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 2026.07.21 -

gov.gsa. | General Services Administration	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.467908	422427	6.90	0.920702	423866	3.52	51%	graph
com.googletagmanager.www  (https)	0.335407	1561	0.04	0.055740	1561	0.22	609%	graph
com.govdelivery.public  (https)  [v4R] 1/0.063118s  [v6R] 1/0.074677s	1.117126	7681	0.05	0.108981	7681	0.54	1034%	graph
com.instagram.www  (https)	0.536413	395939	5.64	0.366552	396285	8.26	147%	graph
com.linkedin.www  (https)	0.418238	141608	2.58	0.253013	141608	4.27	165%	graph
com.truthsocial  (https)	0.029949	4550	1.20	0.002364	0	0	n/a	graph
com.twitter  (https)  [v4R] 1/0.076673s	0.301143	266111	6.75	0.004128	0	0	n/a	graph
com.youtube.www  (https)	0.533913	836077	11.97	0.315895	817634	19.80	165%	graph
gov.acquisition  (https)  [v4R] 1/0.215802s	0.285082	62439	1.67	0.003031	0	0	n/a	graph
gov.acquisitiongateway  (https)	0.295820	19603	0.51	0.014119	0	0	n/a	graph
gov.cbca.www  (https)	1.497813	29505	0.15	0.000	0	0	n/a	graph
gov.data  [v4R] 1/0.011725s  [v6R] 1/0.012248s	0.060497	121511	15.45	0.292352	121511	3.17	21%	graph
gov.data.www  (https)  [v4R] 1/0.320424s  [v6R] 1/0.286704s	1.049175	121511	0.88	0.349421	121511	2.66	301%	graph
gov.gsa.coe  (https)	0.350818	21527	0.47	0.258380	21527	0.64	136%	graph
gov.gsa.ebuy.www  (https)	0.253346	105	0.00	0.053594	0	0	n/a	graph
gov.gsa.gsaelibrary.www  (https)	0.513236	124	0.00	0.053603	0	0	n/a	graph
gov.gsa.search  (https)	0.043768	919	0.16	0.005191	0	0	n/a	graph
gov.gsa.vsc  (https)	0.064416	5449	0.65	0.008319	0	0	n/a	graph
• gov.gsa.www  (https)	0.074866	188512	19.44	0.054361	188512	26.63	137%	graph
gov.gsaadvantage.www  (https)	0.000	0	0	0.053598	0	0	n/a	graph
gov.gsaauctions.www  (https)	0.103148	2885	0.21	0.506275	2885	0.04	20%	graph
gov.gsaig.www  (https)	0.137542	65501	3.65	0.065140	65501	7.69	211%	graph
gov.sam  (https)	0.047907	55356	8.99	0.059777	55356	7.16	80%	graph
gov.sba.www  (https)	0.082695	124119	11.55	1.070309	124119	0.89	8%	graph
gov.state.aoprals  (https)	0.000	0	0	0.005161	0	0	n/a	graph
gov.usa.www  (https)	0.049315	47199	7.35	0.069272	47199	5.22	71%	graph
gov.whitehouse.www  (https)	0.054132	295348	41.73	0.069957	295348	32.66	78%	graph
mil.dod.travel.www  (https)	0.045829	376	0.06	0.066852	376	0.04	68%	graph
IPv6 operational: 44% of linked subdomains (4/9), 61% of all linked domains (17/28)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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