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 2026.07.21 -

gov.fueleconomy. | Department of Energy	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
edu.ucdavis.its.gis  [v4R] 1/0.247862s	0.762613	1854	0.02	0.053272	0	0	n/a	graph
gov.energy.afdc.www  [v4R] 2/0.147845s	0.601763	31574	0.40	0.004148	0	0	n/a	graph
gov.energy.cleancities  (https)	1.206478	17274	0.11	0.002228	0	0	n/a	graph
gov.energy.eere.www  [v4R] 2/1.198819s	1.226393	0	0	0.008424	0	0	n/a	graph
gov.energy.eere.www  (https)  [v4R] 1/0.104392s	0.362859	0	0	0.002742	0	0	n/a	graph
gov.epa.www  [v4R] 1/0.022181s  [v6R] 1/0.013205s	0.098789	64547	5.03	0.068754	64547	7.24	144%	graph
gov.epa.www  (https)	0.050049	64547	9.85	0.037475	64547	13.31	135%	graph
• gov.fueleconomy.www  (https)	0.325863	40532	0.95	0.512191	40532	0.60	63%	graph
IPv6 operational: 100% of linked subdomains (1/1), 38% of all linked domains (3/8)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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