IP subnet details

2a03:dd00:2000::/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:dd00:2000::/40
origin: AS35228
created: 2026-01-12T13:39:26Z
last-modified: 2026-01-12T13:39:26Z
source: RIPE
mnt-by: MNT-AVATAR

CIDR IP address subranges within 2a03:dd00:2000::/40 subnet

  • 2a03:dd00:2000:0:0:0:0:0/48
  • 2a03:dd00:2001:0:0:0:0:0/48
  • 2a03:dd00:2002:0:0:0:0:0/48
  • 2a03:dd00:2003:0:0:0:0:0/48
  • 2a03:dd00:2004:0:0:0:0:0/48
  • 2a03:dd00:2005:0:0:0:0:0/48
  • 2a03:dd00:2006:0:0:0:0:0/48
  • 2a03:dd00:2007:0:0:0:0:0/48
  • 2a03:dd00:2008:0:0:0:0:0/48
  • 2a03:dd00:2009:0:0:0:0:0/48
  • 2a03:dd00:200a:0:0:0:0:0/48
  • 2a03:dd00:200b:0:0:0:0:0/48
  • 2a03:dd00:200c:0:0:0:0:0/48
  • 2a03:dd00:200d:0:0:0:0:0/48
  • 2a03:dd00:200e:0:0:0:0:0/48
  • 2a03:dd00:200f:0:0:0:0:0/48
  • 2a03:dd00:2010:0:0:0:0:0/48
  • 2a03:dd00:2011:0:0:0:0:0/48
  • 2a03:dd00:2012:0:0:0:0:0/48
  • 2a03:dd00:2013:0:0:0:0:0/48
  • 2a03:dd00:2014:0:0:0:0:0/48
  • 2a03:dd00:2015:0:0:0:0:0/48
  • 2a03:dd00:2016:0:0:0:0:0/48
  • 2a03:dd00:2017:0:0:0:0:0/48
  • 2a03:dd00:2018:0:0:0:0:0/48
  • 2a03:dd00:2019:0:0:0:0:0/48
  • 2a03:dd00:201a:0:0:0:0:0/48
  • 2a03:dd00:201b:0:0:0:0:0/48
  • 2a03:dd00:201c:0:0:0:0:0/48
  • 2a03:dd00:201d:0:0:0:0:0/48
  • 2a03:dd00:201e:0:0:0:0:0/48
  • 2a03:dd00:201f:0:0:0:0:0/48
  • 2a03:dd00:2020:0:0:0:0:0/48
  • 2a03:dd00:2021:0:0:0:0:0/48
  • 2a03:dd00:2022:0:0:0:0:0/48
  • 2a03:dd00:2023:0:0:0:0:0/48
  • 2a03:dd00:2024:0:0:0:0:0/48
  • 2a03:dd00:2025:0:0:0:0:0/48
  • 2a03:dd00:2026:0:0:0:0:0/48
  • 2a03:dd00:2027:0:0:0:0:0/48
  • 2a03:dd00:2028:0:0:0:0:0/48
  • 2a03:dd00:2029:0:0:0:0:0/48
  • 2a03:dd00:202a:0:0:0:0:0/48
  • 2a03:dd00:202b:0:0:0:0:0/48
  • 2a03:dd00:202c:0:0:0:0:0/48
  • 2a03:dd00:202d:0:0:0:0:0/48
  • 2a03:dd00:202e:0:0:0:0:0/48
  • 2a03:dd00:202f:0:0:0:0:0/48
  • 2a03:dd00:2030:0:0:0:0:0/48
  • 2a03:dd00:2031:0:0:0:0:0/48
  • 2a03:dd00:2032:0:0:0:0:0/48
  • 2a03:dd00:2033:0:0:0:0:0/48
  • 2a03:dd00:2034:0:0:0:0:0/48
  • 2a03:dd00:2035:0:0:0:0:0/48
  • 2a03:dd00:2036:0:0:0:0:0/48
  • 2a03:dd00:2037:0:0:0:0:0/48
  • 2a03:dd00:2038:0:0:0:0:0/48
  • 2a03:dd00:2039:0:0:0:0:0/48
