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 2026.07.23 -

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] 1/0.138737s	0.860413	424402	3.77	0.466642	422994	6.93	184%	graph
com.flickr.www  (https)	0.097080	57606	4.53	0.055634	57606	7.99	176%	graph
com.googletagmanager.www  (https)	0.056892	1561	0.21	0.059538	1561	0.20	95%	graph
com.instagram.www  (https)	0.400065	395188	7.54	0.536805	395435	5.63	75%	graph
com.twitter  (https)  [v4R] 1/0.063205s	0.270756	35215	1.00	0.002530	0	0	n/a	graph
com.youtube.www  (https)	0.233928	821652	26.90	0.221908	835962	28.86	107%	graph
gov.hhs.oig  (https)	0.258289	50401	1.49	0.007394	0	0	n/a	graph
gov.hhs.www  (https)	0.070158	365	0.04	0.060173	365	0.05	117%	graph
gov.medlineplus  (https)	0.035501	26411	5.76	0.297688	26411	0.68	12%	graph
gov.nih.calendar  (https)	0.938597	10093	0.08	0.165845	10093	0.47	568%	graph
gov.nih.education.science  (https)	0.109971	189180	13.24	0.029011	0	0	n/a	graph
gov.nih.eeo  (https)	0.107966	29689	2.12	0.075527	29689	3.02	143%	graph
gov.nih.grants  (https)	0.092177	80144	6.65	0.081711	80144	7.55	114%	graph
gov.nih.hr  (https)	0.061199	31588	3.95	0.051249	31588	4.73	120%	graph
gov.nih.irp  (https)	0.708133	73786	0.80	0.494717	73786	1.14	143%	graph
gov.nih.jobs.www  (https)  [v4R] 2/0.161925s  [v6R] 2/0.139054s	0.212927	34228	1.23	0.157814	34228	1.66	135%	graph
gov.nih.newsinhealth  (https)	0.088206	31416	2.72	0.085369	31416	2.82	104%	graph
gov.nih.niaaa.www  (https)	0.320402	58385	1.39	0.121914	58385	3.68	264%	graph
gov.nih.nlm.ncbi.www  (https)	0.068618	39223	4.40	0.700929	39223	0.43	10%	graph
gov.nih.salud  (https)	0.109595	72798	5.10	0.079805	72798	7.03	138%	graph
• gov.nih.www  (https)	0.088550	62629	5.43	0.058725	62629	8.24	152%	graph
gov.usa.www  (https)	0.027832	47199	13.34	0.043009	47199	8.37	63%	graph
org.recovercovid  (https)	0.077502	150328	14.89	0.008471	0	0	n/a	graph
IPv6 operational: 92% of linked subdomains (11/12), 83% of all linked domains (19/23)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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