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 2025.04.16 -

gov.loc. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  (https)  [v4R] 1/0.045167s  [v6R] 1/0.055577s	0.081196	129959	12.24	0.106416	129959	9.35	76%	graph
com.facebook.www  (https)  [v4R] 1/0.066245s  [v6R] 1/0.040346s	0.172446	76793	3.41	0.118726	74436	4.81	141%	graph
com.flickr.www  (https)	0.061604	47234	5.91	0.056032	47234	6.44	109%	graph
com.instagram  (https)  [v4R] 1/0.100073s  [v6R] 1/0.107589s	0.408625	441024	8.25	0.368205	441134	9.15	111%	graph
com.myshopify.library-of-congress-shop  (https)	0.247028	313557	9.69	0.093861	313557	25.72	266%	graph
com.pinterest.www  (https)	0.236700	463448	14.98	0.003402	0	0	n/a	graph
com.x  (https)	0.129697	256246	15.16	0.003432	0	0	n/a	graph
com.youtube.www  (https)	0.147746	589811	30.61	0.312924	592895	14.50	47%	graph
gov.congress.www  (https)	0.041518	7023	1.31	0.044550	7108	1.23	94%	graph
gov.copyright  [v4R] 1/0.053633s  [v6R] 1/0.054268s	0.181452	55373	2.33	0.213410	55373	1.98	85%	graph
gov.copyright  (https)	0.180048	55373	2.35	0.206137	55373	2.05	87%	graph
gov.loc  (https)  [v4R] 1/0.053954s  [v6R] 1/0.046212s	0.107013	170724	12.17	0.113267	170724	11.53	95%	graph
gov.loc.ask  (https)	0.076542	45186	4.54	0.007528	0	0	n/a	graph
gov.loc.blogs  (https)	0.071804	54181	5.82	0.043321	54181	9.61	165%	graph
gov.loc.catalog  (https)	0.099128	24317	1.87	0.098320	24317	1.89	101%	graph
gov.loc.lcm  (https)	0.047012	171029	27.76	0.056589	171029	23.30	84%	graph
gov.loc.newsroom  (https)	0.093217	103948	8.53	0.098265	103948	8.09	95%	graph
gov.loc.www  [v4R] 1/0.056682s  [v6R] 1/0.066671s	0.121061	170724	10.76	0.125220	170724	10.42	97%	graph
• gov.loc.www  (https)	0.052700	170724	25.05	0.050595	170724	26.05	104%	graph
net.research.www  (https)	0.076764	279820	28.09	0.003353	0	0	n/a	graph
org.purl  [v4R] 2/0.353209s	1.362039	5368	0.03	0.003458	0	0	n/a	graph
IPv6 operational: 88% of linked subdomains (7/8), 76% of all linked domains (16/21)	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: itrg-contact@list.nist.gov