  • 2a03:dd00:203a:0:0:0:0:0/48
  • 2a03:dd00:203b:0:0:0:0:0/48
  • 2a03:dd00:203c:0:0:0:0:0/48
  • 2a03:dd00:203d:0:0:0:0:0/48
  • 2a03:dd00:203e:0:0:0:0:0/48
  • 2a03:dd00:203f:0:0:0:0:0/48
  • 2a03:dd00:2040:0:0:0:0:0/48
  • 2a03:dd00:2041:0:0:0:0:0/48
  • 2a03:dd00:2042:0:0:0:0:0/48
  • 2a03:dd00:2043:0:0:0:0:0/48
  • 2a03:dd00:2044:0:0:0:0:0/48
  • 2a03:dd00:2045:0:0:0:0:0/48
  • 2a03:dd00:2046:0:0:0:0:0/48
  • 2a03:dd00:2047:0:0:0:0:0/48
  • 2a03:dd00:2048:0:0:0:0:0/48
  • 2a03:dd00:2049:0:0:0:0:0/48
  • 2a03:dd00:204a:0:0:0:0:0/48
  • 2a03:dd00:204b:0:0:0:0:0/48
  • 2a03:dd00:204c:0:0:0:0:0/48
  • 2a03:dd00:204d:0:0:0:0:0/48
  • 2a03:dd00:204e:0:0:0:0:0/48
  • 2a03:dd00:204f:0:0:0:0:0/48
  • 2a03:dd00:2050:0:0:0:0:0/48
  • 2a03:dd00:2051:0:0:0:0:0/48
  • 2a03:dd00:2052:0:0:0:0:0/48
  • 2a03:dd00:2053:0:0:0:0:0/48
  • 2a03:dd00:2054:0:0:0:0:0/48
  • 2a03:dd00:2055:0:0:0:0:0/48
  • 2a03:dd00:2056:0:0:0:0:0/48
  • 2a03:dd00:2057:0:0:0:0:0/48
  • 2a03:dd00:2058:0:0:0:0:0/48
  • 2a03:dd00:2059:0:0:0:0:0/48
  • 2a03:dd00:205a:0:0:0:0:0/48
  • 2a03:dd00:205b:0:0:0:0:0/48
  • 2a03:dd00:205c:0:0:0:0:0/48
  • 2a03:dd00:205d:0:0:0:0:0/48
  • 2a03:dd00:205e:0:0:0:0:0/48
  • 2a03:dd00:205f:0:0:0:0:0/48
  • 2a03:dd00:2060:0:0:0:0:0/48
  • 2a03:dd00:2061:0:0:0:0:0/48
  • 2a03:dd00:2062:0:0:0:0:0/48
  • 2a03:dd00:2063:0:0:0:0:0/48
  • 2a03:dd00:2064:0:0:0:0:0/48
  • 2a03:dd00:2065:0:0:0:0:0/48
  • 2a03:dd00:2066:0:0:0:0:0/48
  • 2a03:dd00:2067:0:0:0:0:0/48
  • 2a03:dd00:2068:0:0:0:0:0/48
  • 2a03:dd00:2069:0:0:0:0:0/48
  • 2a03:dd00:206a:0:0:0:0:0/48
  • 2a03:dd00:206b:0:0:0:0:0/48
  • 2a03:dd00:206c:0:0:0:0:0/48
  • 2a03:dd00:206d:0:0:0:0:0/48
  • 2a03:dd00:206e:0:0:0:0:0/48
  • 2a03:dd00:206f:0:0:0:0:0/48
  • 2a03:dd00:2070:0:0:0:0:0/48
  • 2a03:dd00:2071:0:0:0:0:0/48
  • 2a03:dd00:2072:0:0:0:0:0/48
  • 2a03:dd00:2073:0:0:0:0:0/48
  • 2a03:dd00:2074:0:0:0:0:0/48
  • 2a03:dd00:2075:0:0:0:0:0/48
  • 2a03:dd00:2076:0:0:0:0:0/48
  • 2a03:dd00:2077:0:0:0:0:0/48
  • 2a03:dd00:2078:0:0:0:0:0/48
  • 2a03:dd00:2079:0:0:0:0:0/48
  • 2a03:dd00:207a:0:0:0:0:0/48
  • 2a03:dd00:207b:0:0:0:0:0/48
