 192.121.112.0/24 192.121.113.0/24 194.0.77.0/24 194.0.79.0/24 194.34.204.0/24 194.34.206.0/24
The 25 largest of 29. The API and the database have all of them.
IPv6 prefixes
3 prefixes- 2001:a08::/32
- 2a01:348::/32
- 2a03:94c0::/40
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"