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 2026.03.08 -
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]
1/0.094490s
[v6R]
1/0.094750s
0.349381
463603
10.13
0.334431
463824
10.59
105%
graph
com.googletagmanager.www
(https)
0.030474
1561
0.40
0.029163
1561
0.41
103%
graph
com.govdelivery.service
(https)
[v4R]
1/0.045530s
[v6R]
1/0.054051s
0.076597
7656
0.77
0.089738
7656
0.66
85%
graph
com.instagram.www
(https)
0.427763
594816
10.63
0.460056
594921
9.87
93%
graph
com.linkedin.www
(https)
0.177376
141234
6.09
0.169536
143938
6.50
107%
graph
com.twitter.www
(https)
[v4R]
2/0.104114s
0.220189
239101
8.29
0.003032
0
0
n/a
graph
com.youtube.www
(https)
0.191033
679593
27.15
0.203631
685247
25.75
95%
graph
gov.grants.www
(https)
0.035660
62137
13.54
0.028710
62137
16.93
125%
graph
gov.nsf
(https)
[v4R]
1/0.035204s
[v6R]
1/0.034623s
0.062923
82049
10.10
0.061666
82049
10.26
102%
graph
gov.nsf.ncses
(https)
0.057924
46683
6.25
0.059179
46683
6.04
97%
graph
gov.nsf.oig
(https)
[v4R]
1/0.138700s
[v6R]
1/0.138604s
0.174961
2087
0.09
0.173530
2087
0.09
101%
graph
gov.nsf.par
(https)
0.207759
203070
7.48
0.008531
0
0
n/a
graph
•
gov.nsf.www
(https)
0.028996
82049
22.36
0.026901
82049
24.08
108%
graph
gov.research.www
(https)
[v4R]
4/0.104579s
[v6R]
4/0.100581s
0.153827
22482
1.12
0.155776
22337
1.10
98%
graph
gov.usa.www
(https)
0.021841
47580
17.29
0.019566
47580
19.11
111%
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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