  • 2a03:dd00:207c:0:0:0:0:0/48
  • 2a03:dd00:207d:0:0:0:0:0/48
  • 2a03:dd00:207e:0:0:0:0:0/48
  • 2a03:dd00:207f:0:0:0:0:0/48
  • 2a03:dd00:2080:0:0:0:0:0/48
  • 2a03:dd00:2081:0:0:0:0:0/48
  • 2a03:dd00:2082:0:0:0:0:0/48
  • 2a03:dd00:2083:0:0:0:0:0/48
  • 2a03:dd00:2084:0:0:0:0:0/48
  • 2a03:dd00:2085:0:0:0:0:0/48
  • 2a03:dd00:2086:0:0:0:0:0/48
  • 2a03:dd00:2087:0:0:0:0:0/48
  • 2a03:dd00:2088:0:0:0:0:0/48
  • 2a03:dd00:2089:0:0:0:0:0/48
  • 2a03:dd00:208a:0:0:0:0:0/48
  • 2a03:dd00:208b:0:0:0:0:0/48
  • 2a03:dd00:208c:0:0:0:0:0/48
  • 2a03:dd00:208d:0:0:0:0:0/48
  • 2a03:dd00:208e:0:0:0:0:0/48
  • 2a03:dd00:208f:0:0:0:0:0/48
  • 2a03:dd00:2090:0:0:0:0:0/48
  • 2a03:dd00:2091:0:0:0:0:0/48
  • 2a03:dd00:2092:0:0:0:0:0/48
  • 2a03:dd00:2093:0:0:0:0:0/48
  • 2a03:dd00:2094:0:0:0:0:0/48
  • 2a03:dd00:2095:0:0:0:0:0/48
  • 2a03:dd00:2096:0:0:0:0:0/48
  • 2a03:dd00:2097:0:0:0:0:0/48
  • 2a03:dd00:2098:0:0:0:0:0/48
  • 2a03:dd00:2099:0:0:0:0:0/48
  • 2a03:dd00:209a:0:0:0:0:0/48
  • 2a03:dd00:209b:0:0:0:0:0/48
  • 2a03:dd00:209c:0:0:0:0:0/48
  • 2a03:dd00:209d:0:0:0:0:0/48
  • 2a03:dd00:209e:0:0:0:0:0/48
  • 2a03:dd00:209f:0:0:0:0:0/48
  • 2a03:dd00:20a0:0:0:0:0:0/48
  • 2a03:dd00:20a1:0:0:0:0:0/48
  • 2a03:dd00:20a2:0:0:0:0:0/48
  • 2a03:dd00:20a3:0:0:0:0:0/48
  • 2a03:dd00:20a4:0:0:0:0:0/48
  • 2a03:dd00:20a5:0:0:0:0:0/48
  • 2a03:dd00:20a6:0:0:0:0:0/48
  • 2a03:dd00:20a7:0:0:0:0:0/48
  • 2a03:dd00:20a8:0:0:0:0:0/48
  • 2a03:dd00:20a9:0:0:0:0:0/48
  • 2a03:dd00:20aa:0:0:0:0:0/48
  • 2a03:dd00:20ab:0:0:0:0:0/48
  • 2a03:dd00:20ac:0:0:0:0:0/48
  • 2a03:dd00:20ad:0:0:0:0:0/48
  • 2a03:dd00:20ae:0:0:0:0:0/48
  • 2a03:dd00:20af:0:0:0:0:0/48
  • 2a03:dd00:20b0:0:0:0:0:0/48
  • 2a03:dd00:20b1:0:0:0:0:0/48
  • 2a03:dd00:20b2:0:0:0:0:0/48
  • 2a03:dd00:20b3:0:0:0:0:0/48
  • 2a03:dd00:20b4:0:0:0:0:0/48
  • 2a03:dd00:20b5:0:0:0:0:0/48
  • 2a03:dd00:20b6:0:0:0:0:0/48
  • 2a03:dd00:20b7:0:0:0:0:0/48
  • 2a03:dd00:20b8:0:0:0:0:0/48
  • 2a03:dd00:20b9:0:0:0:0:0/48
  • 2a03:dd00:20ba:0:0:0:0:0/48
  • 2a03:dd00:20bb:0:0:0:0:0/48
  • 2a03:dd00:20bc:0:0:0:0:0/48
  • 2a03:dd00:20bd:0:0:0:0:0/48
  • 2a03:dd00:20be:0:0:0:0:0/48
