AS29180 — O2-ONLINE-AS [email protected] 20170104

AS29180 announces 15 IPv4 prefixes covering 14,592 addresses and 0 IPv6 prefixes.

About this network

The AS handle O2-ONLINE-AS is held by Telefonica UK Limited.

What it's used for

• The address space carries O2 UK IP Space Management, with netnames including UK-O2UK-20030814, O2-reference, and O2Online.
• The AS announces 15104 IPv4 addresses across 13 prefixes with only 1 observed neighbour, indicating a large access or eyeball network rather than a transit provider.

Notable

• Registrants consistently identify as Telefonica UK Limited or O2 UK IP Space Management, aligning with the AS holder.
• O2 UK is the UK mobile and broadband division of Telefónica, the Spanish telecommunications group.
• The inventory consists primarily of 82.132.0.0/16 space, subdivided into /20, /21, /22, /23, and /24 blocks, alongside a single /22 in 185.238.0.0/16.

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

Announced prefixes

• 82.132.128.0/21
• 82.132.136.0/23
• 82.132.140.0/22
• 82.132.146.0/23
• 82.132.148.0/22
• 82.132.152.0/21
• 82.132.188.0/22
• 82.132.192.0/22
• 82.132.196.0/23
• 82.132.200.0/21
• 82.132.208.0/23
• 82.132.250.0/23
• 82.132.252.0/24
• 82.132.254.0/23
• 185.238.16.0/22

Upstream networks

• AS35228 Telefonica UK Limited

Adjacent networks

• AS35228 Telefonica UK Limited

Routing security

• RPKI: 23 valid, 0 invalid and 0 not-found announcements; 25 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 24 route objects.
• Listed in as-sets: AS-O2_BROADBAND, AS-O2_MOBILE.