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 2025.09.17 -

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] 1/0.140927s  [v6R] 1/0.137506s	0.356196	75458	1.62	0.309168	75596	1.87	115%	graph
com.flickr.www  (https)	0.049649	46343	7.22	0.040688	46343	8.84	123%	graph
com.googletagmanager.www  (https)	0.039217	1561	0.31	0.031416	1561	0.38	126%	graph
com.instagram.www  (https)	0.399056	623206	11.92	0.370691	628485	12.96	109%	graph
com.twitter  (https)  [v4R] 1/0.069689s	0.195717	221001	8.65	0.001240	0	0	n/a	graph
com.youtube.www  (https)	0.211417	656387	23.73	0.165246	660477	30.54	129%	graph
gov.hhs.oig  (https)	0.105244	35796	2.60	0.003327	0	0	n/a	graph
gov.hhs.www	0.020029	365	0.14	0.014275	363	0.20	142%	graph
gov.hhs.www  (https)	0.028890	365	0.10	0.031406	363	0.09	90%	graph
gov.medlineplus  (https)	0.034588	26542	5.96	0.031592	26542	6.53	110%	graph
gov.nih.calendar  (https)	0.059829	10093	1.31	0.079182	10093	0.97	75%	graph
gov.nih.education.science  (https)	0.111064	192266	13.22	0.007872	0	0	n/a	graph
gov.nih.eeo  (https)	0.042230	5448	0.99	0.128918	5473	0.33	33%	graph
gov.nih.grants  (https)	0.122950	71392	4.46	0.081742	71392	6.72	151%	graph
gov.nih.heal  (https)	0.033309	61271	14.17	0.015789	0	0	n/a	graph
gov.nih.hr  (https)	0.161611	28848	1.37	0.057354	28848	3.86	282%	graph
gov.nih.irp  (https)	0.123793	75127	4.66	0.108339	75127	5.31	114%	graph
gov.nih.jobs.www  (https)	0.047453	5448	0.88	0.084744	5473	0.50	56%	graph
gov.nih.lrp.www  (https)  [v4R] 1/0.186660s  [v6R] 1/0.081001s	0.312058	73280	1.79	0.193507	73280	2.90	162%	graph
gov.nih.newsinhealth  (https)	0.179158	30046	1.28	0.092029	30046	2.49	195%	graph
gov.nih.nhlbi.www  (https)	0.263334	96740	2.81	0.079734	96740	9.34	333%	graph
gov.nih.niaaa.alcoholtreatment  (https)	0.101116	25699	1.94	0.136042	25699	1.44	74%	graph
gov.nih.niaaa.www  (https)	0.156822	62695	3.07	0.132233	62695	3.62	118%	graph
gov.nih.od.nexus  (https)  [v4R] 1/0.121719s  [v6R] 1/0.087843s	0.223829	103561	3.54	0.194336	103561	4.07	115%	graph
gov.nih.salud  (https)	0.091489	67432	5.65	0.132871	67432	3.90	69%	graph
gov.nih.www  [v4R] 1/0.022197s  [v6R] 1/0.013043s	0.182678	57119	2.39	0.173378	57119	2.52	105%	graph
• gov.nih.www  (https)	0.350665	57119	1.25	0.059084	57119	7.39	593%	graph
gov.usa.www  (https)	0.028406	48043	13.09	0.027759	48043	13.58	104%	graph
org.recovercovid  (https)	0.117286	286225	18.66	0.015826	0	0	n/a	graph
IPv6 operational: 88% of linked subdomains (15/17), 83% of all linked domains (24/29)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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