  • 2a03:dd00:20bf:0:0:0:0:0/48
  • 2a03:dd00:20c0:0:0:0:0:0/48
  • 2a03:dd00:20c1:0:0:0:0:0/48
  • 2a03:dd00:20c2:0:0:0:0:0/48
  • 2a03:dd00:20c3:0:0:0:0:0/48
  • 2a03:dd00:20c4:0:0:0:0:0/48
  • 2a03:dd00:20c5:0:0:0:0:0/48
  • 2a03:dd00:20c6:0:0:0:0:0/48
  • 2a03:dd00:20c7:0:0:0:0:0/48
  • 2a03:dd00:20c8:0:0:0:0:0/48
  • 2a03:dd00:20c9:0:0:0:0:0/48
  • 2a03:dd00:20ca:0:0:0:0:0/48
  • 2a03:dd00:20cb:0:0:0:0:0/48
  • 2a03:dd00:20cc:0:0:0:0:0/48
  • 2a03:dd00:20cd:0:0:0:0:0/48
  • 2a03:dd00:20ce:0:0:0:0:0/48
  • 2a03:dd00:20cf:0:0:0:0:0/48
  • 2a03:dd00:20d0:0:0:0:0:0/48
  • 2a03:dd00:20d1:0:0:0:0:0/48
  • 2a03:dd00:20d2:0:0:0:0:0/48
  • 2a03:dd00:20d3:0:0:0:0:0/48
  • 2a03:dd00:20d4:0:0:0:0:0/48
  • 2a03:dd00:20d5:0:0:0:0:0/48
  • 2a03:dd00:20d6:0:0:0:0:0/48
  • 2a03:dd00:20d7:0:0:0:0:0/48
  • 2a03:dd00:20d8:0:0:0:0:0/48
  • 2a03:dd00:20d9:0:0:0:0:0/48
  • 2a03:dd00:20da:0:0:0:0:0/48
  • 2a03:dd00:20db:0:0:0:0:0/48
  • 2a03:dd00:20dc:0:0:0:0:0/48
  • 2a03:dd00:20dd:0:0:0:0:0/48
  • 2a03:dd00:20de:0:0:0:0:0/48
  • 2a03:dd00:20df:0:0:0:0:0/48
  • 2a03:dd00:20e0:0:0:0:0:0/48
  • 2a03:dd00:20e1:0:0:0:0:0/48
  • 2a03:dd00:20e2:0:0:0:0:0/48
  • 2a03:dd00:20e3:0:0:0:0:0/48
  • 2a03:dd00:20e4:0:0:0:0:0/48
  • 2a03:dd00:20e5:0:0:0:0:0/48
  • 2a03:dd00:20e6:0:0:0:0:0/48
  • 2a03:dd00:20e7:0:0:0:0:0/48
  • 2a03:dd00:20e8:0:0:0:0:0/48
  • 2a03:dd00:20e9:0:0:0:0:0/48
  • 2a03:dd00:20ea:0:0:0:0:0/48
  • 2a03:dd00:20eb:0:0:0:0:0/48
  • 2a03:dd00:20ec:0:0:0:0:0/48
  • 2a03:dd00:20ed:0:0:0:0:0/48
  • 2a03:dd00:20ee:0:0:0:0:0/48
  • 2a03:dd00:20ef:0:0:0:0:0/48
  • 2a03:dd00:20f0:0:0:0:0:0/48
  • 2a03:dd00:20f1:0:0:0:0:0/48
  • 2a03:dd00:20f2:0:0:0:0:0/48
  • 2a03:dd00:20f3:0:0:0:0:0/48
  • 2a03:dd00:20f4:0:0:0:0:0/48
  • 2a03:dd00:20f5:0:0:0:0:0/48
  • 2a03:dd00:20f6:0:0:0:0:0/48
  • 2a03:dd00:20f7:0:0:0:0:0/48
  • 2a03:dd00:20f8:0:0:0:0:0/48
  • 2a03:dd00:20f9:0:0:0:0:0/48
  • 2a03:dd00:20fa:0:0:0:0:0/48
  • 2a03:dd00:20fb:0:0:0:0:0/48
  • 2a03:dd00:20fc:0:0:0:0:0/48
  • 2a03:dd00:20fd:0:0:0:0:0/48
  • 2a03:dd00:20fe:0:0:0:0:0/48
  • 2a03:dd00:20ff:0:0:0:0:0/48

Get started with 100,000 free lookups: sign up