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 2025.12.18 -

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] 1/0.244909s	0.551009	1854	0.03	0.065331	0	0	n/a	graph
gov.energy.afdc.www  [v4R] 2/0.338521s	0.537228	31501	0.45	0.008437	0	0	n/a	graph
gov.energy.cleancities  (https)	0.208088	16561	0.61	0.002434	0	0	n/a	graph
gov.energy.eere.www  [v4R] 2/0.128614s	0.166951	0	0	0.017708	0	0	n/a	graph
gov.energy.eere.www  (https)  [v4R] 1/0.094716s	0.123616	0	0	0.008138	0	0	n/a	graph
gov.epa.www  [v4R] 1/0.014712s  [v6R] 1/0.014400s	0.032486	64250	15.32	0.036420	64250	13.62	89%	graph
gov.epa.www  (https)	0.026716	64250	18.85	0.031986	64250	15.81	84%	graph
• gov.fueleconomy.www  (https)	0.311947	39247	0.96	0.312910	39247	0.96	100%	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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