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 2025.07.24 -

gov.healthdata. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  [v4R] 2/0.059463s  [v6R] 2/0.111712s	0.191237	76867	3.07	0.323622	77004	1.82	59%	graph
com.flickr.www  [v4R] 1/0.005748s  [v6R] 1/0.007402s	0.042467	45346	8.24	0.048700	45346	7.21	88%	graph
com.instagram.www  (https)	0.471918	454315	7.36	0.476985	454412	7.28	99%	graph
com.linkedin.www  [v4R] 1/0.043966s  [v6R] 1/0.110384s	0.255002	138954	4.16	0.221719	24633	0.85	20%	graph
com.socrata.cdn  (https)	0.238238	0	0	0.007681	0	0	n/a	graph
com.socrata.dev  (https)	0.026093	39593	11.62	0.003399	0	0	n/a	graph
com.socrata.status  (https)	0.319220	85827	2.05	0.003351	0	0	n/a	graph
com.socrata.support  [v4R] 3/0.177407s	0.192498	6585	0.26	0.003389	0	0	n/a	graph
com.twitter  (https)  [v4R] 1/0.058134s	0.172200	273079	12.11	0.001218	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.033251s  [v6R] 1/0.034254s	0.279958	613525	16.78	0.276399	614377	16.98	101%	graph
gov.healthdata  (https)	0.329017	812595	18.84	0.007479	0	0	n/a	graph
• gov.healthdata.www  (https)	0.381406	812621	16.27	0.031953	0	0	n/a	graph
gov.hhs.cdo  (https)  [v4R] 1/0.127518s	0.318921	107809	2.59	0.007513	0	0	n/a	graph
gov.hhs.www  (https)	0.033460	365	0.08	0.048273	365	0.06	69%	graph
gov.usa.www  (https)	0.025605	48043	14.66	0.028354	48043	13.09	89%	graph
gov.whitehouse.www  (https)	0.022044	244197	84.69	0.025058	244197	74.52	88%	graph
IPv6 operational: 0% of linked subdomains (0/2), 50% of all linked domains (8/16)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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