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 2025.12.16 -

gov.hydrogen. | Department of Energy	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.googleapis.fonts  (https)	0.046338	1621	0.27	0.052997	1621	0.24	88%	graph
com.googletagmanager.www  (https)	0.035960	1561	0.34	0.042333	1561	0.28	83%	graph
com.gstatic.fonts  (https)	0.034740	1561	0.35	0.047662	1561	0.25	72%	graph
com.responsibledisclosure.doe  (https)  [v4R] 2/0.207233s	0.222014	6700	0.23	0.003036	0	0	n/a	graph
gov.commerce.www  (https)	0.152721	91198	4.58	0.053970	91198	13.13	287%	graph
gov.defense.www  (https)	0.097563	369	0.03	0.097187	365	0.03	99%	graph
gov.doe.directives.www  (https)	0.074644	118	0.01	0.017777	0	0	n/a	graph
gov.doi.www  (https)	0.084250	58100	5.28	0.062371	58100	7.15	135%	graph
gov.dol.www  (https)	0.051067	89109	13.33	0.079729	89132	8.61	65%	graph
gov.energy  (https)	0.045847	0	0	0.134305	0	0	n/a	graph
gov.energy.ig  (https)  [v4R] 1/0.136214s  [v6R] 1/0.085043s	0.186646	112884	4.63	0.122048	112884	7.06	152%	graph
gov.energy.www  (https)	0.033707	117039	27.06	0.056919	117039	15.95	59%	graph
gov.epa.www  (https)	0.044857	63933	11.09	0.034895	63933	14.35	129%	graph
• gov.hydrogen.www  (https)  [v4R] 2/0.358304s	2.394669	30254	0.10	0.003034	0	0	n/a	graph
gov.nasa.www  (https)	0.064233	323698	38.59	0.050014	323698	49.39	128%	graph
gov.sba.www  (https)	0.055184	125086	17.35	0.149490	125086	6.40	37%	graph
gov.state.www  (https)	0.128892	521485	31.08	0.117475	521485	34.01	109%	graph
gov.transportation.www  (https)	0.049663	376	0.06	0.301829	376	0.01	16%	graph
gov.treasury.home  (https)	0.000	0	0	0.000	0	0	n/a	graph
gov.usa.www  (https)	0.062927	47100	5.80	0.055484	47100	6.53	113%	graph
gov.usda.www  (https)	0.064620	0	0	0.066871	0	0	n/a	graph
gov.whitehouse.www  (https)	0.047744	199108	32.32	0.071562	199108	21.40	66%	graph
IPv6 operational: 0% of linked subdomains (0/1), 73% of all linked domains (16/22)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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