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 2025.05.15 -

gov.flightrights. | Department of Transportation	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.aa.www  (https)	0.130025	0	0	0.003357	0	0	n/a	graph
com.alaskaair.www  (https)	0.103365	3101	0.23	0.003404	0	0	n/a	graph
com.allegiantair.www  (https)	0.033026	6958	1.61	0.007546	0	0	n/a	graph
com.delta.www  (https)	0.034136	189	0.04	0.003417	0	0	n/a	graph
com.facebook.www  (https)  [v6R] 1/0.039411s	0.154055	78445	3.89	0.144891	77647	4.11	106%	graph
com.flyfrontier.www  (https)	0.319959	120397	2.88	0.001213	0	0	n/a	graph
com.fontawesome.use  (https)	0.071116	27150	2.92	0.089784	27150	2.33	80%	graph
com.govdelivery.public  (https)  [v4R] 1/0.041835s  [v6R] 1/0.052880s	0.065322	8657	1.02	0.080878	8657	0.83	81%	graph
com.hawaiianairlines.www  (https)	0.535111	188169	2.68	0.003397	0	0	n/a	graph
com.instagram.www  (https)	0.336415	442495	10.05	0.447197	442734	7.56	75%	graph
com.jetblue.www  (https)	0.028017	30893	8.42	0.003378	0	0	n/a	graph
com.libanswers.transportation  (https)	0.082674	38412	3.57	0.003394	0	0	n/a	graph
com.linkedin.www  (https)	0.155406	138420	6.81	0.155910	138420	6.81	100%	graph
com.southwest.www  (https)	0.047349	8290	1.35	0.003361	0	0	n/a	graph
com.spirit.content  (https)	0.106990	4826	0.35	0.139467	4826	0.26	76%	graph
com.twitter  (https)  [v4R] 1/0.054860s	0.174539	264263	11.59	0.000101	0	0	n/a	graph
com.united.www  (https)	0.050505	0	0	0.001200	0	0	n/a	graph
com.youtube.www  (https)	0.142159	596370	32.04	0.266444	598645	17.17	54%	graph
gov.bts.www  (https)	0.088667	74166	6.43	0.082297	74166	6.90	107%	graph
gov.dot.fmcsa.www  (https)	0.269507	68296	1.94	0.032791	68296	16.28	841%	graph
gov.dot.highways  (https)	0.097288	61132	4.81	0.044831	61132	10.60	220%	graph
gov.dot.maritime.www  (https)	0.056357	71530	9.75	0.217890	71530	2.51	26%	graph
gov.dot.oig.www  (https)	0.592551	66072	0.85	0.128483	0	0	n/a	graph
gov.dot.phmsa.www  (https)	0.202507	62653	2.37	0.042444	62653	11.38	481%	graph
gov.dot.railroads  (https)	0.031945	72651	17.88	0.062079	72651	8.94	50%	graph
gov.dot.seaway.www  (https)	0.147304	31956	1.66	0.049119	31956	4.98	300%	graph
gov.dot.secure  (https)	0.058086	14929	1.96	0.044066	14929	2.59	132%	graph
gov.dot.transit.www  (https)	0.095440	54288	4.36	0.039242	54288	10.62	244%	graph
gov.dot.volpe.www  (https)	0.100215	67491	5.15	0.071968	67491	7.25	141%	graph
gov.faa.www  (https)	0.088782	89659	7.77	0.051816	89659	13.41	173%	graph
• gov.flightrights.www  (https)  [v4R] 1/0.221807s  [v6R] 1/0.171042s	0.324504	161420	3.80	0.218456	161420	5.65	149%	graph
gov.nhtsa.www  (https)	0.294946	94565	2.45	0.063323	94565	11.45	467%	graph
gov.transportation.www  (https)	0.081116	72374	6.82	0.048790	72374	11.50	169%	graph
gov.usa.www  (https)	0.019410	47941	19.25	0.018281	47941	20.32	106%	graph
IPv6 operational: 100% of linked subdomains (1/1), 65% of all linked domains (22/34)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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