AS204777 — TELENT

AS204777 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

TELENT is operated by Telent Technology Services Ltd.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netname TELENT-LAN-FULL on both announced prefixes.
• The AS announces 768 IPv4 addresses across 2 prefixes with 3 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.
• Traffic from this AS consists of office workers and internal systems for Telent, a British company specializing in the design, build, and management of critical digital infrastructure for government and defence sectors.

Notable

• Registrants for both prefixes are telent Technology Services Ltd, matching the AS holder.
• Telent was formerly known as Marconi, having been renamed during the restructuring of GEC-Marconi.
• The inventory consists of two contiguous IPv4 blocks: 137.221.224.0/23 and 137.221.226.0/24.

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

Announced prefixes

• 137.221.224.0/23
• 137.221.226.0/24

Upstream networks

• AS3257 GTT Communications Inc.
• AS5089 Virgin Media Limited

Adjacent networks

• AS3257 GTT Communications Inc.
• AS5089 Virgin Media Limited

Routing security

• RPKI: 1 valid, 0 invalid and 2 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-GTTCUST.