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 2025.09.21 -

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)	0.211820	77013	2.78	0.151964	77158	3.90	140%	graph
com.flickr.www  (https)	0.037552	46343	9.56	0.034487	46343	10.40	109%	graph
com.instagram.www  (https)	0.277286	437628	12.05	0.344751	437719	9.71	81%	graph
com.linkedin.www  (https)	0.161434	137692	6.52	0.132165	138898	8.03	123%	graph
com.twitter  (https)  [v4R] 1/0.074695s	0.212234	221619	7.98	0.001206	0	0	n/a	graph
com.youtube.www  (https)	0.190975	664210	26.67	0.171137	662001	29.54	111%	graph
gov.dot.oig.www  (https)	0.573166	68725	0.92	0.258839	0	0	n/a	graph
gov.ntsb.carol  (https)	0.148398	1934	0.10	0.063200	1934	0.23	235%	graph
gov.ntsb.data  (https)  [v4R] 1/0.029626s  [v6R] 1/0.031999s	0.214665	61871	2.21	0.224644	61871	2.11	96%	graph
• gov.ntsb.www  (https)  [v4R] 1/0.041450s  [v6R] 1/0.038320s	0.225869	64512	2.19	0.196888	64512	2.51	115%	graph
gov.usa.www  (https)	0.028018	48043	13.09	0.037532	48043	9.91	76%	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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