| Verisign, Inc. |
https://a.root-servers.org/rssac-metrics/raw |
| Information Sciences Institute |
http://b.root-servers.org/rssac/ |
| Cogent Communications |
http://c.root-servers.org/rssac.html |
| University of Maryland |
http://www.droot.maxgigapop.net/rssac002 |
| NASA Office of the Chief Information Officer |
https://e.root-servers.org/rssac/ |
| Internet Systems Consortium, Inc. |
http://rssac-stats.isc.org/rssac002/ |
| Defense Information Systems Agency |
http://www.disa.mil/G-Root/G-Root-Stats |
| U.S. Army DEVCOM Army Research Lab |
https://h.root-servers.org/rssac.html |
| Netnod |
https://www.netnod.se/i-root/statistics |
| Verisign, Inc. |
https://j.root-servers.org/rssac-metrics/raw |
| RIPE NCC |
https://www-static.ripe.net/dynamic/rssac002-metrics/ |
| ICANN |
https://stats.dns.icann.org/rssac/ |
| WIDE Project |
https://rssac.wide.ad.jp/rssac002-metrics/ |