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 2025.06.01 -

gov.dot. | Department of Transportation	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v6R] 1/0.033709s	0.108051	79250	5.60	0.083971	76634	7.04	126%	graph
com.fontawesome.use  (https)	0.069723	27150	3.00	0.073290	27150	2.84	95%	graph
com.govdelivery.public  (https)  [v4R] 1/0.171673s  [v6R] 1/0.159111s	0.228595	8657	0.29	0.259116	8657	0.26	88%	graph
com.instagram.www  (https)	0.343547	448815	9.98	0.271586	447234	12.59	126%	graph
com.libanswers.transportation  (https)	0.092970	38412	3.19	0.003306	0	0	n/a	graph
com.linkedin.www  (https)	0.585185	138931	1.81	0.137379	138931	7.74	427%	graph
com.twitter  (https)  [v4R] 1/0.057378s	0.163594	265516	12.43	0.001206	0	0	n/a	graph
com.youtube.www  (https)	0.163003	612020	28.65	0.146565	613304	32.05	112%	graph
gov.bts.www  (https)	0.049094	74648	11.62	0.045868	74648	12.66	109%	graph
gov.dot.fmcsa.www  (https)	0.179775	68283	2.91	0.051686	68283	10.21	351%	graph
gov.dot.highways  (https)	0.107110	61165	4.36	0.170886	61165	2.75	63%	graph
gov.dot.maritime.www  (https)	0.132743	71530	4.13	0.158841	71530	3.45	84%	graph
gov.dot.oig.www  (https)	0.530404	66850	0.96	0.128210	0	0	n/a	graph
gov.dot.phmsa.www  (https)	0.169780	62880	2.84	0.039978	62867	12.30	433%	graph
gov.dot.railroads  (https)	0.177294	72647	3.13	0.082498	72647	6.76	216%	graph
gov.dot.seaway.www  (https)	0.252355	31956	0.97	0.041993	31956	5.95	615%	graph
gov.dot.transit.www  (https)	0.132368	54327	3.14	0.059370	54327	7.03	224%	graph
gov.dot.volpe.www  (https)	0.198570	67491	2.60	0.490289	67491	1.05	40%	graph
• gov.dot.www  (https)  [v4R] 1/0.122467s  [v6R] 1/0.031622s	0.153308	72497	3.62	0.074623	72497	7.47	207%	graph
gov.faa.www  (https)	0.101916	90311	6.82	0.122054	90311	5.65	83%	graph
gov.nhtsa.www  (https)	0.101708	94002	7.10	0.053103	94002	13.53	191%	graph
gov.transportation.www  (https)	0.026363	72497	21.27	0.059485	72497	9.37	44%	graph
gov.usa.www  (https)	0.019324	47950	19.25	0.020039	47950	18.29	95%	graph
IPv6 operational: 90% of linked subdomains (9/10), 87% of all linked domains (20/23)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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