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 2025.07.23 -

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] 2/0.064445s  [v6R] 2/0.117029s	0.174715	76863	3.37	0.273364	77006	2.15	64%	graph
com.flickr.www  [v4R] 1/0.005834s  [v6R] 1/0.009447s	0.056983	45282	6.17	0.044240	45282	7.85	127%	graph
com.instagram.www  (https)	0.290435	452401	11.90	0.431167	452668	8.01	67%	graph
com.linkedin.www  [v4R] 1/0.106432s  [v6R] 1/0.277501s	0.328511	138954	3.23	0.489387	138954	2.17	67%	graph
com.socrata.cdn  (https)	0.024567	0	0	0.003370	0	0	n/a	graph
com.socrata.dev  (https)	0.025133	39593	12.08	0.003383	0	0	n/a	graph
com.socrata.status  (https)	0.223029	85827	2.94	0.003342	0	0	n/a	graph
com.socrata.support  [v4R] 3/0.204017s	0.217194	6585	0.23	0.003368	0	0	n/a	graph
com.twitter  (https)  [v4R] 1/0.055063s	0.182299	273285	11.46	0.001180	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.049996s  [v6R] 1/0.020226s	0.255406	609774	18.24	0.367350	609549	12.67	69%	graph
gov.healthdata  (https)	0.531936	812595	11.68	0.007602	0	0	n/a	graph
• gov.healthdata.www  (https)	0.406450	812621	15.27	0.003374	0	0	n/a	graph
gov.hhs.cdo  (https)  [v4R] 1/0.131564s	0.362514	107809	2.27	0.001202	0	0	n/a	graph
gov.hhs.www  (https)	0.029728	365	0.10	0.033098	365	0.08	88%	graph
gov.usa.www  (https)	0.024868	48043	15.27	0.022835	48043	16.66	109%	graph
gov.whitehouse.www  (https)	0.024803	244197	77.63	0.023604	244197	81.00	104%	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

For comments, questions or suggested domains please contact: [email protected]