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 2026.01.08 -
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]
1/0.057765s
[v6R]
1/0.059811s
0.184748
88539
3.67
0.171407
88685
3.96
108%
graph
com.googletagmanager.www
(https)
0.037641
1561
0.32
0.042888
1561
0.28
88%
graph
com.govdelivery.service
(https)
[v4R]
1/0.057865s
[v6R]
1/0.059727s
0.224414
7656
0.26
0.100272
7656
0.58
224%
graph
com.instagram.www
(https)
0.287352
800828
21.29
0.348109
366069
8.03
38%
graph
com.linkedin.www
(https)
0.161792
140067
6.64
0.220036
140102
4.86
73%
graph
com.twitter.www
(https)
[v4R]
2/0.105193s
0.240312
230980
7.34
0.008379
0
0
n/a
graph
com.youtube.www
(https)
0.219072
693510
24.16
0.207216
686850
25.32
105%
graph
gov.grants.www
(https)
0.030259
62253
15.83
0.024023
62253
19.79
125%
graph
gov.nsf
(https)
[v4R]
1/0.030187s
[v6R]
1/0.034003s
0.060523
81388
10.35
0.062383
81388
10.02
97%
graph
gov.nsf.ncses
(https)
0.088005
46676
4.05
0.070081
46676
5.09
126%
graph
gov.nsf.oig
(https)
[v4R]
1/0.138884s
[v6R]
1/0.132274s
0.174363
2064
0.09
0.163240
2064
0.10
107%
graph
gov.nsf.par
(https)
0.259702
202737
5.97
0.013778
0
0
n/a
graph
•
gov.nsf.www
(https)
0.021703
81388
29.57
0.029727
81388
21.41
72%
graph
gov.research.www
(https)
[v4R]
4/0.099295s
[v6R]
4/0.107240s
0.154929
22222
1.10
0.159054
22077
1.06
96%
graph
gov.usa.www
(https)
0.022039
47068
16.32
0.019239
47068
18.90
116%
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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