United Kingdom of Great Britain and Northern Ireland
Users able to use IPv6 (APNIC)
54.3%
Source: APNIC Labs IPv6 measurement · as of 2026-10-14
Users preferring IPv6 (APNIC)
53.4%
Source: APNIC Labs IPv6 measurement · as of 2026-10-14
APNIC measurement samples
15,282,908
Source: APNIC Labs IPv6 measurement · as of 2026-10-14
IPv6 users (Cisco 6lab)
33.8%
Source: Cisco 6lab statistics (community mirror) · as of 2026-10-14
IPv6 allocated (/32 equivalents)
21,144
APNIC, ARIN, RIPE NCC
Source: APNIC delegation file, ARIN delegation file (extended), RIPE NCC delegation file · as of 2026-10-14
Top websites on IPv6
Share of the country's top websites fully reachable over IPv6: web 34.0%, email 42.0%, DNS 88.0%.
Source: Vyncke IPv6 deployment status (top websites per country) · as of 2026-10-14
History
Source: APNIC Labs per-economy history and networks · as of 2026-10-14
Largest networks
| Network | IPv6-capable | Prefers IPv6 | Samples |
|---|---|---|---|
| AS2856 BT-UK-AS - British Telecommunications Limited | 89.9% | 89.2% | 3,998,420 |
| AS5607 BSKYB-BROADBAND-AS - Sky UK Limited | 93.5% | 92.4% | 3,183,715 |
| AS5089 NTL - Virgin Media Limited | 0.7% | 0.1% | 2,873,022 |
| AS13285 OPALTELECOM-AS - TalkTalk Communications Limited | 0.5% | 0.1% | 875,294 |
| AS5378 unspecified - Vodafone Limited | 90.1% | 89.6% | 854,509 |
| AS6871 Plusnet - British Telecommunications Limited | 0.7% | 0.1% | 406,976 |
| AS206067 H3GUK - Hutchison 3G UK Limited | 49.4% | 49.0% | 294,740 |
| AS35228 O2BROADBAND - Telefonica UK Limited | 1.0% | 0.7% | 253,212 |
| AS25135 vodafone_uk_asn - Vodafone Limited | 3.2% | 3.0% | 196,053 |
| AS212655 youfibre - YouFibre Limited | 85.0% | 83.7% | 152,235 |
| AS56478 BCUBE-AS - Hyperoptic Ltd | 77.5% | 76.9% | 107,286 |
| AS51809 BRSK - BRSK Limited | 81.5% | 79.4% | 85,583 |
| AS56329 GIGACLEAR - Gigaclear Limited | 83.6% | 82.0% | 81,641 |
| AS12390 KINGSTON-UK-AS - KCOM Group Limited | 0.5% | 0.1% | 74,396 |
| AS13037 ZEN-AS - Zen Internet Ltd | 30.3% | 29.6% | 73,156 |
| AS16509 AMAZON-02 - Amazon.com, Inc. | 1.6% | 1.3% | 70,364 |
| AS202282 Fibrus - FIBRUS NETWORKS LTD | 17.3% | 16.8% | 63,988 |
| AS60377 TOOB - toob limited | 78.1% | 76.9% | 62,182 |
| AS14593 SPACEX-STARLINK - Space Exploration Technologies Corporation | 61.0% | 59.2% | 60,415 |
| AS16276 OVH - OVH SAS | 63.8% | 53.0% | 49,260 |
Source: APNIC Labs per-economy history and networks · as of 2026-10-14