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 2026.09.04 -

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] 1/0.553577s  [v6R] 1/0.317493s	0.609409	136293	1.71	0.377990	136293	2.76	162%	graph
com.facebook.www  (https)  [v4R] 1/0.122647s  [v6R] 1/0.101982s	0.532414	444141	6.37	0.436363	444317	7.77	122%	graph
com.flickr.www  (https)	0.064085	57606	6.87	0.060626	57606	7.32	107%	graph
com.instagram  (https)  [v4R] 1/0.086468s  [v6R] 1/0.078507s	0.380451	401887	8.07	0.454404	401993	6.76	84%	graph
com.linkedin.www  (https)	0.226491	140465	4.74	0.236185	140465	4.54	96%	graph
com.myshopify.library-of-congress-shop  (https)	0.180005	236645	10.03	0.225180	236645	8.02	80%	graph
com.pinterest.www  (https)	0.344385	1116828	24.77	0.003030	0	0	n/a	graph
com.x  (https)	0.132424	32879	1.90	0.003027	0	0	n/a	graph
com.youtube.www  (https)	0.211798	876429	31.69	0.177527	877650	37.83	119%	graph
gov.congress.www  (https)	0.033582	5343	1.24	0.035943	5385	1.17	95%	graph
gov.copyright  [v4R] 1/0.024449s  [v6R] 1/0.024774s	1.148461	55642	0.37	0.067380	55642	6.34	1713%	graph
gov.copyright  (https)	0.069638	55642	6.15	0.059437	55642	7.20	117%	graph
• gov.libraryofcongress.www  (https)  [v4R] 1/0.050202s  [v6R] 1/0.272195s	0.089275	74607	6.40	0.348248	74607	1.64	26%	graph
gov.loc  (https)  [v4R] 1/0.035560s  [v6R] 1/0.041318s	0.097360	74607	5.87	0.096345	74607	5.93	101%	graph
gov.loc.ask  (https)	0.153382	47282	2.36	0.006282	0	0	n/a	graph
gov.loc.blogs  (https)	0.048739	5404	0.86	0.044283	5446	0.94	110%	graph
gov.loc.catalog  (https)	0.057620	32193	4.31	0.057354	32193	4.31	100%	graph
gov.loc.lcm  (https)	0.081595	189413	17.84	0.079069	189413	18.29	103%	graph
gov.loc.newsroom  (https)	0.049437	919	0.14	0.052689	919	0.13	94%	graph
gov.loc.www  [v4R] 1/0.069217s  [v6R] 1/0.259513s	0.124393	74607	4.59	0.333231	74607	1.71	37%	graph
gov.loc.www  (https)	0.047035	74607	12.11	1.054996	74607	0.54	4%	graph
gov.usa.www  (https)	0.040108	47379	9.04	0.031253	47379	11.66	129%	graph
net.research.www  (https)	0.117283	204255	13.32	0.010521	0	0	n/a	graph
org.purl  [v4R] 2/0.372630s	0.622212	5368	0.07	0.039146	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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