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 2026.03.26 -

gov.uspto. | Department of Commerce	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.140093s  [v6R] 1/0.100935s	0.424086	467145	8.41	0.459718	466081	7.75	92%	graph
com.govdelivery.public  (https)  [v4R] 1/0.197698s  [v6R] 1/0.179746s	0.262110	7656	0.22	0.240494	7656	0.24	109%	graph
com.instagram.www  (https)	0.362502	607586	12.81	0.645775	607675	7.19	56%	graph
com.linkedin.www  (https)	0.481703	139896	2.22	0.200817	141175	5.39	243%	graph
com.x  (https)	0.160916	244522	11.66	0.003030	0	0	n/a	graph
com.youtube.www  (https)	0.209598	689985	25.19	0.250703	686687	20.96	83%	graph
gov.commerce.www  (https)	0.091649	4566	0.38	0.056626	4609	0.63	164%	graph
gov.doc.oig.www  (https)	0.129209	199845	11.82	0.068665	199844	22.42	190%	graph
gov.usa.www  (https)	0.036408	47231	10.01	0.059152	47231	6.11	61%	graph
gov.uspto.assignmentcenter  (https)	0.290359	11212	0.29	0.010706	0	0	n/a	graph
gov.uspto.certifiedcopycenter  (https)	0.100676	29610	2.26	0.089324	29610	2.54	112%	graph
gov.uspto.data  (https)	0.110318	20666	1.43	0.006287	0	0	n/a	graph
gov.uspto.developer  (https)	0.067912	29292	3.34	0.010928	0	0	n/a	graph
gov.uspto.eog-tmng  (https)	0.110856	42442	2.94	0.044353	42442	7.36	250%	graph
gov.uspto.estta  (https)	0.091311	34115	2.86	0.080316	34115	3.25	114%	graph
gov.uspto.fees  (https)	0.073485	5409	0.57	0.072200	5409	0.57	101%	graph
gov.uspto.globaldossier  (https)	0.276067	3570	0.10	0.005328	0	0	n/a	graph
gov.uspto.idm-tmng  (https)	0.096876	6832	0.54	0.289351	6832	0.18	33%	graph
gov.uspto.ipidentifier  (https)	0.100986	23888	1.82	0.064380	23888	2.85	156%	graph
gov.uspto.my  (https)	0.052153	16293	2.39	0.006382	0	0	n/a	graph
gov.uspto.patentcenter  (https)	0.098836	17787	1.38	0.285472	17787	0.48	34%	graph
gov.uspto.ptacts  (https)	0.067394	1504	0.17	0.070827	1504	0.16	96%	graph
gov.uspto.tbmp  (https)  [v4R] 1/0.060278s  [v6R] 1/1.060256s	0.221476	27919	0.96	1.248594	27919	0.17	18%	graph
gov.uspto.tmep  (https)  [v4R] 1/0.052063s  [v6R] 1/0.066802s	0.231282	32418	1.07	0.249817	32418	0.99	93%	graph
gov.uspto.tmsearch  (https)	0.081420	110406	10.40	0.006275	0	0	n/a	graph
gov.uspto.trademarkcenter  (https)	0.061625	13620	1.70	0.022900	0	0	n/a	graph
gov.uspto.tsdr  (https)	0.160983	134	0.01	0.010527	0	0	n/a	graph
gov.uspto.ttabcenter  (https)	0.165312	13274	0.61	0.013717	0	0	n/a	graph
gov.uspto.ttabvue  (https)  [v4R] 1/0.049759s  [v6R] 1/0.065848s	0.295183	30031	0.78	0.105846	30031	2.18	281%	graph
• gov.uspto.www  (https)	0.070164	126115	13.75	0.033788	126115	29.16	212%	graph
IPv6 operational: 57% of linked subdomains (12/21), 67% of all linked domains (20/30)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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