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 2026.02.21 -

gov.epaoig. | Environmental Protection Agency	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.329381	452321	10.49	0.282476	451465	12.21	116%	graph
com.googletagmanager.www  (https)	0.028550	1561	0.43	0.038962	1561	0.31	74%	graph
com.instagram.www  (https)	0.353350	586110	12.67	0.383535	586211	11.68	92%	graph
com.x  (https)	0.220610	237018	8.22	0.004904	0	0	n/a	graph
com.youtube.www  (https)	0.219595	684374	23.84	0.223098	682217	23.34	98%	graph
gov.epa.echo  (https)	0.079720	69342	6.70	0.076459	69342	6.96	104%	graph
gov.epa.espanol  (https)	0.056440	55142	7.51	0.030062	55142	14.02	187%	graph
gov.epa.www  (https)	0.022486	65506	22.72	0.019213	65506	26.30	116%	graph
• gov.epaoig.www  (https)  [v4R] 1/0.080663s  [v6R] 1/0.080880s	0.099362	62965	4.85	0.100289	62965	4.80	99%	graph
gov.regulations.www  (https)	0.021598	919	0.33	0.026480	919	0.27	81%	graph
gov.usa.www  (https)	0.027625	47580	13.44	0.018985	47580	20.17	150%	graph
gov.whitehouse.www  (https)	0.033082	260866	60.31	0.029410	260866	68.63	114%	graph
is.arcg  (https)  [v4R] 2/0.051458s	0.102796	146068	10.93	0.004127	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 85% of all linked domains (11/13)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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