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 2025.04.20 -

gov.fdlp. | Government Publishing Office	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v6R] 1/0.032605s	0.336359	78985	1.79	0.125221	76809	4.69	261%	graph
com.instagram.www  [v4R] 1/0.007604s  [v6R] 1/0.007485s	0.260770	439196	12.89	0.240747	439100	13.96	108%	graph
com.linkedin.www  (https)	0.181968	137993	5.82	0.224257	138416	4.71	81%	graph
com.pinterest.www  [v4R] 1/0.006503s	0.279991	472054	12.91	0.003378	0	0	n/a	graph
com.twitter  (https)  [v4R] 1/0.055360s	0.162197	257772	12.14	0.001181	0	0	n/a	graph
com.youtube.www  (https)	0.187031	595853	24.31	0.167473	600780	27.45	113%	graph
gov.fdlp.libguides  (https)	0.177343	38656	1.67	0.151047	38656	1.95	117%	graph
gov.fdlp.purlreferrals  (https)	0.038561	2990	0.60	0.001182	0	0	n/a	graph
gov.fdlp.selections  (https)  [v4R] 6/0.759232s	0.776997	3496	0.03	0.015639	0	0	n/a	graph
• gov.fdlp.www  (https)	0.108894	45290	3.20	0.114116	45290	3.03	95%	graph
gov.govinfo.www  (https)	0.082926	63004	5.86	0.076484	63004	6.32	108%	graph
gov.gpo.ask  (https)  [v4R] 1/0.085711s	0.340948	20095	0.45	0.015806	0	0	n/a	graph
gov.gpo.bensguide  (https)	0.000	0	0	4.212617	802	0.00	n/a	graph
gov.gpo.bookstore  (https)	0.051239	7010	1.05	0.046958	7052	1.17	112%	graph
gov.gpo.catalog  (https)	0.886574	363	0.00	0.724799	363	0.00	122%	graph
gov.gpo.discover  (https)  [v4R] 2/0.209785s  [v6R] 2/0.215478s	0.254604	4816	0.14	0.258135	4816	0.14	98%	graph
gov.gpo.govbooktalk  [v4R] 1/0.012779s	0.036579	277504	58.81	0.001173	0	0	n/a	graph
gov.gpo.www  (https)	0.130458	94146	5.53	0.105272	94146	6.84	124%	graph
IPv6 operational: 50% of linked subdomains (2/4), 67% of all linked domains (12/18)	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