Autonomous system
AS39326 HSO-GROUP
Hosting RIPE
Summary
Syntura Group Limited
nsp business uk infrastructure
The AS handle HSO-GROUP is held by Syntura Group Limited.
What it's used for
- The address space carries business and government connectivity, evidenced by netnames such as
UK-HIGHSPEEDOFFICE-20010606,UK-NGACONNECT-20140321, andUK-CABINETOFFICE-TECHNOLOGY. - The AS announces 102,912 IPv4 addresses across 24 prefixes and 17 IPv6 prefixes, while maintaining 100 observed neighbours; this ratio indicates a transit or network service provider role rather than a pure access network.
- Traffic consists of enterprise backhaul, government agency connectivity, and infrastructure services for financial and public sector clients.
Notable
- Registrants align with the announcer for the majority of prefixes, with Syntura Group Limited listed for the largest blocks, while NGA Connect Limited and DWP-NETWORKS appear on smaller segments.
- The operator was formerly known as hSo and rebranded to Syntura following the acquisition of FITTS, a UK and East Africa-based digital transformation leader.
- The inventory includes a mix of large /16 and /19 blocks alongside numerous smaller /23 and /24 prefixes, reflecting a consolidated corporate estate with site-specific segmentation.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 8 exchanges in 4 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| LINX LON1 | London, United Kingdom | 195.66.224.226 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.209.107 |
| Neutral Internet Exchange | Amsterdam, Netherlands | 193.239.116.120 |
| France-IX Paris | Paris, France | 37.49.236.80 |
| London Network Access Point | London, United Kingdom | 5.57.80.196 |
| New York International Internet Exchange | New York, United States | 198.32.160.200 |
| LINX Manchester | Manchester, United Kingdom | 195.66.244.83 |
| Digital Realty New York Internet Exchange | New York, United States | 206.126.115.227 |
Transit providers
21 upstream, 18 downstream and 58 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 25 prefixes · 104K addresses IPv6 17 prefixes
| Country | Name | Prefixes |
|---|---|---|
| GB | United Kingdom | 42 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS39326- Registry name
- HSO-GROUP
- Registrant
- GOSCOMB-MNT
- Abuse contact
- abuse@syntura.io
- Registered
- 2006-02-01
- Last changed
- 2026-01-02
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 69% valid · 24 valid, 11 with no ROA
- ROAs
- 29 authorising AS39326
- ASPA
- no ASPA record
- IRR
- 100% registered · 35 of 35 announcements
- Route objects
- 47 naming AS39326
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 432 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
1 IC3 indicators addresses in this network appear in FBI IC3 cybersecurity advisories.
| Prefix | Advisory | Published |
|---|---|---|
37.235.55.113 | "First VPN Service" Used by Ransomware Actors to Compromise Systems | 2026-05-21 |
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere