IP subnet details

2a03:dd00:2300::/40

AS35228  — Telefonica UK Limited

Summary

Country
GB United Kingdom
Domain o2.com
Size 309,485,009,821,345,100,000,000,000
Registry RIPE NCC
Network Name UK-O2UK-20110418

Whois

inet6num: 2a03:dd00::/32
netname: UK-O2UK-20110418
country: GB
org: ORG-TOUL2-RIPE
admin-c: OUIS1-RIPE
admin-c: OUSO1-RIPE
tech-c: OUIS1-RIPE
tech-c: OUSO1-RIPE
status: ALLOCATED-BY-RIR
mnt-by: RIPE-NCC-HM-MNT
mnt-by: O2UK-MNT
mnt-routes: O2UK-MNT
notify: [email protected]
created: 2011-04-18T14:45:19Z
last-modified: 2017-01-04T17:28:05Z
source: RIPE

organisation: ORG-TOUL2-RIPE
org-name: Telefonica UK Limited
country: GB
reg-nr: 01743099
org-type: LIR
address: 500 Brook Drive
address: RG2 6UU
address: Reading
address: UNITED KINGDOM
phone: +44 1753 206403
e-mail: [email protected]
mnt-ref: O2UK-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: O2UK-MNT
abuse-c: OUIS1-RIPE
created: 2009-04-16T07:15:49Z
last-modified: 2026-05-13T07:08:38Z
source: RIPE

role: O2 UK IP Space Management
address: Telefonica UK
address: 500 Brook Drive
address: RG2 6UU
address: Reading
mnt-by: O2UK-MNT
abuse-mailbox: [email protected]
e-mail: [email protected]
admin-c: ML18503-RIPE
tech-c: ML18503-RIPE
nic-hdl: OUIS1-RIPE
created: 2009-07-09T16:27:15Z
last-modified: 2025-02-05T13:55:17Z
source: RIPE

role: O2 UK Service Operations Role
address: 354 Buckingham Avenue
address: Slough
address: Berkshire
address: United Kingdom
address: SL1 4PF
mnt-by: O2UK-MNT
abuse-mailbox: [email protected]
e-mail: [email protected]
admin-c: AC8454-RIPE
tech-c: AC8454-RIPE
nic-hdl: OUSO1-RIPE
created: 2006-03-07T15:38:56Z
last-modified: 2017-03-15T11:22:29Z
source: RIPE

route6: 2a03:dd00:2300::/40
origin: As35228
created: 2026-01-12T14:27:19Z
last-modified: 2026-01-12T14:27:19Z
source: RIPE
mnt-by: MNT-AVATAR

CIDR IP address subranges within 2a03:dd00:2300::/40 subnet

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