arin.net will tell you where a given IP address is located
(geographically). It has nothing to do with message ID numbers in
There was one of those ISP numbers (I forget the correct name for
them). I put it in Arin, was told it's invalid !
For the past month or two, many stock P&D spam is being sent as a
single attached image file - no text at all in the message body.
Total message size ranges from 25k to 50k. That's what you probably
Very likely, I keep getting all kinds of "stock" spam lately.
They are sent as .GIF attachments (as opposed to JPG) because text is
better rendered as an image if it's converted to GIF format. Also
results in a smaller file size.
Yep, 256 colors max.