United States of America

Users able to use IPv6 (APNIC)

61.9%

Source: APNIC Labs IPv6 measurement · as of 2026-10-14

Users preferring IPv6 (APNIC)

59.9%

Source: APNIC Labs IPv6 measurement · as of 2026-10-14

APNIC measurement samples

97,679,957

Source: APNIC Labs IPv6 measurement · as of 2026-10-14

IPv6 users (Cisco 6lab)

57.2%

Source: Cisco 6lab statistics (community mirror) · as of 2026-10-14

IPv6 allocated (/32 equivalents)

147,635

APNIC, ARIN, LACNIC, RIPE NCC

Source: APNIC delegation file, ARIN delegation file (extended), LACNIC delegation file, 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 50.0%, email 52.0%, DNS 92.0%.

Source: Vyncke IPv6 deployment status (top websites per country) · as of 2026-10-14

Source: APNIC Labs per-economy history and networks · as of 2026-10-14

Network	IPv6-capable	Prefers IPv6	Samples
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC	85.3%	83.6%	16,629,912
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC	86.0%	83.2%	11,235,762
AS21928 T-MOBILE-AS21928 - T-Mobile USA, Inc.	94.3%	93.3%	7,059,205
AS6167 CELLCO-PART - Verizon Business	94.7%	93.8%	6,617,273
AS20115 CHARTER-20115 - Charter Communications LLC	66.1%	64.8%	4,706,769
AS701 UUNET - Verizon Business	67.7%	65.7%	4,478,638
AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.	77.3%	75.8%	3,016,534
AS10796 TWC-10796-MIDWEST - Charter Communications Inc	74.0%	72.6%	2,813,698
AS5650 FRONTIER-FRTR - Frontier Communications of America, Inc.	23.9%	21.6%	1,859,956
AS20001 TWC-20001-PACWEST - Charter Communications Inc	69.1%	67.2%	1,810,313
AS14593 SPACEX-STARLINK - Space Exploration Technologies Corporation	87.5%	85.4%	1,605,998
AS11426 TWC-11426-CAROLINAS - Charter Communications Inc	76.6%	75.2%	1,539,701
AS11351 TWC-11351-NORTHEAST - Charter Communications Inc	71.6%	70.3%	1,493,387
AS11427 TWC-11427-TEXAS - Charter Communications Inc	80.9%	79.6%	1,434,329
AS33363 BHN-33363 - Charter Communications, Inc	80.1%	78.9%	1,374,466
AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC	1.8%	0.2%	1,303,816
AS6128 CABLE-NET-1 - Cablevision Systems Corp.	32.1%	30.3%	1,156,885
AS19108 SUDDENLINK-COMMUNICATIONS - Optimum	1.6%	0.1%	805,685
AS7029 WINDSTREAM - Windstream Communications LLC	2.0%	1.0%	739,378
AS16591 GOOGLE-FIBER - Google Fiber Inc.	56.8%	54.5%	667,919

Source: APNIC Labs per-economy history and networks · as of 2026-10-14

NIST tests 1,320 federal .gov domains for IPv6 on their DNS, mail and web services.

Domains with IPv6 web

707

Source: NIST USGv6 deployment monitor (.gov domains) · as of 2026-10-14

Domains with IPv6 mail

368

Source: NIST USGv6 deployment monitor (.gov domains) · as of 2026-10-14

Domains with IPv6 DNS

1,225

Source: NIST USGv6 deployment monitor (.gov domains) · as of 2026-10-14

Agency	Domains	IPv6 web	IPv6 mail	IPv6 DNS
Department of Health and Human Services	121	63	27	120
General Services Administration	90	42	15	88
Department of the Treasury	87	52	28	87
Executive Office of the President	69	50	8	63
Department of Commerce	64	38	23	64
Department of the Interior	64	27	27	63
Department of Justice	62	45	23	62
Department of Energy	60	23	25	58
Department of Defense	41	20	7	22
Department of Homeland Security	41	36	1	40
Library of Congress	34	25	1	34
National Archives and Records Administration	32	27	1	31
Department of Agriculture	30	7	9	27
Department of State	30	11	7	25
United States House of Representatives	29	19	0	29
Department of Labor	28	13	10	26
Office of Personnel Management	22	12	5	21
.gov Administration	21	3	1	19
Department of Transportation	19	16	3	18
Government Publishing Office	16	11	1	12
Office of the Director of National Intelligence	15	9	4	12
Architect of the Capitol	14	4	0	8
Federal Trade Commission	14	8	5	14
Administrative Office of the United States Courts	13	8	1	11
Board of Governors of the Federal Reserve	13	7	0	12

Source: NIST USGv6 deployment monitor (.gov domains) · as of 2026-10-14