How do I find IP address of camera?

I'm trying to find the IP address of a Panasonic webcam (BL-C131) that's on my network. While setting it up at one point, I apparently managed to change it's address, and now the camera doesn't appear on the network. I have its MAC address from a label on the camera itself. Can I somehow use that to locate the IP address? I've tried using Network Utility and IP Scanner, and neither show this camera. I've done the search with it connected to my router, as well as directly to the ethernet port on my PB. What am I missing? Thanks for your help.