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 2026.10.24 -

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] 1/0.060277s	0.422323	419833	7.59	0.310796	419861	10.33	136%	graph
com.github  (https)	0.026871	580255	170.27	0.003037	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.065322s  [v6R] 2/0.094108s	0.100701	118475	9.04	0.131250	118475	6.90	76%	graph
com.google.www  (https)	0.069944	86881	9.61	0.068213	86719	9.73	101%	graph
com.linkedin.www  (https)	0.200088	140465	5.36	0.149228	140465	7.19	134%	graph
com.twitter  (https)  [v4R] 1/0.072597s	0.176462	40319	1.75	0.002427	0	0	n/a	graph
com.youtube.www  (https)	0.213944	958724	34.34	0.209187	958738	35.00	102%	graph
gov.hhs.www  (https)	0.034393	365	0.08	0.035435	365	0.08	97%	graph
gov.nih.nlm.ncbi.account  (https)	0.304407	5117173	128.42	1.682302	5117173	23.21	18%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.030106	119140	30.30	0.036052	119140	25.25	83%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.041244	159233	29.63	0.008559	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.078987	42528	4.16	0.096005	42528	3.38	81%	graph
gov.nih.nlm.ncbi.www  (https)	0.040191	39223	7.48	0.041189	39223	7.30	98%	graph
gov.nih.nlm.support  (https)	0.155793	46172	2.27	0.007465	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.072681	34729	3.68	0.086049	34729	3.08	84%	graph
gov.nih.www  (https)	0.033186	5480	1.27	0.042981	5505	1.00	79%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.031361s  [v6R] 1/0.030702s	0.107139	42528	3.03	0.134384	42528	2.42	80%	graph
gov.usa.www  (https)	0.020170	48647	18.56	0.022476	48647	16.87	91%	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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