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 2025.12.04 -

gov.pubmed. | 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] 1/0.115565s  [v6R] 1/0.150503s	0.252032	75275	2.28	0.264698	81009	2.34	103%	graph
com.github  (https)	0.051960	562104	84.09	0.005242	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.049649s  [v6R] 2/0.054558s	0.075140	118475	12.05	0.083186	118475	10.89	90%	graph
com.google.www  (https)	0.068196	17864	2.00	0.053038	17841	2.57	128%	graph
com.linkedin.www  (https)	0.188011	140062	5.68	0.220537	140066	4.86	85%	graph
com.twitter  (https)  [v4R] 1/0.055210s	0.179059	224831	9.58	0.003033	0	0	n/a	graph
com.youtube.www  (https)	0.180092	704917	29.88	0.166650	709014	32.59	109%	graph
gov.hhs.www  (https)	0.024781	365	0.12	0.037062	365	0.08	65%	graph
gov.nih.nlm.ncbi.account  (https)	0.255773	4745827	141.99	0.300409	4745827	120.69	85%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.037010	119140	24.57	0.037555	119140	24.57	100%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.075951	147127	14.97	0.013618	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.078152	42425	4.15	0.080286	42425	4.05	97%	graph
gov.nih.nlm.ncbi.www  (https)	0.031698	37806	9.30	0.041465	37806	7.04	76%	graph
gov.nih.nlm.support  (https)	0.188969	43787	1.78	0.002177	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.091408	34769	2.92	0.085615	34769	3.12	107%	graph
gov.nih.www  (https)	0.185336	56289	2.32	0.082362	56289	5.24	226%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.030518s  [v6R] 1/0.037129s	0.147719	42425	2.20	0.147671	42425	2.20	100%	graph
gov.usa.www  (https)	0.029034	47111	12.39	0.020270	47111	17.97	145%	graph
IPv6 operational: 100% of linked subdomains (1/1), 78% of all linked domains (14/18)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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