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 2026.09.14 -

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] 2/0.306277s  [v6R] 2/0.084358s	0.579193	136293	1.80	0.167700	136293	6.23	347%	graph
com.facebook.www  [v4R] 2/0.107706s  [v6R] 2/0.096398s	2.837081	451032	1.21	2.995785	451243	1.15	95%	graph
com.flickr.www  [v4R] 1/0.022042s  [v6R] 1/0.015953s	1.106679	57606	0.40	0.081085	57606	5.43	1365%	graph
com.pinterest.www  [v4R] 1/0.229601s	0.621131	1118787	13.75	0.003032	0	0	n/a	graph
com.twitter	0.071272	16	0.00	0.004484	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.039872s  [v6R] 1/0.334650s	1.331489	878012	5.03	0.552683	876245	12.11	241%	graph
gov.digitalpreservation.www	0.000	0	0	0.000	0	0	n/a	graph
• gov.digitalpreservation.www  (https)	0.224598	19516	0.66	0.686862	19516	0.22	33%	graph
gov.digitizationguidelines.www  [v4R] 1/0.035883s  [v6R] 1/0.035884s	0.221058	14432	0.50	0.169416	14432	0.65	131%	graph
gov.loc  (https)  [v4R] 1/0.051240s  [v6R] 1/0.047673s	0.104268	73979	5.43	0.106172	73979	5.32	98%	graph
gov.loc.ask  (https)	0.477330	47282	0.76	0.006371	0	0	n/a	graph
gov.loc.blogs  [v4R] 1/0.050046s  [v6R] 1/0.026755s	0.097768	5404	0.43	0.079058	5446	0.53	124%	graph
gov.loc.catalog  (https)	2.264739	31466	0.11	0.075370	31466	3.20	3019%	graph
gov.loc.labs  (https)	0.000	0	0	0.338685	132546	2.99	n/a	graph
gov.loc.www  (https)	0.089051	73979	6.34	2.372828	73979	0.24	4%	graph
gov.usa.www  [v4R] 1/0.006931s  [v6R] 1/0.010576s	0.259193	47379	1.40	0.040820	47379	9.04	648%	graph
network.dpoe  [v4R] 2/0.511205s	0.885482	124887	1.08	0.052329	0	0	n/a	graph
org.archive.web  (https)	0.000	0	0	0.006241	0	0	n/a	graph
org.ndsr-program  (https)	0.095979	108165	8.69	0.005180	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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