AS51491 — SYSGROUP-WALES SysGroup plc

AS51491 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.

About this network

The AS handle SYSGROUP-WALES is held by SysGroup plc.

What it's used for

• The address space is registered under the netname UK-SYSGROUP-20130822 with registrant SysGroup plc.
• The network announces a single IPv4 prefix, 185.33.184.0/22, comprising 1024 addresses, with no IPv6 prefixes in inventory.
• With only one observed neighbour in the routing system, the network operates as a small, self-contained block rather than a transit provider or large-scale access network.
• Traffic from this AS consists of corporate and business communications infrastructure, as SysGroup is a UK-based telecommunications provider offering managed services and connectivity solutions.

Notable

• The registrant SysGroup plc matches the AS holder, confirming consistent ownership of the address space.
• The inventory consists of a single contiguous /22 block, indicating a compact and focused address allocation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 185.33.184.0/22

Upstream networks

• AS39537 SysGroup plc

Adjacent networks

• AS39537 SysGroup plc

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-AVANTELMOSCOW, AS-HNS.