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 2026.01.04 -

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] 2/0.163664s	0.181183	6700	0.28	0.003037	0	0	n/a	graph
gov.cdc.www  (https)	0.050578	60333	9.21	0.046534	60333	10.01	109%	graph
gov.cdc.wwwn  (https)	0.058950	0	0	0.081040	0	0	n/a	graph
gov.hhs.oig  (https)	0.051147	40379	6.04	0.024233	0	0	n/a	graph
gov.hhs.www  (https)	0.054933	363	0.05	0.052797	365	0.05	104%	graph
gov.nih.od.osp  (https)	0.481310	55448	0.88	0.447244	55448	0.95	108%	graph
gov.oversight.usdaoig  (https)	0.598129	63079	0.80	0.541033	63079	0.89	111%	graph
gov.selectagents.efsap  (https)  [v4R] 4/0.511009s	0.678226	86509	0.97	0.008373	0	0	n/a	graph
• gov.selectagents.www  (https)	0.229873	70687	2.36	0.137923	70687	3.94	167%	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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