Oh I meant to comment not just post that.
They are IP ranges. Each post was 8 octets, IPs are 4 octets each. After I posted I read where someone successfully put them in two columns, nice job. See how the first octet and the fifth octet (first in the right column) are the same digits? That clues us in to the IP ranges, too regular if they were some other sort of code or serial number.
I'll leave it up to your collective imagination to specualte as to why they are posting IP ranges, which all map back to (american) internet service IPs. Interesting how out of all the IPs in the world there are no corporate IPs, web servers, foriegn IPs etc.
Thank you for your input AnonymousGuy and welcome to TM!
Welcome and thank you for showing us what they mean.
We can always use your help.
Interesting, thanks for the comments!
This does seem very likely. If so the big questions I can think of are
(1) why are they all in the 67 subnet? Some of the big US ISP's are in other subnets as well - 4, 24, and 71 for example. If they're just trying to list a number of addresses or sites on computers connected to US ISP networks this seems just a bit odd.
(2) Why are they sorted from low to high, and why do they just list a few addresses within each ISP? Also why don't any of the ranges seem to correspond with the addresses you'd expect from a valid network mask?
(3) What is the significance of what appear to be dates listed beside each block of numbers?
Of course those are IP ranges, that makes perfect sense. I can't believe that I didn't see that. Groups of four octects in pairs. Good job on figuring that out, and welcome to TM.
They're clearly ranges of some sort - IP ranges sound likely but I'm not quite convinced.
To followup on my previous message, I think given the allocation of Internet addresses, anything starting with 67.* (43 hexadecimal) is likely to be a US ISP address. So if the ranges happen to start out with a 67 (hex 43) for some other reason, it would be quite possible for the ranges to appear to correspond with IP ranges.
But what else could they be? Times? Longitude/Lattitude? They can't be very heavily encrypted because they're just too regular, but that doesn't mean that there couldn't have been some trivial code applied to them. Unfortunately there isn't enough ciphertext to provide a very solid clue other than the (likely good) guess that they're IP addresses.