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 2025.12.18 -

gov.gcmrc. | 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)	0.244671	80535	2.52	0.151546	80656	4.08	162%	graph
com.googletagmanager.www  (https)	0.037752	1561	0.32	0.029822	1561	0.41	128%	graph
com.instagram.www  (https)	0.238615	809209	25.94	0.364366	807748	16.93	65%	graph
com.linkedin.www  (https)	0.200798	140066	5.34	0.287592	140062	3.72	70%	graph
com.twitter  (https)  [v4R] 1/0.090571s	0.252790	227762	6.90	0.003056	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.047674s  [v6R] 1/0.056501s	0.244813	688647	21.53	0.287326	687323	18.27	85%	graph
gov.doi.www  (https)	0.111850	58100	3.99	0.040623	58100	11.08	278%	graph
• gov.gcmrc.www  (https)  [v6R] 2/0.954079s	0.000	0	0	3.343163	121919	0.28	n/a	graph
gov.usa.www  (https)	0.042353	47100	8.56	0.026933	47100	13.82	162%	graph
gov.usgs.answers  (https)	0.668568	106977	1.22	0.676712	106977	1.21	99%	graph
gov.usgs.earthquake  (https)  [v4R] 1/0.031140s  [v6R] 1/0.032529s	2.739691	156498	0.44	2.349189	156498	0.51	117%	graph
gov.usgs.pubs  (https)	0.757034	28560	0.29	0.754990	28560	0.29	100%	graph
gov.usgs.store  (https)	0.201222	151898	5.77	0.675747	151898	1.72	30%	graph
gov.usgs.www  (https)	2.205325	141336	0.49	2.205361	141336	0.49	100%	graph
IPv6 operational: 100% of linked subdomains (1/1), 93% of all linked domains (13/14)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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