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 2026.10.24 -

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)	0.206828	419776	15.55	0.303282	419569	10.56	68%	graph
com.linkedin.www  (https)	0.212261	139186	5.01	0.272334	496423	13.92	278%	graph
com.twitter  (https)  [v4R] 1/0.063231s	0.162809	40319	1.90	0.003031	0	0	n/a	graph
com.youtube.www  (https)	0.262075	955897	27.84	0.186860	955665	39.20	141%	graph
gov.cms.agentbrokerfaq.www  (https)  [v4R] 1/0.119615s	0.315441	110934	2.69	0.023002	0	0	n/a	graph
gov.cms.assisters  (https)	0.194601	56368	2.22	0.230078	56383	1.87	84%	graph
gov.cms.developer  (https)	0.091373	69262	5.81	0.159752	69262	3.32	57%	graph
• gov.cms.www  (https)	0.122802	220433	13.78	0.081213	220433	20.76	151%	graph
gov.healthcare.data  (https)	0.045439	12803	2.17	0.083799	12817	1.18	54%	graph
gov.healthcare.localhelp  (https)  [v4R] 1/0.102918s  [v6R] 1/0.153465s	0.212319	2316	0.08	0.303596	2316	0.06	70%	graph
gov.healthcare.www  (https)	0.071267	430008	46.21	0.179079	430008	18.33	40%	graph
gov.hhs.oig.www  (https)	0.690117	49731	0.55	0.103788	0	0	n/a	graph
gov.hhs.www	0.019839	365	0.15	0.026387	365	0.11	73%	graph
gov.hhs.www  (https)	0.026258	365	0.11	0.036328	365	0.08	72%	graph
gov.insurekidsnow.www  (https)	0.060576	46272	5.88	0.157693	46281	2.25	38%	graph
gov.medicaid.www  [v4R] 1/0.063843s  [v6R] 1/0.020145s	0.135990	153953	8.70	0.062725	153953	18.94	218%	graph
gov.medicaid.www  (https)	0.066829	153953	17.80	0.079282	153953	14.87	84%	graph
gov.medicare.www  (https)	0.081563	112066	10.56	0.048263	112066	17.81	169%	graph
gov.usa.www  (https)	0.018971	48647	20.62	0.024296	48647	15.46	75%	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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