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 2025.09.18 -

gov.mesh. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.142567s  [v6R] 1/0.120984s	0.316455	76656	1.85	0.314969	76791	1.87	101%	graph
com.google.www  (https)	0.057651	16975	2.27	0.052524	16968	2.49	110%	graph
com.googletagmanager.www  (https)	0.030572	1561	0.40	0.029489	1561	0.41	103%	graph
com.twitter  (https)  [v4R] 1/0.064474s	0.197124	220745	8.55	0.001224	0	0	n/a	graph
com.youtube.www  (https)	0.177384	657685	28.35	0.205319	662224	24.65	87%	graph
gov.hhs.www  (https)	0.032011	365	0.09	0.027532	363	0.10	118%	graph
• gov.mesh.www  (https)  [v4R] 1/0.039295s  [v6R] 1/0.046161s	0.117452	17467	1.14	0.098789	17467	1.36	119%	graph
gov.nih.nlm.meshb-prev  (https)	0.050821	17484	2.67	0.051005	17484	2.62	98%	graph
gov.nih.nlm.support  (https)	0.178416	43006	1.84	0.001200	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.062617	34773	4.28	0.082367	34773	3.24	76%	graph
gov.nih.www  (https)	0.096769	57119	4.54	0.137829	57119	3.18	70%	graph
gov.usa.www  (https)	0.023002	48043	15.94	0.020972	48043	18.33	115%	graph
IPv6 operational: 100% of linked subdomains (1/1), 83% of all linked domains (10/12)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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