gov.nsf.

Referenced Domain IPv4/IPv6 Web Statistics


Background and Methodology IPv6 & DNSSEC SnapShots
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University IPv6 & DNSSEC Statistics University IPv4 Statistics
CFO Act Agency Summary Statistics USG IPv6 Enabled WWW Sites








- Referenced Domain Web Statistics for 2026.09.20 -

gov.nsf. | National Science Foundation v4[s] v4[B] v4[Mbps] v6[s] v6[B] v6[Mbps] 6/4[Mbps] v4|v6
com.facebook.www  (https)  [v4R] 1/0.042917s  [v6R] 1/0.035942s
0.29412545039211.690.25581145048213.48115%graph
com.googletagmanager.www  (https)
0.04221815610.280.05043415610.2484%graph
com.govdelivery.service  (https)  [v4R] 1/0.170109s  [v6R] 1/0.147493s
0.22404676810.260.21060976810.28107%graph
com.instagram.www  (https)
0.24866341179512.670.26885441169811.7293%graph
com.linkedin.www  (https)
0.1671261404656.420.2114271404655.0879%graph
com.x  (https)
0.211207327861.190.00231700n/agraph
com.youtube.www  (https)
0.18130588463737.290.19083088447135.5295%graph
gov.grants.www  (https)
0.0410776220711.580.0289166220716.95146%graph
gov.nsf  (https)  [v4R] 1/0.044535s  [v6R] 1/0.038994s
0.097214806896.350.065065806899.47149%graph
gov.nsf.ncses  (https)
0.069652550586.090.067872550586.27103%graph
gov.nsf.oig  (https)  [v4R] 1/0.121622s  [v6R] 1/0.148695s
0.16715422290.100.18647122290.0990%graph
gov.nsf.par  (https)
0.000000.01060500n/agraph
• gov.nsf.www  (https)
0.0240718068925.650.0238718068926.77104%graph
gov.research.www  (https)  [v4R] 1/0.053006s  [v6R] 1/0.052386s
0.078322223252.180.077113223252.21101%graph
gov.usa.www  (https)
0.0282684821513.140.0240094821515.33117%graph
IPv6 operational: 80% of linked subdomains (4/5), 87% of all linked domains (13/15)v4[s]v4[B]v4[Mbps]v6[s]v6[B]v6[Mbps]6/4[Mbps]v4|v6

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