AR

Australia mobile network APN’s

Optus (900/2100Mhz)
EDGE/GPRS APN: internet
3G APN: connect
3G prepay APN: preconnect
Username: (blank), Guest
Password: (blank), Guest
DNS: 202.139.83.3, 192.65.91.129
MCC: 505
MNC: 02

Virgin Mobile (900/2100Mhz Optus network)
APN: VirginInternet
Username: Guest
Password: Guest
DNS: 61.88.88.88
MCC: 505
MNC: 02
APN (BYO broadband): VirginBroadband
Username: (blank)
Password: (blank)
MCC: 505
MNC: 02

Vodafone Australia (850/900/2100Mhz)
APN: vfinternet.au
Username: (blank), Guest
Password: (blank), Guest
DNS: 192.189.54.33, 210.80.58.3
MCC: 505
MNC: 03

Telstra (850/2100Mhz)
3G/EDGE/GPRS
APN: telstra.iph
Username: (blank)
Password: (blank)
MCC: 505
MNC: 01
GPRS APN: – telstra.internet
Username: – (blank), guest
Password: – (blank), guest
DNS: 139.130.4.4, 203.50.2.71
3G data bundle: – telstra.datapack
Username: – (blank)
Password: – telstra
DNS: 139.130.4.4, 203.50.2.71
3G pay by time: – telstra.pcpack
Username: – (blank)
Password: – telstra
DNS: 139.130.4.4, 203.50.2.71
3G prepay: – telstra.wap
Username: – (blank)
Password: – telstra
DNS: 139.130.4.4, 203.50.2.71

Three (850/2100 Mhz)
APN: 3netaccess
Will give you public IP which means you have direct access to Internet, someone can connect to you and you can do port forwarding. Which also means you cannot access Planet3 with your browser.
Username: (blank), guest, a
Password: (blank), guest, a
DNS: 202.124.68.130, 202.124.76.66
MCC: 505
MNC: 06
APN: 3services
Will give you a private IP (using NAT), so you will not be able to forward ports or get direct access to Internet (which means someone cannot connect to you if you need to run P2P or a server), but you will be able to access Planet3 with your browser.
Username: (blank), guest, a
Password: (blank), guest, a
DNS: 202.124.68.130, 202.124.76.66
APN: 3service
No access to internet, internal 3 network only, ie: Planet3, 3 Web mail, etc.
Username: (blank), guest, a
Password: (blank), guest, a
DNS: 202.124.68.130, 202.124.76.66