for folks tracking DDOS sources or reading the GRC attack log
Jonathan Disher
jdisher at ipix.com
Mon Jun 25 01:47:48 UTC 2001
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 Excite at Home. 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 ATT at Home 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] jdisher at eng.ipix.com
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