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 2025.08.15 -
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]
1/0.111788s
0.294012
78178
2.03
0.118033
78973
5.11
252%
graph
com.googletagmanager.www
(https)
0.033522
1561
0.36
0.032252
1561
0.37
103%
graph
com.govdelivery.service
(https)
[v4R]
1/0.163875s
[v6R]
1/0.168793s
0.227501
7656
0.26
0.227470
7656
0.26
100%
graph
com.instagram.www
(https)
0.292046
459925
12.02
0.500894
460065
7.02
58%
graph
com.linkedin.www
(https)
0.180887
139031
5.89
0.165346
139031
6.43
109%
graph
com.twitter.www
(https)
[v4R]
2/0.149634s
0.269623
276204
7.83
0.001184
0
0
n/a
graph
com.youtube.www
(https)
0.201505
671492
25.49
0.142598
668915
35.94
141%
graph
gov.grants.www
(https)
0.022762
80605
27.95
0.024998
80605
25.62
92%
graph
gov.nsf
(https)
[v4R]
1/0.031910s
[v6R]
1/0.029858s
0.056319
80545
10.97
0.055669
80545
11.17
102%
graph
gov.nsf.ncses
(https)
0.106010
44432
3.20
0.142801
44432
2.39
75%
graph
gov.nsf.par
(https)
0.231952
202843
6.70
0.007607
0
0
n/a
graph
•
gov.nsf.www
(https)
0.022311
80545
27.93
0.022089
80545
27.93
100%
graph
gov.research.www
(https)
[v4R]
4/0.126544s
[v6R]
4/0.094008s
0.179330
21938
0.94
0.151221
21930
1.11
118%
graph
gov.usa.www
(https)
0.022218
48047
16.66
0.019222
48047
19.29
116%
graph
IPv6 operational:
75%
of linked subdomains (3/4),
86%
of all linked domains (12/14)
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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