Re: Whois 172/12

2012-01-14 Thread Patrick W. Gilmore
Read RFC1918. Likely a machine on his local network (i.e. behind the same NAT box) is hitting him. But that is not guaranteed. A packet with a source address of 172.0.x.x could be hitting his machine. Depends on how well you filter. Many networks only look at destination IP address, source

Re: Whois 172/12

2012-01-14 Thread Alex Ryu
As far as I know, 172.0.1.216 is not assigned, yet. whois -h whois.arin.net 172.0.1.216 [whois.arin.net] # # Query terms are ambiguous. The query is assumed to be: # "n 172.0.1.216" # # Use "?" to get help. # No match found for 172.0.1.216. # # ARIN WHOIS data and services are subject to

Whois 172/12

2012-01-14 Thread Ted Fischer
Hi all, Tearing what's left of my hair out. A customer is getting scanned by a host claiming to be "172.0.1.216". I know this is bogus, but I want to go back to the customer with as much authoritative umph as I can (heaven forbid they just take my word). I'm pretty sure I read somew

RE: IP Management Software

2012-01-14 Thread Nathan Eisenberg
Racktables seems pretty decent, and it's open source. Seems to still be alive, too! http://racktables.org/demo.php > -Original Message- > From: Josh Baird [mailto:joshba...@gmail.com] > Sent: Friday, January 13, 2012 2:20 PM > To: Shahab Vahabzadeh > Cc: nanog@nanog.org > Subject: Re: I

Re: VPC=S/MLT?

2012-01-14 Thread Charles Spurgeon
On Fri, Jan 13, 2012 at 03:05:45PM -0600, -Hammer- wrote: > > The first link references "chapter 3". I found chapter 5 as well > but I can't find the full index. Do you have that link by any chance? I don't have a link to a full index. The links I sent are from a set of Nexus design and opera