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 2025.06.02 -

gov.research. | National Science Foundation	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
gov.nsf.etap  (https)	0.032393	5168	1.23	0.007570	0	0	n/a	graph
gov.nsf.par  (https)	0.222374	202470	6.96	0.007494	0	0	n/a	graph
gov.nsf.www  (https)	0.026346	82240	24.13	0.026983	82240	24.13	100%	graph
gov.research.apps  (https)	0.057545	12621	1.69	0.049211	12621	1.97	116%	graph
gov.research.demo.web  (https)	0.037937	0	0	0.045069	0	0	n/a	graph
gov.research.identity  (https)  [v4R] 2/0.073130s  [v6R] 2/0.055433s	0.081825	1668	0.16	0.061563	1668	0.21	133%	graph
gov.research.resources  (https)	0.039059	393654	77.01	0.036451	393654	83.43	108%	graph
• gov.research.www  (https)  [v4R] 4/0.094148s  [v6R] 4/0.103076s	0.146079	22266	1.16	0.159661	22266	1.07	92%	graph
org.purl  [v4R] 2/0.625608s	1.634455	5368	0.03	0.064069	0	0	n/a	graph
IPv6 operational: 80% of linked subdomains (4/5), 56% of all linked domains (5/9)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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