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.americaslibrary. | 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] 1/0.089582s  [v6R] 1/0.127647s	0.123707	130123	8.07	0.183029	130123	5.42	67%	graph
com.facebook.www  (https)	0.141576	80166	4.34	0.308509	441543	10.94	252%	graph
com.flickr  (https)	0.047923	46991	7.63	0.004120	0	0	n/a	graph
com.flickr.www  (https)	0.036022	46991	9.96	0.039347	46991	9.19	92%	graph
com.imaginationlibrary  (https)	0.048616	164272	26.11	0.047563	164272	26.67	102%	graph
com.instagram  (https)  [v4R] 1/0.044789s  [v6R] 1/0.052732s	0.390892	368640	7.21	0.340788	807518	18.12	251%	graph
com.myshopify.library-of-congress-shop  (https)	0.238703	220844	7.08	0.144205	220844	11.70	165%	graph
com.pinterest.www  (https)	0.240418	827003	26.29	0.003034	0	0	n/a	graph
com.x  (https)	0.104727	229406	16.83	0.005202	0	0	n/a	graph
com.youtube.www  (https)	0.206898	688908	25.51	0.211180	686780	24.83	97%	graph
• gov.americaslibrary.www  (https)  [v4R] 1/0.056069s  [v6R] 1/0.049685s	0.106653	120921	8.70	0.098259	120921	9.41	108%	graph
gov.congress.www  (https)	0.038731	7002	1.41	0.033576	7044	1.63	116%	graph
gov.copyright  [v4R] 1/0.061506s  [v6R] 1/0.041608s	0.108130	55876	3.95	0.093202	55876	4.58	116%	graph
gov.copyright  (https)	0.062012	55876	6.88	0.068514	55876	6.27	91%	graph
gov.loc  (https)  [v4R] 1/0.063338s  [v6R] 1/0.071080s	0.107364	197391	14.07	0.163798	197391	9.24	66%	graph
gov.loc.ask  (https)	0.105826	45985	3.34	0.008943	0	0	n/a	graph
gov.loc.blogs  (https)	0.056209	52997	7.22	0.080515	52997	5.05	70%	graph
gov.loc.catalog  (https)	0.050898	29328	4.48	0.046879	29328	4.86	109%	graph
gov.loc.chroniclingamerica  (https)  [v4R] 2/0.103511s  [v6R] 2/0.099985s	0.146152	600436	31.38	0.155831	600436	29.55	94%	graph
gov.loc.guides  (https)	0.068739	26590	2.98	0.067373	26590	3.03	101%	graph
gov.loc.newsroom  (https)	0.366827	103338	2.15	0.090274	103338	8.76	407%	graph
gov.loc.www  [v4R] 1/0.116421s  [v6R] 1/0.128991s	0.174916	197391	8.66	0.194240	197391	7.76	90%	graph
gov.loc.www  (https)	0.052798	197391	28.96	0.049471	197391	30.73	106%	graph
gov.read  (https)	0.163215	17666	0.83	0.153224	17666	0.88	107%	graph
net.research.www  (https)	0.068999	244063	27.38	0.010575	0	0	n/a	graph
org.purl  [v4R] 2/0.358857s	1.371062	5368	0.03	0.022929	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 77% of all linked domains (20/26)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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