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 2025.09.20 -

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] 1/0.005557s  [v6R] 2/0.090784s	0.308740	76802	1.90	0.185961	74060	3.05	161%	graph
com.twitter  (https)  [v4R] 1/0.087602s	0.212218	221528	7.97	0.003568	0	0	n/a	graph
gov.noaa.ncep.www	0.003392	0	0	0.003416	0	0	n/a	graph
gov.noaa.nesdis.www  (https)	0.154914	93246	4.62	0.064165	0	0	n/a	graph
gov.noaa.swpc.www  (https)	0.125703	91672	5.60	0.028780	91672	24.98	446%	graph
gov.noaa.www  [v4R] 1/0.111559s  [v6R] 1/0.013393s	0.135245	919	0.05	0.038492	919	0.18	355%	graph
gov.spaceweather.testbed  (https)	0.458967	20439	0.34	0.603233	20439	0.26	76%	graph
• gov.spaceweather.www  (https)	0.220237	91945	3.19	0.130925	91945	5.40	169%	graph
gov.usa.www  [v4R] 1/0.009487s  [v6R] 1/0.005225s	0.034555	48043	10.78	0.024547	48043	15.27	142%	graph
gov.weather.www  [v4R] 1/0.013560s  [v6R] 1/0.014741s	0.077221	128662	12.75	0.053394	128662	18.52	145%	graph
IPv6 operational: 100% of linked subdomains (2/2), 70% of all linked domains (7/10)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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