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 2025.12.31 -

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)	0.156058	78347	3.83	0.144711	78457	4.16	108%	graph
com.linkedin.www  (https)	0.199335	24633	0.94	0.212954	140072	5.04	534%	graph
com.twitter  (https)  [v4R] 1/0.053984s	0.158976	230129	11.11	0.003034	0	0	n/a	graph
com.youtube.www  (https)	0.223996	691602	23.66	0.188623	689095	27.96	118%	graph
gov.cms.agentbrokerfaq.www  (https)  [v4R] 1/0.093310s	0.233038	110796	3.63	0.010996	0	0	n/a	graph
gov.cms.cmsnationaltrainingprogram  (https)  [v4R] 1/0.050145s  [v6R] 1/0.026226s	0.111479	191900	13.19	0.316115	191900	4.63	35%	graph
gov.cms.developer  (https)	0.044493	69116	11.98	0.191577	69116	2.76	23%	graph
gov.cms.innovation  (https)  [v4R] 2/0.128345s  [v6R] 2/0.184903s	0.211715	218885	7.91	0.251935	218885	6.65	84%	graph
• gov.cms.www  (https)	0.040912	221496	42.25	0.208582	221496	8.12	19%	graph
gov.healthcare.data  (https)	0.052015	12283	1.80	0.178856	12302	0.53	29%	graph
gov.healthcare.localhelp  (https)  [v4R] 1/0.226746s  [v6R] 1/0.069548s	0.412960	2318	0.04	0.141477	2318	0.13	292%	graph
gov.healthcare.www  (https)	0.059637	443156	57.31	0.094001	443156	35.97	63%	graph
gov.hhs.oig.www  (https)	0.180336	40379	1.71	0.013642	0	0	n/a	graph
gov.hhs.www	0.018052	365	0.15	0.024677	365	0.12	75%	graph
gov.hhs.www  (https)	0.026096	365	0.11	0.045073	365	0.06	58%	graph
gov.insurekidsnow.www  (https)	0.096718	48375	3.84	0.090866	48399	4.10	107%	graph
gov.medicaid.www  [v4R] 1/0.163525s  [v6R] 1/0.027101s	0.199386	138064	5.29	0.087208	138064	12.11	229%	graph
gov.medicaid.www  (https)	0.032503	138064	32.92	0.110252	138064	9.58	29%	graph
gov.medicare.www  (https)	0.069091	93149	10.30	0.086479	93149	8.26	80%	graph
gov.usa.www  (https)	0.018444	47068	19.95	0.024922	47068	14.96	75%	graph
net.jsdelivr.cdn  (https)  [v4R] 1/0.034174s  [v6R] 1/0.028615s	0.069671	46792	5.17	0.065789	46792	5.49	106%	graph
IPv6 operational: 80% of linked subdomains (4/5), 86% of all linked domains (18/21)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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