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.firstnet. | Department of Commerce	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.335946	422537	9.62	0.829658	422728	3.89	40%	graph
com.firstnet.www  (https)	0.228237	183315	6.13	0.425649	183326	3.29	54%	graph
com.googletagmanager.www  (https)	0.052052	1561	0.23	0.052520	1561	0.23	100%	graph
com.instagram.www  (https)	0.465108	395934	6.50	0.484170	396191	6.25	96%	graph
com.linkedin.www  (https)	0.186497	141608	5.81	0.392658	141608	2.76	47%	graph
com.qualtrics.gov1.firstnetauthority  (https)  [v4R] 1/0.558464s	0.924372	5062	0.04	0.008464	0	0	n/a	graph
com.x  (https)	1.286088	266111	1.58	0.003033	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.058254s  [v6R] 1/0.068535s	0.597499	835616	10.68	0.390649	837408	16.38	153%	graph
com.youtube.www  (https)	0.278269	836400	22.95	0.179570	818077	34.87	152%	graph
gov.commerce.www  (https)	0.058018	5343	0.70	0.092435	5385	0.45	64%	graph
gov.firstnet  (https)	0.098403	185305	14.43	0.010549	0	0	n/a	graph
gov.firstnet.5x5  (https)	0.087566	40711	3.57	0.093863	40711	3.34	94%	graph
• gov.firstnet.www  (https)	0.155045	185305	9.12	0.229240	185305	6.17	68%	graph
gov.usa  (https)  [v4R] 1/0.051247s  [v6R] 1/0.046617s	0.109948	47199	3.30	0.083497	47199	4.34	131%	graph
IPv6 operational: 67% of linked subdomains (2/3), 79% of all linked domains (11/14)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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