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 2025.07.22 -

gov.headstart. | 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)	0.142177	77397	4.16	0.096246	77529	6.16	148%	graph
com.googletagmanager.www  (https)	0.030158	1561	0.40	0.037440	1561	0.32	81%	graph
com.instagram.www  (https)	0.271531	454711	12.80	0.314779	454828	11.05	86%	graph
com.twitter  (https)  [v4R] 1/0.069331s	0.191374	273715	10.93	0.001220	0	0	n/a	graph
gov.acf  (https)	0.055414	62103	8.61	0.003454	0	0	n/a	graph
• gov.headstart.www  (https)	0.028685	919	0.25	0.029690	919	0.24	97%	graph
gov.hhs.acf.licensingregulations  (https)	0.026913	118	0.03	0.001203	0	0	n/a	graph
gov.hhs.www  (https)	0.032538	365	0.09	0.030030	365	0.09	107%	graph
gov.usa.www  (https)	0.021630	48043	17.45	0.024877	48043	15.27	88%	graph
IPv6 operational: 100% of linked subdomains (1/1), 67% of all linked domains (6/9)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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