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 2026.02.23 -

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] 1/0.093669s  [v6R] 1/0.076090s	0.390482	459930	9.00	0.325087	460294	10.81	120%	graph
com.flickr.www  (https)	0.051589	44780	6.70	0.068450	44780	5.02	75%	graph
com.googletagmanager.www  (https)	0.040887	1561	0.30	0.039320	1561	0.31	103%	graph
com.instagram.www  (https)	0.462154	586986	9.69	0.482647	587065	9.29	96%	graph
com.twitter  (https)  [v4R] 1/0.071426s	0.228703	237237	7.94	0.002386	0	0	n/a	graph
com.youtube.www  (https)	0.234339	690832	22.52	0.186365	681951	27.97	124%	graph
gov.hhs.oig  (https)	0.065465	40815	4.79	0.004114	0	0	n/a	graph
gov.hhs.www	0.018838	365	0.15	0.021904	365	0.13	86%	graph
gov.hhs.www  (https)	0.062617	365	0.04	0.045211	365	0.06	138%	graph
gov.medlineplus  (https)	0.040244	26445	5.04	0.038983	26445	5.31	105%	graph
gov.nih.calendar  (https)	0.130851	10093	0.59	0.092381	10093	0.84	141%	graph
gov.nih.education.science  (https)	0.111117	192358	13.22	0.023091	0	0	n/a	graph
gov.nih.eeo  (https)	0.086619	5461	0.48	0.058749	5486	0.72	149%	graph
gov.nih.grants  (https)	0.170397	71681	3.22	0.067613	71681	8.16	254%	graph
gov.nih.heal  (https)  [v4R] 1/0.105584s	0.192141	52118	2.07	0.023168	0	0	n/a	graph
gov.nih.hr  (https)	0.074369	31254	3.22	0.120331	31254	1.99	62%	graph
gov.nih.irp  (https)	0.238909	73478	2.36	0.250564	73478	2.24	95%	graph
gov.nih.jobs.www  (https)	0.066563	5461	0.63	0.062639	5486	0.68	107%	graph
gov.nih.lrp.www  (https)  [v4R] 1/0.089626s  [v6R] 1/0.049219s	0.285937	97292	2.60	0.167802	97292	4.44	171%	graph
gov.nih.ncats  (https)	0.205072	50317	1.87	0.023086	0	0	n/a	graph
gov.nih.nei.www  (https)	0.115688	57709	3.83	0.109488	57709	4.04	106%	graph
gov.nih.newsinhealth  (https)	0.172512	29014	1.29	0.138561	29014	1.60	125%	graph
gov.nih.od.nexus  (https)  [v4R] 1/0.168910s  [v6R] 1/0.106441s	0.276593	130002	3.59	0.170953	130002	5.83	162%	graph
gov.nih.salud  (https)	0.187835	70092	2.86	0.159604	70092	3.36	118%	graph
gov.nih.www  [v4R] 1/0.027426s  [v6R] 1/0.134222s	0.158346	56936	2.75	0.370279	56936	1.17	43%	graph
• gov.nih.www  (https)	0.125677	56936	3.48	0.122844	56936	3.56	102%	graph
gov.usa.www  (https)	0.047625	47580	7.72	0.060974	47580	6.05	78%	graph
org.recovercovid  (https)	0.158747	150580	7.27	0.008359	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

For comments, questions or suggested domains please contact: [email protected]