North America
| Server name |
Open ports |
Hosted by |
| Arlington.VA.US.Undernet.Org |
6660-7000, 6060-6070 |
erols.com |
| Atlanta.GA.US.Undernet.Org |
6660-6669 |
mindspring.com |
| austin.tx.us.undernet.org |
6665-6669, 7000, 7777 |
io.com |
| Baltimore.MD.US.Undernet.Org |
6660-6669 |
abs.net |
| Dallas.TX.US.Undernet.Org |
6661-6669 |
airnews.net |
| LasVegas.NV.US.Undernet.Org |
6660-6669 |
lvdi.net |
| Manhattan.KS.US.Undernet.Org |
6666-6669 |
ksu.edu |
| McLean.VA.US.Undernet.Org |
6666-6669, 7000 |
cais.net |
| Montreal.QU.CA.Undernet.Org |
6660-6669 |
polymtl.ca |
| NewBrunswick.NJ.US.Undernet.Org |
6660-6669, 7000, 7070 |
att.net |
| NewYork.NY.US.Undernet.Org |
6660-6669, 7000 |
nac.net |
| SaltLake.UT.US.Undernet.Org |
6660-6669 |
aros.net |
| SanDiego.CA.US.Undernet.Org |
6660-6670 |
connectnet.com |
| Toronto.ON.CA.Undernet.Org |
6660-6669 |
total.net |
| Washington.DC.US.Undernet.org |
6660-6669 |
aol.com |
| WebChat.MD.US.Undernet.Org |
8000 (via the web) |
abs.net |
Europe
| Server name |
Open ports |
Hosted by |
| Amsterdam.NL.EU.UnderNet.org |
6660-6669, 7000 |
euronet.nl |
| Brussels.Be.Eu.Undernet.org |
6660-6669, 7000, 80 (web) |
planetinternet.be |
| Caen.FR.EU.Undernet.Org |
6660-6669, 7000 |
ensicaen.ismra.fr |
| Diemen.NL.EU.Undernet.Org |
6660-6669, 7000 |
wxs.nl |
| Flanders.Be.Eu.Undernet.org |
6660-6669, 7000 |
planetinternet.be |
| Haarlem.NL.EU.UnderNet.Org |
6660-6669, 7000, 7777, 8080 |
vuurwerk.nl |
| Gothenburg.SE.EU.Undernet.Org |
6660-6669, 7000, 7777 |
chalmers.se |
| Graz.AT.EU.Undernet.Org |
6665-6669, 7000, 7777 |
tu-graz.ac.at |
| London.UK.EU.Undernet.Org |
6666,6667, 7000, 8000, 9000 |
nildram.co.uk |
| Oslo-R.NO.EU.Undernet.Org |
6660-6669, 7000 |
sol.no |
| Oslo1.NO.EU.Undernet.Org |
80 (via the web) |
sol.no |