Referenced Domain IPv4/IPv6 Web Statistics

Background and Methodology	IPv6 & DNSSEC SnapShots
USG IPv6 & DNSSEC Statistics	USG IPv4 Statistics
Industry IPv6 & DNSSEC Statistics	Industry IPv4 Statistics
University IPv6 & DNSSEC Statistics	University IPv4 Statistics
CFO Act Agency Summary Statistics	USG IPv6 Enabled WWW Sites

- Referenced Domain Web Statistics for 2026.09.18 -

gov.digitalpreservation. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  [v4R] 2/0.125774s  [v6R] 2/1.183321s	0.202593	136293	5.15	1.257325	136293	0.83	16%	graph
com.facebook.www  [v4R] 1/0.007513s  [v6R] 2/0.059361s	0.239247	450455	14.38	0.329304	450986	10.46	73%	graph
com.flickr.www  [v4R] 1/0.007929s  [v6R] 1/0.018203s	0.062666	58518	7.20	0.059305	58518	7.57	105%	graph
com.pinterest.www  [v4R] 1/0.014035s	0.365616	1125188	23.52	0.004116	0	0	n/a	graph
com.twitter	0.064262	16	0.00	0.006239	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.037002s  [v6R] 1/0.032848s	0.463979	886111	14.60	0.249416	886871	27.17	186%	graph
gov.digitalpreservation.www	0.000	0	0	0.000	0	0	n/a	graph
• gov.digitalpreservation.www  (https)	0.202027	19516	0.74	0.349590	19516	0.43	58%	graph
gov.digitizationguidelines.www  [v4R] 1/0.027688s  [v6R] 1/0.029982s	0.141074	22966	1.24	0.240620	22966	0.73	59%	graph
gov.loc  (https)  [v4R] 1/0.041193s  [v6R] 1/0.041604s	0.090313	73977	6.27	0.081279	73977	6.97	111%	graph
gov.loc.ask  (https)	0.389249	47282	0.93	0.009519	0	0	n/a	graph
gov.loc.blogs  [v4R] 1/0.024332s  [v6R] 1/0.031453s	0.060496	5383	0.68	0.068904	5425	0.61	89%	graph
gov.loc.catalog  (https)	0.047230	31467	5.11	0.055891	31467	4.36	85%	graph
gov.loc.labs  (https)	0.132835	132547	7.66	0.326380	132547	3.10	40%	graph
gov.loc.www  (https)	0.038487	73977	14.85	0.050205	73977	11.29	76%	graph
gov.usa.www  [v4R] 1/0.006030s  [v6R] 1/0.014979s	0.032845	48215	11.50	0.068441	48215	5.41	47%	graph
network.dpoe  [v4R] 2/0.517290s	0.811819	124901	1.17	0.030158	0	0	n/a	graph
org.archive.web  (https)	0.683645	154259	1.72	0.004122	0	0	n/a	graph
org.ndsr-program  (https)	0.062606	108088	13.30	0.005178	0	0	n/a	graph
IPv6 operational: 50% of linked subdomains (1/2), 63% of all linked domains (12/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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