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 2026.09.20 -

gov.spaceweather. | Department of Commerce	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  [v4R] 2/0.051413s  [v6R] 2/0.046173s	0.294208	450277	11.68	0.238514	450475	14.44	124%	graph
com.x  (https)	0.169412	32787	1.48	0.002231	0	0	n/a	graph
com.youtube.www  (https)	0.160209	883017	42.11	0.182385	879515	36.87	88%	graph
gov.noaa.ncei.www  (https)	0.407929	34862	0.65	0.247393	34862	1.08	165%	graph
gov.noaa.ncep.www	0.005398	0	0	0.003027	0	0	n/a	graph
gov.noaa.swpc.www  (https)  [v4R] 1/0.057330s	0.378729	92961	1.88	0.017903	0	0	n/a	graph
gov.noaa.www  [v4R] 1/0.033782s  [v6R] 1/0.032471s	0.054553	0	0	0.053430	0	0	n/a	graph
gov.spaceweather.testbed  (https)	0.452337	22674	0.38	0.384016	22674	0.45	118%	graph
gov.spaceweather.www  [v4R] 1/0.004730s  [v6R] 1/0.010632s	0.031345	92961	22.88	0.032544	92961	22.16	97%	graph
• gov.spaceweather.www  (https)	0.021985	92961	33.77	0.020934	92961	35.46	105%	graph
gov.usa.www  [v4R] 1/0.008957s  [v6R] 1/0.022327s	0.036744	48215	10.22	0.059876	48215	6.23	61%	graph
gov.weather.www  [v4R] 1/0.016544s  [v6R] 1/0.026624s	0.050005	119880	18.29	0.055111	119880	16.63	91%	graph
IPv6 operational: 100% of linked subdomains (3/3), 67% of all linked domains (8/12)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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