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 2025.11.26 -

gov.selectagents. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.responsibledisclosure.hhs  (https)  [v4R] 2/0.164198s	0.188153	6700	0.27	0.003034	0	0	n/a	graph
gov.cdc.www  (https)	1.172249	60845	0.40	0.044947	60845	10.55	2664%	graph
gov.cdc.wwwn  (https)	0.110461	0	0	0.131669	0	0	n/a	graph
gov.hhs.oig  (https)	0.052795	39799	5.84	0.003036	0	0	n/a	graph
gov.hhs.www  (https)	0.036487	365	0.08	0.050582	365	0.06	72%	graph
gov.nih.od.osp  (https)	0.509728	54158	0.81	0.579936	54158	0.71	88%	graph
gov.oversight.usdaoig  (https)	0.626377	63676	0.78	0.625979	63676	0.78	100%	graph
gov.selectagents.efsap  (https)  [v4R] 4/0.312129s	0.476399	87112	1.40	0.008393	0	0	n/a	graph
• gov.selectagents.www  (https)	1.186407	70687	0.45	0.307563	70687	1.76	386%	graph
IPv6 operational: 50% of linked subdomains (1/2), 56% of all linked domains (5/9)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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