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 2026.09.21 -

gov.usgs. | Department of the Interior	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.044481s	0.351715	455755	9.91	0.534346	454163	6.49	66%	graph
com.googletagmanager.www  (https)	0.051500	1561	0.23	0.059513	1561	0.20	86%	graph
com.instagram.www  (https)	0.479664	415818	6.62	0.717606	415905	4.43	67%	graph
com.linkedin.www  (https)	0.238702	140465	4.50	0.164368	140465	6.53	145%	graph
com.twitter  (https)  [v4R] 1/0.132580s	0.301732	32786	0.83	0.002539	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.060615s  [v6R] 1/0.058137s	0.229151	877295	29.23	0.289542	883157	23.31	80%	graph
gov.doi.www  (https)	0.619126	57634	0.71	1.064350	57634	0.41	58%	graph
gov.nationalmap.topobuilder  (https)	0.295554	799	0.02	0.275284	799	0.02	107%	graph
gov.usa.www  (https)	0.031462	48215	11.87	0.074808	48215	4.97	42%	graph
gov.usgs.answers  (https)	0.735420	105209	1.09	0.663125	105209	1.21	111%	graph
gov.usgs.earthquake  (https)	0.057698	13817	1.85	0.050389	13817	2.11	114%	graph
gov.usgs.mrdata  (https)	0.202482	62539	2.36	0.471672	62539	1.01	43%	graph
gov.usgs.ngmdb  (https)	0.346840	1141	0.03	0.346426	1141	0.03	100%	graph
gov.usgs.pubs  (https)	0.193868	29221	1.16	0.152080	29221	1.47	127%	graph
gov.usgs.store  (https)	0.234472	183638	5.99	0.338386	183638	4.15	69%	graph
gov.usgs.tableau  (https)	0.063980	1772	0.21	0.068005	1772	0.20	93%	graph
gov.usgs.volcanoes  (https)  [v4R] 1/0.876984s	0.923211	919	0.01	0.000	0	0	n/a	graph
gov.usgs.waterdata  (https)	0.119415	461027	29.56	0.075824	461027	46.90	159%	graph
• gov.usgs.www  (https)	0.024658	919	0.29	1.082064	919	0.01	2%	graph
IPv6 operational: 90% of linked subdomains (9/10), 89% of all linked domains (17/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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