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.amtrakoig. | National Railroad Passenger Corporation	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.amtrak.www	0.038424	0	0	0.055150	0	0	n/a	graph
com.amtrak.www  (https)	0.324106	1904	0.04	0.142334	1903	0.10	228%	graph
com.bootstrapcdn.netdna  (https)	0.038489	204	0.04	0.040930	204	0.04	95%	graph
com.x  (https)	0.466965	266111	4.36	0.002375	0	0	n/a	graph
gov.amtrakoig  (https)	0.085028	77104	6.92	0.013735	0	0	n/a	graph
• gov.amtrakoig.www  (https)  [v4R] 1/0.032976s	0.059292	77104	9.97	0.004139	0	0	n/a	graph
gov.dot.railroads  (https)	0.301536	371	0.01	0.067298	371	0.04	449%	graph
gov.ignet.www  (https)	1.230012	55529	0.34	0.846976	55529	0.50	145%	graph
gov.ntsb.www  (https)  [v4R] 1/1.090814s  [v6R] 1/0.049654s	1.117489	67375	0.46	0.073818	67375	7.04	1530%	graph
gov.oversight  (https)  [v4R] 1/0.295419s	1.213924	77060	0.48	0.006554	0	0	n/a	graph
net.cloudfront.d1azc1qln24ryf  (https)  [v4R] 1/0.067826s  [v6R] 1/0.026267s	0.194592	2334	0.09	0.111456	2334	0.16	175%	graph
IPv6 operational: 0% of linked subdomains (0/2), 55% of all linked domains (6/11)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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