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 2026.07.01 -

gov.libraryofcongress. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  (https)  [v4R] 1/0.062323s  [v6R] 1/0.157703s	0.184835	135607	5.62	0.472128	135607	2.19	39%	graph
com.facebook.www  (https)	0.000	0	0	1.043665	428532	3.13	n/a	graph
com.flickr.www  (https)	0.092432	57433	4.76	0.320382	57433	1.37	29%	graph
com.instagram  (https)  [v4R] 1/0.046506s  [v6R] 1/1.126747s	0.673925	411779	4.67	1.743337	411696	1.80	39%	graph
com.linkedin.www  (https)	0.432857	141606	2.50	0.405041	141606	2.67	107%	graph
com.myshopify.library-of-congress-shop  (https)	0.398876	231750	4.44	0.172976	231750	10.28	231%	graph
com.pinterest.www  (https)	1.311424	930449	5.41	0.003027	0	0	n/a	graph
com.x  (https)	0.517955	280445	4.14	0.003029	0	0	n/a	graph
com.youtube.www  (https)	0.276117	770512	21.30	0.317100	768940	18.51	87%	graph
gov.congress.www  (https)	0.000	0	0	0.255891	5385	0.16	n/a	graph
gov.copyright  [v4R] 1/0.032532s  [v6R] 1/0.023258s	0.299210	55914	1.43	0.072287	55914	5.92	415%	graph
gov.copyright  (https)	0.047151	55914	9.08	0.058609	55914	7.35	81%	graph
• gov.libraryofcongress.www  (https)  [v4R] 1/0.290763s  [v6R] 1/0.059665s	0.569613	182614	2.45	0.175594	182614	7.96	325%	graph
gov.loc  (https)  [v4R] 1/0.266458s  [v6R] 1/0.672293s	0.368314	182614	3.79	0.799539	182614	1.74	46%	graph
gov.loc.ask  (https)	0.164555	46738	2.17	0.007367	0	0	n/a	graph
gov.loc.blogs  (https)	0.049083	54298	8.45	0.345424	54298	1.20	14%	graph
gov.loc.catalog  (https)	0.286529	32938	0.88	1.104405	32938	0.23	26%	graph
gov.loc.lcm  (https)	0.234900	187944	6.13	0.479420	187944	2.99	49%	graph
gov.loc.newsroom  (https)	1.281473	919	0.01	0.060602	919	0.12	2136%	graph
gov.loc.www  [v4R] 1/1.138638s  [v6R] 1/1.128325s	1.254652	182614	1.11	1.223956	182614	1.14	103%	graph
gov.loc.www  (https)	0.063730	182614	22.11	0.063877	182614	22.11	100%	graph
net.research.www  (https)	0.135807	197523	11.16	0.010543	0	0	n/a	graph
org.purl  [v4R] 2/1.118393s	2.131255	5368	0.02	0.052169	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 78% of all linked domains (18/23)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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