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.fedcenter. | Environmental Protection Agency	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
gov.commerce.www  (https)	0.453378	83121	1.40	0.382435	83121	1.66	119%	graph
gov.dhs.www  [v4R] 1/0.171042s  [v6R] 1/0.055851s	0.213153	104950	3.76	0.348093	104973	2.30	61%	graph
gov.doi.www  (https)	0.032460	55881	13.32	0.028971	55881	15.23	114%	graph
gov.energy.www  [v4R] 1/0.009324s  [v6R] 1/0.012695s	0.038113	88350	17.74	0.034493	88350	19.83	112%	graph
gov.epa.www  (https)	0.034157	63648	14.28	0.030537	63648	16.19	113%	graph
• gov.fedcenter.www  (https)	0.165903	71395	3.30	0.151274	71395	3.61	109%	graph
gov.gsa.www  [v4R] 1/0.011997s  [v6R] 1/0.009090s	0.034151	219721	49.30	0.030021	219721	55.88	113%	graph
gov.hhs.www	0.023284	363	0.12	0.020186	365	0.14	116%	graph
gov.nasa.www  [v4R] 1/0.005667s  [v6R] 1/0.007385s	0.029568	301569	79.34	0.030589	301569	76.69	97%	graph
gov.state.www  [v4R] 1/0.012145s  [v6R] 1/0.024180s	0.074215	188865	19.47	0.078934	188865	18.47	95%	graph
gov.sustainability.www  [v4R] 1/0.015667s	0.294690	10322	0.27	0.003339	0	0	n/a	graph
gov.treasury.www	0.000	0	0	0.000	0	0	n/a	graph
gov.usps.www  [v4R] 1/0.054065s  [v6R] 1/0.017622s	0.198825	100637	3.88	0.058073	100637	13.24	341%	graph
gov.va.www  [v4R] 1/0.202017s  [v6R] 1/0.228020s	0.867240	64267	0.57	0.864496	64267	0.57	100%	graph
mil.army.usace.www	0.105637	376	0.03	0.033649	376	0.09	318%	graph
IPv6 operational: 100% of linked subdomains (1/1), 87% of all linked domains (13/15)	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