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 2026.01.12 -

gov.nih. | 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] 1/0.036135s  [v6R] 1/0.132630s	0.123643	80432	4.99	0.286955	80825	2.16	43%	graph
com.flickr.www  (https)	0.038581	46991	9.43	0.045052	46991	7.97	84%	graph
com.googletagmanager.www  (https)	0.030424	1561	0.40	0.029856	1561	0.41	103%	graph
com.instagram.www  (https)	0.274539	805585	22.43	0.339241	366293	8.24	37%	graph
com.twitter  (https)  [v4R] 1/0.058071s	0.160502	231076	11.02	0.002563	0	0	n/a	graph
com.youtube.www  (https)	0.183774	685788	28.59	0.262856	688867	20.06	70%	graph
gov.hhs.oig  (https)	0.073257	39271	4.10	0.106899	0	0	n/a	graph
gov.hhs.www	0.012985	365	0.23	0.020829	365	0.14	60%	graph
gov.hhs.www  (https)	0.032876	365	0.09	0.042219	361	0.07	75%	graph
gov.medlineplus  (https)	0.028097	26380	7.19	0.027394	26380	7.45	104%	graph
gov.nih.calendar  (https)	0.185188	10093	0.42	0.115977	10093	0.67	161%	graph
gov.nih.education.science  (https)	0.082785	192358	17.90	0.024267	0	0	n/a	graph
gov.nih.eeo  (https)	0.164427	5448	0.25	0.129082	5473	0.32	128%	graph
gov.nih.grants  (https)	0.118649	72108	4.66	0.091002	72108	6.05	130%	graph
gov.nih.heal  (https)	0.052940	60978	8.95	0.023144	0	0	n/a	graph
gov.nih.hr  (https)	0.134307	31273	1.78	0.092023	31273	2.59	146%	graph
gov.nih.irp  (https)	0.241893	73478	2.33	0.126693	73478	4.45	191%	graph
gov.nih.jobs.www  (https)	0.205900	5448	0.20	0.057429	5473	0.73	361%	graph
gov.nih.lrp.www  (https)  [v4R] 1/0.116041s  [v6R] 1/0.191984s	0.372979	96347	1.98	0.333134	96347	2.21	112%	graph
gov.nih.newsinhealth  (https)	0.083474	30658	2.82	0.071328	30658	3.29	117%	graph
gov.nih.niaaa.www  (https)	0.109067	61950	4.34	0.200036	61950	2.36	55%	graph
gov.nih.od.nexus  (https)  [v4R] 1/0.109724s  [v6R] 1/0.111514s	0.206209	121363	4.49	0.224797	121363	4.13	92%	graph
gov.nih.salud  (https)	0.200439	69954	2.67	0.184297	69954	2.90	109%	graph
gov.nih.www  [v4R] 1/0.117914s  [v6R] 1/0.113970s	0.413697	56803	1.05	0.209034	56803	2.07	198%	graph
• gov.nih.www  (https)	0.100544	56803	4.33	0.060108	56803	7.22	167%	graph
gov.usa.www  (https)	0.018858	47068	19.95	0.019110	47068	18.90	95%	graph
org.recovercovid  (https)	0.097245	286214	22.51	0.028800	0	0	n/a	graph
IPv6 operational: 87% of linked subdomains (13/15), 81% of all linked domains (22/27)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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