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 2025.09.19 -

gov.listo. | Department of Homeland Security	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.143393s	0.305037	74006	1.85	0.180043	77022	3.26	176%	graph
com.googletagmanager.www  (https)	0.029556	1561	0.41	0.031615	1561	0.38	94%	graph
com.twitter  (https)  [v4R] 1/0.084024s	0.212497	220103	7.92	0.003489	0	0	n/a	graph
com.youtube.www  (https)	0.254806	659269	19.80	0.179678	659920	28.13	142%	graph
gov.dhs  (https)  [v4R] 1/0.039098s  [v6R] 1/0.033035s	0.075752	104476	10.63	0.071131	104498	11.23	106%	graph
gov.dhs.oig.www  (https)	0.054565	60733	8.58	0.029852	60733	15.98	186%	graph
gov.dhs.www  (https)	0.047425	104476	16.96	0.041425	104498	19.45	115%	graph
gov.fema.www  (https)	0.124226	119799	7.37	0.032173	119799	28.56	388%	graph
• gov.listo.www  (https)  [v4R] 1/0.040978s  [v6R] 1/0.079929s	0.103752	50445	3.74	0.114142	50445	3.38	90%	graph
gov.ready.www  (https)	0.047252	52707	8.56	0.040095	52707	10.05	118%	graph
gov.usa  (https)  [v4R] 1/0.025369s  [v6R] 1/0.026778s	0.052955	48043	7.05	0.051054	48043	7.19	102%	graph
IPv6 operational: 100% of linked subdomains (1/1), 91% of all linked domains (10/11)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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