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 2026.02.21 -

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)	0.334504	453633	10.36	0.242282	456827	14.40	139%	graph
com.linkedin.www  (https)	0.235246	141194	4.58	0.162610	141194	6.65	145%	graph
com.twitter  (https)  [v4R] 1/0.057931s	0.253074	237018	7.15	0.003037	0	0	n/a	graph
com.youtube.www  (https)	0.187288	685886	27.98	0.244164	686706	21.47	77%	graph
gov.cms.agentbrokerfaq.www  (https)  [v4R] 1/0.094453s	0.239771	110795	3.54	0.012676	0	0	n/a	graph
gov.cms.assisters  (https)	0.294753	55997	1.45	0.290355	56023	1.47	101%	graph
gov.cms.developer  (https)	0.150928	69116	3.52	0.177327	69116	2.98	85%	graph
gov.cms.innovation  (https)  [v4R] 2/0.355606s  [v6R] 2/0.215144s	0.387747	219907	4.34	0.250796	219907	6.71	155%	graph
• gov.cms.www  (https)	0.037966	221189	45.61	0.065971	221189	25.96	57%	graph
gov.healthcare.data  (https)	0.046099	12320	2.04	0.063349	12344	1.49	73%	graph
gov.healthcare.localhelp  (https)  [v4R] 1/0.143674s  [v6R] 1/0.162557s	0.207782	3343	0.12	0.300384	2324	0.06	48%	graph
gov.healthcare.www  (https)	0.054438	440253	62.20	0.049950	441298	68.71	110%	graph
gov.hhs.oig.www  (https)	0.177325	40815	1.76	0.016425	0	0	n/a	graph
gov.hhs.www	0.012319	365	0.23	0.016843	365	0.17	75%	graph
gov.hhs.www  (https)	0.024042	365	0.12	0.030628	365	0.09	80%	graph
gov.insurekidsnow.www  (https)	0.100988	48431	3.69	0.065863	48452	5.69	154%	graph
gov.medicaid.www  [v4R] 1/0.173357s  [v6R] 1/0.036498s	0.212189	141858	5.11	0.089770	141858	12.16	238%	graph
gov.medicaid.www  (https)	0.045942	141858	24.05	0.119612	141858	9.09	38%	graph
gov.medicare.www  (https)	0.045754	93250	15.81	0.061606	93250	11.66	74%	graph
gov.usa.www  (https)	0.022329	47580	16.50	0.020145	47580	18.15	110%	graph
IPv6 operational: 80% of linked subdomains (4/5), 85% of all linked domains (17/20)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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