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 2026.07.21 -

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] 1/0.273759s  [v6R] 1/0.121871s	0.589252	135609	1.76	0.181868	135609	5.72	325%	graph
com.facebook.www  (https)	0.741586	422323	4.35	0.512056	422693	6.30	145%	graph
com.flickr.www  (https)	0.081845	57606	5.43	0.082864	57606	5.36	99%	graph
com.instagram  (https)  [v4R] 1/0.055967s  [v6R] 1/0.079669s	0.558342	396425	5.42	0.644335	396167	4.69	87%	graph
com.linkedin.www  (https)	0.210417	141608	5.14	0.182945	141608	5.94	115%	graph
com.myshopify.library-of-congress-shop  (https)	0.112436	18	0.00	0.070777	18	0.00	161%	graph
com.pinterest.www  (https)	0.251666	949426	28.86	0.008475	0	0	n/a	graph
com.x  (https)	0.211255	266111	9.62	0.003032	0	0	n/a	graph
com.youtube.www  (https)	0.296754	837390	21.58	0.290519	836054	22.00	102%	graph
gov.congress.www  (https)	0.069932	5343	0.59	0.050135	5385	0.82	139%	graph
gov.copyright  [v4R] 1/0.020358s  [v6R] 1/0.036780s	0.060052	54827	6.97	0.288435	54827	1.45	21%	graph
gov.copyright  (https)	0.070360	54827	5.98	0.065732	54827	6.44	108%	graph
• gov.libraryofcongress.www  (https)  [v4R] 1/0.046518s  [v6R] 1/0.039334s	0.109233	90037	6.30	0.109039	90037	6.30	100%	graph
gov.loc  (https)  [v4R] 1/0.054997s  [v6R] 1/0.042382s	0.135863	90037	5.09	0.103221	90037	6.67	131%	graph
gov.loc.ask  (https)	0.165831	46782	2.16	0.006274	0	0	n/a	graph
gov.loc.blogs  (https)	0.057834	53906	7.22	0.065460	53906	6.33	88%	graph
gov.loc.catalog  (https)	0.248906	31404	0.97	0.041156	31404	5.84	605%	graph
gov.loc.lcm  (https)	0.139833	189402	10.40	0.119834	189402	12.14	117%	graph
gov.loc.newsroom  (https)	0.086400	919	0.08	0.034306	919	0.21	253%	graph
gov.loc.www  [v4R] 1/0.214359s  [v6R] 1/0.062051s	0.279417	90037	2.46	0.117089	90037	5.87	238%	graph
gov.loc.www  (https)	0.065879	90037	10.57	0.060282	90037	11.45	108%	graph
gov.usa.www  (https)	0.295044	47199	1.22	0.028408	47199	12.86	1054%	graph
net.research.www  (https)	0.081724	198008	18.65	0.010693	0	0	n/a	graph
org.purl  [v4R] 2/0.402088s	1.409447	5368	0.03	0.003031	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 79% of all linked domains (19/24)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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