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 2025.07.26 -

gov.loc. | 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] 1/0.096842s  [v6R] 1/0.082832s	0.166071	130003	5.97	0.122614	130003	8.13	136%	graph
com.facebook.www  (https)  [v4R] 1/0.045999s	0.168050	76976	3.50	0.095774	77355	6.21	178%	graph
com.flickr.www  (https)	0.039149	45480	8.90	0.038120	45480	9.13	103%	graph
com.instagram  (https)  [v4R] 1/0.093694s  [v6R] 1/0.103743s	0.381225	454323	9.10	0.693507	454584	5.00	55%	graph
com.myshopify.library-of-congress-shop  (https)	0.104521	319423	23.43	0.103661	319423	23.66	101%	graph
com.pinterest.www  (https)	0.367039	772434	16.06	0.001179	0	0	n/a	graph
com.x  (https)	0.133270	273285	15.68	0.003326	0	0	n/a	graph
com.youtube.www  (https)	0.544115	614713	8.62	0.183719	611777	25.51	296%	graph
gov.congress.www  (https)	0.036216	6897	1.46	0.032440	6960	1.66	114%	graph
gov.copyright  [v4R] 1/0.047861s  [v6R] 1/0.030534s	0.093246	57363	4.71	0.075467	57363	5.84	124%	graph
gov.copyright  (https)	0.048214	57363	9.12	0.042627	57363	10.42	114%	graph
gov.loc  (https)  [v4R] 1/0.059561s  [v6R] 1/0.045042s	0.109104	173782	12.16	0.126399	173782	10.52	87%	graph
gov.loc.ask  (https)	0.076440	46267	4.64	0.007723	0	0	n/a	graph
gov.loc.blogs  (https)	0.059177	54098	7.00	0.047212	54098	8.78	126%	graph
gov.loc.catalog  (https)	0.057167	25717	3.44	0.058843	25717	3.38	98%	graph
gov.loc.lcm  (https)	0.054727	180878	25.56	0.045627	180878	30.67	120%	graph
gov.loc.newsroom  (https)	0.088605	107170	9.29	0.090254	107170	9.08	98%	graph
gov.loc.www  [v4R] 1/0.106225s  [v6R] 1/0.131774s	0.164275	173782	8.08	0.191770	173782	6.94	86%	graph
• gov.loc.www  (https)	0.051567	173782	26.00	0.049042	173782	27.06	104%	graph
net.research.www  (https)	0.065219	555687	65.22	0.003333	0	0	n/a	graph
org.purl  [v4R] 2/0.348570s	1.365754	5368	0.03	0.031983	0	0	n/a	graph
IPv6 operational: 88% of linked subdomains (7/8), 76% of all linked domains (16/21)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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