gov.nsf.
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 2025.07.01 -
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]
1/0.100918s
[v6R]
1/0.047534s
0.202917
75465
2.85
0.144804
75615
4.01
141%
graph
com.googletagmanager.www
(https)
0.032512
1561
0.37
0.032437
1561
0.37
100%
graph
com.govdelivery.service
(https)
[v4R]
1/0.176561s
[v6R]
1/0.171424s
0.281249
8657
0.24
0.232935
8657
0.28
121%
graph
com.instagram.www
(https)
0.330883
650700
15.04
0.567313
645720
8.69
58%
graph
com.linkedin.www
(https)
0.155980
138652
6.82
0.219141
138652
4.83
71%
graph
com.nsfpolicyoutreach
(https)
2.214182
133413
0.46
2.221480
133413
0.46
100%
graph
com.twitter.www
(https)
[v4R]
2/0.123085s
0.263671
269391
7.81
0.001222
0
0
n/a
graph
com.youtube.www
(https)
0.240885
605876
19.26
0.174230
606613
26.60
138%
graph
gov.grants.www
(https)
0.026160
82012
24.07
0.052320
82012
12.03
50%
graph
gov.nsf
(https)
[v4R]
1/0.049416s
[v6R]
1/0.034999s
0.091794
81444
6.83
0.074565
81444
8.40
123%
graph
gov.nsf.ncses
(https)
0.193295
44518
1.76
0.118298
44518
2.88
164%
graph
gov.nsf.par
(https)
0.234878
202470
6.60
0.003332
0
0
n/a
graph
•
gov.nsf.www
(https)
0.033625
81444
18.83
0.023991
81444
27.02
143%
graph
gov.research.www
(https)
[v4R]
4/0.137927s
[v6R]
4/0.128879s
0.216663
22355
0.79
0.206677
22363
0.83
105%
graph
gov.usa.www
(https)
0.023104
48012
15.93
0.030349
48012
12.21
77%
graph
IPv6 operational:
75%
of linked subdomains (3/4),
87%
of all linked domains (13/15)
v4[s]
v4[B]
v4[Mbps]
v6[s]
v6[B]
v6[Mbps]
6/4[Mbps]
v4|v6
For comments, questions or suggested domains please contact:
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