Interface Type: 100 Base TXAuto Negotiation: Off/Disabled Duplex FullIPv4 WAN IP Address: 32.xxx.xxx.28IPv4 CR IP Address: 32.xxx.xxx.30IPv4 AR IP Address: 32.xxx.xxx.29IPv4 WAN Subnet Mask: 255.255.255.252IPv4 Default Gateway: 32.xxx.xxx.29IPv4 LAN IP Address: 12.xxx.xxx.48IPv4 Subnet Mask: 255.255.255.248IPv4 Usable IP: 5
Turns out this was, in fact, an AT&T issue.