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 2025.12.30 -

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)  [v4R] 1/0.059537s  [v6R] 1/0.091932s	0.140694	74399	4.05	0.196925	80818	3.15	78%	graph
com.googletagmanager.www  (https)	0.040227	1561	0.30	0.031912	1561	0.38	129%	graph
com.govdelivery.public  (https)  [v4R] 1/0.051434s  [v6R] 1/0.082549s	0.076872	7656	0.77	0.107657	7656	0.55	71%	graph
com.instagram.www  (https)	0.262473	809351	23.57	0.285668	808078	21.63	92%	graph
com.linkedin.www  (https)	0.214061	140072	4.99	0.190782	140071	5.62	113%	graph
com.siteimproveanalytics  (https)	0.236459	5237	0.17	0.230634	5237	0.17	103%	graph
com.twitter  (https)  [v4R] 1/0.061823s	0.168643	230256	10.46	0.004128	0	0	n/a	graph
com.youtube.www  (https)	0.202594	685833	25.90	0.224354	687603	23.42	90%	graph
gov.acquisition  (https)  [v4R] 1/0.135195s	0.163995	64831	3.03	0.005418	0	0	n/a	graph
gov.acquisitiongateway  (https)	0.038217	3754	0.75	0.020294	0	0	n/a	graph
gov.cbca.www  (https)	0.220561	20906	0.72	0.000	0	0	n/a	graph
gov.challenge  [v4R] 2/0.207276s	0.533313	26438	0.38	0.004151	0	0	n/a	graph
gov.data  [v4R] 1/0.003808s  [v6R] 1/0.004314s	0.026118	120003	35.21	0.026279	120003	35.21	100%	graph
gov.data.www  (https)  [v4R] 1/0.219948s  [v6R] 1/0.220115s	0.252508	120003	3.63	0.244512	120003	3.75	103%	graph
gov.gsa.coe  (https)	0.309980	21527	0.53	0.038840	21527	4.32	813%	graph
gov.gsa.ebuy.www  (https)	0.203311	105	0.00	0.052589	0	0	n/a	graph
gov.gsa.gsaelibrary.www  (https)	0.202473	124	0.00	0.053838	0	0	n/a	graph
gov.gsa.search  (https)	0.040088	71620	13.66	0.007409	0	0	n/a	graph
gov.gsa.vsc  (https)	0.052339	5450	0.80	0.006301	0	0	n/a	graph
• gov.gsa.www  (https)	0.037705	197308	40.68	0.028173	197308	53.76	132%	graph
gov.gsaadvantage.www  (https)	0.186018	142	0.01	0.057266	0	0	n/a	graph
gov.gsaauctions.www  (https)	0.057755	2885	0.39	0.050324	2885	0.44	114%	graph
gov.gsaig.www  (https)	0.482586	62616	0.99	0.217832	62616	2.20	222%	graph
gov.sam  (https)	0.024992	60467	19.22	0.024139	60467	19.22	100%	graph
gov.sba.www  (https)	0.070444	125193	13.64	0.025754	125193	38.21	280%	graph
gov.state.aoprals  (https)  [v4R] 1/0.200757s	0.455826	32611	0.55	0.009498	0	0	n/a	graph
gov.usa.www  (https)	0.018323	47068	19.95	0.018637	47068	19.95	100%	graph
gov.whitehouse.www  (https)	0.023443	174147	57.77	0.028368	174147	47.45	82%	graph
mil.dod.travel.www  (https)	0.042222	376	0.07	0.038492	376	0.08	111%	graph
IPv6 operational: 44% of linked subdomains (4/9), 62% of all linked domains (18/29)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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