Hello, > http://labs.ripe.net/Members/mkarir/first-impressions-of-pollution-in-two-ripe-ncc-darknets
Quote from the link: > Note that in the 37/8, most traffic comes from TTLs around 100. These are > Linux hosts. > The smaller humps are at ~32 (Windows) and ~250 (Solaris). I don't agree. TTL around 100 is most probably Windows hosts with initial TTL of 128. Everything below 64 can be Linux or FreeBSD. ~250 can be Solaris host but Cisco IOS also set initial TTL to 255. -- wbr, Oleg.