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 2025.04.16 -

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] 2/0.192943s	0.203254	6722	0.25	0.003376	0	0	n/a	graph
gov.cdc.www  (https)	0.088487	58090	5.04	0.031796	58090	14.30	284%	graph
gov.cdc.wwwn  (https)	0.044962	0	0	0.039908	0	0	n/a	graph
gov.hhs.oig  (https)	0.103553	39558	2.93	0.003333	0	0	n/a	graph
gov.hhs.www  (https)	0.039707	363	0.07	0.033739	361	0.08	118%	graph
gov.nih.od.osp  (https)	0.492797	55309	0.86	0.417924	55309	1.01	118%	graph
gov.oversight.usdaoig  (https)	0.280905	68670	1.87	0.064162	0	0	n/a	graph
gov.selectagents.efsap  (https)  [v4R] 4/0.573957s	0.755179	86407	0.87	0.015873	0	0	n/a	graph
• gov.selectagents.www  (https)	0.356020	75035	1.61	0.001211	0	0	n/a	graph
IPv6 operational: 0% of linked subdomains (0/2), 33% of all linked domains (3/9)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

For comments, questions or suggested domains please contact: itrg-contact@list.nist.gov