AS211124 — CGI-UK-AS CGI France SAS

AS211124 announces 18 IPv4 prefixes covering 9,984 addresses and 0 IPv6 prefixes.

About this network

The AS handle CGI-UK-AS is held by CGI France SAS.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames LOGICACMG-BLOCK and LOGICA with registrants CGI NET IPAM and Logica Hostmaster; CGI IT UK LIMITED.
• The AS announces 9984 IPv4 addresses across 21 prefixes and observes 2 routing neighbours, indicating a low-transit internal corporate estate rather than a public access network.
• Traffic from this AS consists of office workers, internal application endpoints, and backhaul for CGI's digital consulting and service operations in France.

Notable

• Registrants align with the announcer, showing CGI NET IPAM for most blocks and Logica Hostmaster; CGI IT UK LIMITED for legacy LOGICA blocks.
• The netnames LOGICACMG-BLOCK and LOGICA reflect the historical merger of Logica and CMG to form CGI.
• The inventory is finely subdivided into /22, /23, and /24 blocks, consistent with site-by-site segmentation for a large enterprise.

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

Announced prefixes

• 158.234.8.0/24
• 158.234.15.0/24
• 158.234.28.0/24
• 158.234.54.0/24
• 158.234.68.0/24
• 158.234.248.0/24
• 158.234.250.0/23
• 158.234.255.0/24
• 163.164.0.0/21
• 163.164.18.0/23
• 163.164.38.0/23
• 163.164.64.0/23
• 163.164.106.0/23
• 163.164.108.0/23
• 163.164.118.0/23
• 163.164.120.0/23
• 163.164.224.0/22
• 163.164.232.0/22

Upstream networks

• AS39537 SysGroup plc
• AS5089 Virgin Media Limited

Adjacent networks

• AS39537 SysGroup plc
• AS5089 Virgin Media Limited

Routing security

• RPKI: 0 valid, 0 invalid and 33 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 70% of announcements registered; 26 route objects.
• Listed in as-sets: AS-211124-CUSTOMERS, AS-HNS.