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 2026.03.26 -

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] 1/0.344135s	0.886361	465278	4.01	0.565731	462902	6.25	156%	graph
com.flickr.www  (https)	0.133730	55207	3.17	0.053177	55207	7.95	251%	graph
com.googletagmanager.www  (https)	0.259275	1561	0.05	0.051654	1561	0.23	508%	graph
com.instagram.www  (https)	0.379065	601925	12.12	0.467321	602030	9.84	81%	graph
com.twitter  (https)  [v4R] 1/0.099043s	0.321563	244522	5.81	0.012458	0	0	n/a	graph
com.youtube.www  (https)	0.241667	688054	21.78	0.599288	691695	8.81	40%	graph
gov.hhs.oig  (https)	0.417429	53197	0.97	0.004116	0	0	n/a	graph
gov.hhs.www	0.019499	365	0.15	0.028129	365	0.10	68%	graph
gov.hhs.www  (https)	1.327422	365	0.00	0.059628	365	0.05	2249%	graph
gov.medlineplus  (https)	0.080894	26445	2.52	0.050610	26445	4.04	160%	graph
gov.nih.calendar  (https)	0.571902	10093	0.13	0.123337	10093	0.63	464%	graph
gov.nih.education.science  (https)	0.200280	190481	7.27	0.022943	0	0	n/a	graph
gov.nih.eeo  (https)	0.338671	5461	0.12	0.076929	5486	0.55	447%	graph
gov.nih.grants  (https)	0.108318	76214	5.38	0.174072	76214	3.34	62%	graph
gov.nih.heal  (https)  [v4R] 1/0.106122s	0.167746	55317	2.53	0.023040	0	0	n/a	graph
gov.nih.hr  (https)	0.133480	31177	1.79	0.092774	31177	2.59	145%	graph
gov.nih.irp  (https)	0.631357	73478	0.89	0.398390	73478	1.41	159%	graph
gov.nih.jobs.www  (https)	0.105660	5461	0.40	0.271269	0	0	n/a	graph
gov.nih.lrp.www  (https)  [v4R] 1/0.106616s  [v6R] 1/0.062170s	0.318304	98144	2.35	0.206333	98144	3.63	154%	graph
gov.nih.nei.www  (https)	0.381518	62414	1.25	1.136617	62414	0.42	34%	graph
gov.nih.newsinhealth  (https)	0.052392	28628	4.20	0.023119	0	0	n/a	graph
gov.nih.od.nexus  (https)  [v4R] 1/0.093413s  [v6R] 1/1.073143s	0.241745	67547	2.14	1.172461	67547	0.44	21%	graph
gov.nih.salud  (https)	0.057171	70054	9.38	0.022734	0	0	n/a	graph
gov.nih.www  [v4R] 1/0.008463s	0.301674	59592	1.51	0.022849	0	0	n/a	graph
• gov.nih.www  (https)	1.077642	59592	0.42	0.003029	0	0	n/a	graph
gov.usa.www  (https)	1.052588	47231	0.34	0.044753	47231	8.19	2391%	graph
org.recovercovid  (https)	0.116802	150403	9.89	0.013509	0	0	n/a	graph
IPv6 operational: 53% of linked subdomains (8/15), 63% of all linked domains (17/27)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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