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 2026.10.09 -

gov.cms. | 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  (https)	0.993987	463832	3.56	0.292699	464035	12.12	340%	graph
com.linkedin.www  (https)	0.324868	493668	11.62	0.429128	140465	2.50	21%	graph
com.twitter  (https)  [v4R] 1/0.417336s	0.657121	42019	0.49	0.008447	0	0	n/a	graph
com.youtube.www  (https)	0.232931	948476	31.19	0.213866	948226	33.96	109%	graph
gov.cms.agentbrokerfaq.www  (https)  [v4R] 1/0.147305s	0.351980	110930	2.41	0.024228	0	0	n/a	graph
gov.cms.assisters  (https)	0.647375	56414	0.67	1.617985	56426	0.27	40%	graph
gov.cms.developer  (https)	0.300761	69262	1.76	0.452030	69262	1.17	66%	graph
• gov.cms.www  (https)	0.104489	219175	16.08	0.074052	219175	22.60	141%	graph
gov.healthcare.data  (https)	0.063006	12790	1.55	0.286812	12799	0.34	22%	graph
gov.healthcare.localhelp  (https)  [v4R] 1/0.114782s  [v6R] 1/0.105538s	0.178172	2324	0.10	0.275054	2324	0.06	65%	graph
gov.healthcare.www  (https)	0.369807	430016	8.89	0.404511	430016	8.12	91%	graph
gov.hhs.oig.www  (https)	0.625172	49758	0.61	0.153845	0	0	n/a	graph
gov.hhs.www	0.027764	365	0.10	0.031699	363	0.09	87%	graph
gov.hhs.www  (https)	0.278276	365	0.01	0.306838	361	0.01	90%	graph
gov.insurekidsnow.www  (https)	0.112000	46350	3.16	0.183261	46362	1.93	61%	graph
gov.medicaid.www  [v4R] 1/0.066505s  [v6R] 1/0.056552s	0.150409	153197	7.79	1.201061	153197	0.97	12%	graph
gov.medicaid.www  (https)	0.062827	153197	18.85	0.084825	153197	13.91	74%	graph
gov.medicare.www  (https)	0.099196	111929	8.63	0.089685	111929	9.59	111%	graph
gov.usa.www  (https)	0.046130	48647	8.07	1.099122	48647	0.34	4%	graph
IPv6 operational: 75% of linked subdomains (3/4), 84% of all linked domains (16/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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