North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: for folks tracking DDOS sources or reading the GRC attack log
On Sat, 23 Jun 2001, RJ Atkinson wrote: > > > 24.0/8 is the "cable block". ARIN normally allocates residential > cable modem subnets out of this space. Nearly all the cable operators > have one slice or another from this block. Nearly all North American > cable modems users have address space in this block. Cable modems > themselves are nearly always numbered in 10.0/8. > > For those who have read the GRC web site, note that 216.216.8.x > appears not to be a cable modem slice in any event. ARIN reports > that this slice has been allocated to @Work, which is the commercial > IP lease-line business unit within [email protected] Presence of a > *.home.net DNS entry does not mean the system is on any cable modem > network. There are no 24.0/8 addresses listed in the log at > http://grc.com/dos/attacklog.htm My [email protected] cablemodem is in 65.12.95..0/24. Cablemodems don't -HAVE- to be in net-24. -j -- -Jonathan Disher -Sr. Systems and Network Engineer -Internet Pictures Corporation, San Ramon, CA -[v] (650) 280-4833 | [p] (877) 446-9311 | [e] [email protected]
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