Important Network Names and Numbers

A list of various important networking names and numbers.

Reviewed by Bil Hays, 11/18/2015

These numbers apply to most machines used by CS affiliates on the wired network in Sitterson and Brooks, but special cases do apply.

Networks

We have four main networks; the campus wireless network, a secure vlan CSSEC, a DMZ vlan, and commodity network. Most machines reside in either the commodity or DMZ vlans.

Commodity Network

152.2.128.0/20

Primary Name Server: 152.2.131.227

Secondary Name Server: 152.2.131.228

Tertiary Name Server: 152.2.21.1

Subnet Mask: 255.255.240.0

Router/Gateway: 152.2.128.1

IP Domain Name: cs.unc.edu

ntp server (time): clock.cs.unc.edu

DMZ

152.19.160.0/22

Primary Name Server: 152.19.160.225

Secondary Name Server: 152.19.160.226

Tertiary Name Server: 152.2.21.1

Subnet Mask: 255.255.248.0

Router/Gateway: 152.19.160.1

IP Domain Name: cs.unc.edu

802.11 DSSS Wireless Networks

More information on these can be found at help.unc.edu

UNC-Guest (open network for visitors, limited network access)

UNC-WPA2 (secured wireless network)

UNC-Secure (preferred wireless network)

UNC-PSK (secured wireless network)

VPN

We have a range on the campus VPN allocated to us for department use. More information on this service is at https://www.cs.unc.edu/xhelp/dept_only/vpn/

The campus wide VPN uses  172.17.0.0/18.