Host argo.nipl.net (72.249.20.193) appears to be up ... good.
Interesting ports on argo.nipl.net (72.249.20.193):
Not shown: 1587 closed ports, 93 filtered ports
PORT      STATE SERVICE        VERSION
21/tcp    open  ftp            vsftpd 2.0.5
22/tcp    open  ssh            OpenSSH 4.3p2 Debian 9 (protocol 2.0)
25/tcp    open  smtp           Postfix smtpd
26/tcp    open  smtp           Postfix smtpd
53/tcp    open  domain?
80/tcp    open  http?
111/tcp   open  rpcbind?
389/tcp   open  ldap?
443/tcp   open  https?
564/tcp   open  9pfs?
690/tcp   open  mountd          1-3 (rpc #100005)
1337/tcp  open  waste?
1521/tcp  open  oracle-tns     Oracle TNS Listener
1666/tcp  open  netview-aix-6?
2049/tcp  open  nfs             2-4 (rpc #100003)
2628/tcp  open  dict           dictd (access denied)
3333/tcp  open  eggdrop        Eggdrop irc bot console 1.6.18 (botname: InfoEgg)
6001/tcp  open  X11             (access denied)
6003/tcp  open  X11:3?
6005/tcp  open  X11:5?
6006/tcp  open  X11             (access denied)
8080/tcp  open  http           Zope 2.9.7-final (python 2.4.4, linux2; ZServer/1.1 Plone/2.5.3-final)
8081/tcp  open  http           Zope 2.9.7-final (python 2.4.4, linux2; ZServer/1.1 Plone/2.5.3-final)
10000/tcp open  http           Webmin httpd
Device type: general purpose|broadband router|firewall
Running: Linux 2.4.X|2.5.X|2.6.X, D-Link embedded, WatchGuard embedded
Too many fingerprints match this host to give specific OS details
Service Info: Host:  nipl.net; OSs: Unix, Linux