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 2026.03.17 -

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] 1/0.096931s  [v6R] 1/1.775441s	0.578991	464731	6.13	2.087632	464933	1.70	28%	graph
com.flickr.www  (https)	0.053447	54479	7.84	0.501226	54479	0.83	11%	graph
com.googletagmanager.www  (https)	0.565534	1561	0.02	0.061468	1561	0.20	927%	graph
com.instagram.www  (https)	0.643419	600197	7.12	0.455816	605449	10.15	143%	graph
com.twitter  (https)  [v4R] 1/1.362486s	1.753078	238714	1.04	0.002734	0	0	n/a	graph
com.youtube.www  (https)	0.325258	680294	15.97	0.306468	684149	17.06	107%	graph
gov.hhs.oig  (https)	0.437365	52132	0.91	0.006391	0	0	n/a	graph
gov.hhs.www	0.016673	365	0.17	0.246802	363	0.01	6%	graph
gov.hhs.www  (https)	0.050405	365	0.06	0.254181	365	0.01	20%	graph
gov.medlineplus  (https)	0.055818	26445	3.67	0.075195	26445	2.69	73%	graph
gov.nih.calendar  (https)	0.542411	10093	0.14	0.130750	10093	0.59	417%	graph
gov.nih.education.science  (https)	0.429106	190481	3.39	0.022960	0	0	n/a	graph
gov.nih.eeo  (https)	1.337717	5461	0.03	0.051060	5486	0.82	2634%	graph
gov.nih.grants  (https)	0.084889	74827	6.80	1.376713	74827	0.41	6%	graph
gov.nih.heal  (https)  [v4R] 1/0.097769s	0.197276	55321	2.14	0.023002	0	0	n/a	graph
gov.nih.hr  (https)	1.182259	31177	0.20	0.084277	31177	2.83	1407%	graph
gov.nih.irp  (https)	0.347022	73478	1.62	0.209322	73478	2.68	166%	graph
gov.nih.jobs.www  (https)	0.286075	5461	0.15	0.162322	5486	0.26	177%	graph
gov.nih.lrp.www  (https)  [v4R] 1/0.109140s  [v6R] 1/1.131694s	0.234269	98127	3.20	1.368469	98127	0.55	17%	graph
gov.nih.nei.www  (https)	0.150713	58149	2.96	0.119440	58149	3.73	126%	graph
gov.nih.newsinhealth  (https)	0.284129	28628	0.77	0.027892	0	0	n/a	graph
gov.nih.od.nexus  (https)  [v4R] 1/0.097814s  [v6R] 1/1.459496s	0.191142	67410	2.69	1.673876	67410	0.31	11%	graph
gov.nih.salud  (https)	0.174967	70054	3.07	0.017827	0	0	n/a	graph
gov.nih.www  [v4R] 1/0.019394s	0.083041	59592	5.48	0.004117	0	0	n/a	graph
• gov.nih.www  (https)	0.000	0	0	0.002748	0	0	n/a	graph
gov.usa.www  (https)	0.038381	47580	9.55	0.924126	47580	0.39	4%	graph
org.recovercovid  (https)	0.610241	150458	1.88	0.008383	0	0	n/a	graph
IPv6 operational: 60% of linked subdomains (9/15), 67% of all linked domains (18/27)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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