$ query “AS39326” --type=asn → 1 result(s)

AS39326 · HSO-GROUP

Syntura Group Limited

AS39326 belongs to Syntura Group Limited and is a mid-size transit provider, established in the United Kingdom in 2006. The system announces a solid 103 168 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to the United Kingdom.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇬🇧 United Kingdom
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 01, 2006
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
29 / 23
IPv6 Prefixes (raw / aggregated)
4 / 3
IPv4 Addresses
103 168
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇬🇧 United Kingdom (202 752 IPs)
Prefix Changed
April 13, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 103 168 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
69 networks exchanging traffic without transit
Downstream Customers
20 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
92 unique BGP neighbors
Reach
39 networks in customer cone

Upstream Providers (2)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (29 total)

  • 151.170.0.0/16 (65 536 addresses (/16 prefix))
  • 217.196.224.0/19 (8 192 addresses (/19 prefix))
  • 80.71.0.0/19 (8 192 addresses (/19 prefix))
  • 93.89.80.0/20 (4 096 addresses (/20 prefix))
  • 89.248.16.0/20 (4 096 addresses (/20 prefix))
  • 37.46.200.0/21 (2 048 addresses (/21 prefix))
  • 46.17.56.0/21 (2 048 addresses (/21 prefix))
  • 77.75.104.0/21 (2 048 addresses (/21 prefix))
  • 185.75.28.0/22 (1 024 addresses (/22 prefix))
  • 185.51.172.0/22 (1 024 addresses (/22 prefix))
  • 51.149.10.0/23 (512 addresses (/23 prefix))
  • 37.235.54.0/23 (512 addresses (/23 prefix))
  • 194.0.78.0/23 (512 addresses (/23 prefix))
  • 195.90.120.0/23 (512 addresses (/23 prefix))
  • 192.121.112.0/23 (512 addresses (/23 prefix))
  • 194.34.206.0/23 (512 addresses (/23 prefix))
  • 151.236.19.0/24 (256 addresses (/24 prefix))
  • 194.34.204.0/24 (256 addresses (/24 prefix))
  • 194.0.77.0/24 (256 addresses (/24 prefix))
  • 194.34.213.0/24 (256 addresses (/24 prefix))
  • 188.190.5.0/24 (256 addresses (/24 prefix))
  • 195.238.232.0/24 (256 addresses (/24 prefix))
  • 51.149.9.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (4 total)

  • 2001:a08::/32
  • 2a01:348::/32
  • 2a03:94c0::/40