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.ntsb. | National Transportation Safety Board	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v6R] 1/0.087471s	0.198745	76802	2.96	0.204033	74064	2.77	94%	graph
com.flickr.www  (https)	0.056051	46343	6.31	0.054469	46343	6.55	104%	graph
com.instagram.www  (https)	0.238490	437516	14.03	0.315927	437633	10.60	76%	graph
com.linkedin.www  (https)	0.133342	138894	7.97	0.188222	138894	5.64	71%	graph
com.twitter  (https)  [v4R] 1/0.073794s	0.200458	221528	8.45	0.001170	0	0	n/a	graph
com.youtube.www  (https)	0.248286	660020	20.30	0.171644	662997	29.58	146%	graph
gov.dot.oig.www  (https)	0.563401	68738	0.93	0.257274	0	0	n/a	graph
gov.ntsb.carol  (https)	0.071177	1934	0.21	0.055206	1934	0.27	129%	graph
gov.ntsb.data  (https)  [v4R] 1/0.036542s  [v6R] 1/0.136288s	0.140925	61871	3.37	0.246863	61871	1.92	57%	graph
• gov.ntsb.www  (https)  [v4R] 1/0.032702s  [v6R] 1/0.033289s	0.174100	64512	2.83	0.191892	64512	2.58	91%	graph
gov.usa.www  (https)	0.018682	48043	20.36	0.019047	48043	19.29	95%	graph
IPv6 operational: 100% of linked subdomains (3/3), 82% of all linked domains (9/11)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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