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 2025.12.23 -

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] 1/0.150522s  [v6R] 1/0.108126s	0.184544	130123	5.40	0.145753	130123	6.85	127%	graph
com.facebook.www  (https)  [v6R] 1/0.095013s	0.149869	80149	4.10	0.248298	82617	2.54	62%	graph
com.flickr.www  (https)	0.042510	46991	8.54	0.048782	46991	7.47	88%	graph
com.instagram  (https)  [v4R] 1/0.044154s  [v6R] 1/0.045375s	0.329659	809428	18.77	0.344558	818383	18.15	97%	graph
com.myshopify.library-of-congress-shop  (https)	0.115509	220895	14.65	0.119147	221888	14.23	97%	graph
com.pinterest.www  (https)	1.647912	827039	3.83	0.003032	0	0	n/a	graph
com.x  (https)	0.108973	229375	16.20	0.003033	0	0	n/a	graph
com.youtube.www  (https)	0.244034	687650	21.50	0.231351	688787	22.75	106%	graph
gov.congress.www  (https)	0.041193	7002	1.30	0.041030	7066	1.31	101%	graph
gov.copyright  [v4R] 1/0.034680s  [v6R] 1/0.032592s	0.081692	55876	5.26	0.094804	55876	4.54	86%	graph
gov.copyright  (https)	0.150477	55876	2.84	0.060293	55876	7.10	250%	graph
• gov.libraryofcongress.www  (https)  [v4R] 1/0.055848s  [v6R] 1/0.046384s	0.167822	197390	9.02	0.116320	197390	12.98	144%	graph
gov.loc  (https)  [v4R] 1/0.077814s  [v6R] 1/0.057783s	0.131050	197390	11.50	0.107289	197390	14.07	122%	graph
gov.loc.ask  (https)	0.087562	45985	4.03	0.006372	0	0	n/a	graph
gov.loc.blogs  (https)	0.045642	52997	8.99	0.053375	52997	7.63	85%	graph
gov.loc.catalog  (https)	0.043070	29328	5.20	0.042949	29328	5.33	102%	graph
gov.loc.lcm  (https)	0.086798	182423	16.18	0.052030	182423	26.76	165%	graph
gov.loc.newsroom  (https)	0.123763	103338	6.41	0.100287	103338	7.88	123%	graph
gov.loc.www  [v4R] 1/0.137697s  [v6R] 1/0.138644s	0.209270	197390	7.21	0.200866	197390	7.53	105%	graph
gov.loc.www  (https)	0.067555	197390	22.48	0.069044	197390	21.83	97%	graph
net.research.www  (https)	0.071388	244085	26.23	0.003050	0	0	n/a	graph
org.purl  [v4R] 2/0.366337s	1.378251	5368	0.03	0.040409	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 77% of all linked domains (17/22)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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