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 2025.07.08 -

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] 1/0.075099s  [v6R] 1/0.043560s	0.209335	77533	2.83	0.109078	75130	5.26	186%	graph
com.flickr.www  (https)	0.034758	47366	10.63	0.043679	47366	8.40	79%	graph
com.googletagmanager.www  (https)	0.029515	1561	0.41	0.032279	1561	0.37	91%	graph
com.instagram.www  (https)	0.437842	635728	11.10	0.425860	630621	11.32	102%	graph
com.twitter  (https)  [v4R] 1/0.062016s	0.177506	269171	11.60	0.001181	0	0	n/a	graph
com.youtube.www  (https)	0.205167	603912	22.48	0.218254	606594	21.23	94%	graph
gov.hhs.oig  (https)	0.039028	35379	6.92	0.064085	0	0	n/a	graph
gov.hhs.www	0.017801	365	0.16	0.016845	365	0.17	106%	graph
gov.hhs.www  (https)	0.041895	365	0.07	0.027475	365	0.10	152%	graph
gov.medlineplus  (https)	0.026464	26542	7.79	0.031962	26542	6.53	84%	graph
gov.nih.calendar  (https)	0.051086	10093	1.51	0.051211	10093	1.51	100%	graph
gov.nih.education.science  (https)	0.077930	192326	19.06	0.007760	0	0	n/a	graph
gov.nih.eeo  (https)	0.036551	5448	1.15	0.048823	5473	0.87	75%	graph
gov.nih.grants  (https)	0.127863	71708	4.31	0.263286	71708	2.08	48%	graph
gov.nih.heal  (https)	0.041523	61270	11.40	0.007453	0	0	n/a	graph
gov.nih.hr  (https)	0.346679	219564	4.84	0.003330	0	0	n/a	graph
gov.nih.irp  (https)	0.105420	74105	5.38	0.131949	74105	4.32	80%	graph
gov.nih.jobs.www  (https)	0.045300	5448	0.92	0.051178	5473	0.82	89%	graph
gov.nih.lrp.www  (https)	0.094706	111617	9.06	0.091111	111617	9.36	103%	graph
gov.nih.newsinhealth  (https)	0.071346	29237	3.14	0.125646	29237	1.78	57%	graph
gov.nih.niaaa.www  (https)	0.108797	62963	4.45	0.118121	62963	4.07	92%	graph
gov.nih.niddk.www  (https)	0.039659	67808	13.26	0.044628	67808	11.76	89%	graph
gov.nih.od.nexus  (https)  [v4R] 1/0.073633s  [v6R] 1/0.064343s	0.197528	90474	3.50	0.149144	90474	4.63	132%	graph
gov.nih.salud  (https)	2.215890	68057	0.23	0.112563	68057	4.64	1978%	graph
gov.nih.www  [v4R] 1/0.018525s  [v6R] 1/0.011109s	0.110925	61479	4.26	0.066818	61479	7.11	167%	graph
• gov.nih.www  (https)	0.069504	61479	6.80	0.056199	61479	8.38	123%	graph
gov.usa.www  (https)	0.023190	48043	15.94	0.022193	48043	16.66	105%	graph
org.recovercovid  (https)	0.074595	286051	29.49	0.003348	0	0	n/a	graph
IPv6 operational: 81% of linked subdomains (13/16), 79% of all linked domains (22/28)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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