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 2021.05.15 -

gov.digitalpreservation. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  [v4R] 4/0.343s  [v6R] 1/0.111s	0.356	65684	1.41	0.111	0	0	n/a	graph
com.facebook.www  [v4R] 1/0.025s  [v6R] 1/0.034s	0.256	196716	5.86	0.273	196838	5.50	94%	graph
com.flickr.www  [v4R] 1/0.014s  [v6R] 1/0.049s	0.217	319234	11.24	0.397	319211	6.14	55%	graph
com.pinterest.www  [v4R] 1/0.076s	0.337	92584	2.10	0.004	0	0	n/a	graph
com.twitter  [v4R] 1/0.159s	0.819	63819	0.59	0.000	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.027s  [v6R] 1/0.027s	0.339	508338	11.46	0.373	531008	10.85	95%	graph
gov.digitalpreservation.www  [v4R] 1/0.091s  [v6R] 1/0.096s	0.383	21927	0.44	0.379	21927	0.44	101%	graph
• gov.digitalpreservation.www  (https)	0.298	21927	0.56	0.301	21927	0.56	99%	graph
gov.digitizationguidelines.www	0.221	14181	0.49	0.232	14181	0.47	95%	graph
gov.loc  (https)	0.345	170719	3.78	0.351	170719	3.71	98%	graph
gov.loc.ask  (https)	0.308	45337	1.12	0.000	0	0	n/a	graph
gov.loc.blogs  [v4R] 1/0.072s  [v6R] 1/0.031s	0.223	39773	1.36	0.173	39773	1.76	129%	graph
gov.loc.catalog  [v4R] 1/0.083s  [v6R] 1/0.093s	0.328	25180	0.59	0.330	25180	0.58	99%	graph
gov.loc.labs  (https)	0.359	118305	2.52	0.306	118305	2.95	117%	graph
gov.loc.www  (https)	0.201	170719	6.46	0.326	170719	4.00	62%	graph
gov.usa.www  [v4R] 1/0.047s  [v6R] 1/0.049s	0.282	107769	2.91	0.288	107769	2.85	98%	graph
network.dpoe  [v4R] 2/0.523s	0.736	48486	0.50	0.004	0	0	n/a	graph
org.archive.web  (https)	0.575	96251	1.28	0.004	0	0	n/a	graph
org.ndsr-program  (https)	0.387	60656	1.20	0.004	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (2/2), 63% of all linked domains (12/19)	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: usgv6-deploymon@nist.gov