Indeed... All detailed in RFC1918
http://www.faqs.org/rfcs/rfc1918.html
Cheers
Phil
---------------------------------------------
Phil Randal
Network Engineer
Herefordshire Council
Hereford, UK
> -----Original Message-----
> From: Neil Hobson [mailto:[EMAIL PROTECTED]]
> Sent: 10 September 2001 14:27
> To: MS-Exchange Admin Issues
> Subject: RE: Change Of IPs
>
>
> You're getting the 172.16.x.x to 172.31.x.x range and the
> 10.x.x.x range
> mixed up. William was correct.
>
> Neil
>
> -----Original Message-----
> From: Andrew Goddard [mailto:[EMAIL PROTECTED]]
> Posted At: 10 September 2001 14:27
> Posted To: Sunbelt Exchange List
> Conversation: Change Of IPs
> Subject: RE: Change Of IPs
>
>
> I think only the following 16 class B networks are private:
>
> 10.16.0.0/16 to 10.31.0.0/16
>
> The rest are public.
>
> Cheers,
> Andrew.
>
> -----Original Message-----
> From: Lefkovics, William [mailto:[EMAIL PROTECTED]]
> Sent: 07 September 2001 20:40
> To: MS-Exchange Admin Issues
> Subject: RE: Change Of IPs
>
>
> and 10.x.x.....
>
>
> -----Original Message-----
> From: missy koslosky [mailto:[EMAIL PROTECTED]]
> Sent: Friday, September 07, 2001 12:33 PM
> To: MS-Exchange Admin Issues
> Subject: Re: Change Of IPs
>
>
> 172.16.x.x is also private addressing.
>
> M
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> To: "MS-Exchange Admin Issues"
> <[EMAIL PROTECTED]>
> Sent: Friday, September 07, 2001 11:31 AM
> Subject: RE: Change Of IPs
>
>
> Be careful. We own a C Block and were told that it's in the
> works, from
> who ever manages all the IP's in the world, to pull IP's away from
> companies. Seems there getting ready for the day of us running out of
> IP's and companies are using C block after C block on what
> could be used
> with
> Internal IP's (192.168.x.x). Just a heads up.
>
> -----Original Message-----
> From: Roger Ali [mailto:[EMAIL PROTECTED]]
> Sent: Friday, September 07, 2001 9:41 AM
> To: MS-Exchange Admin Issues
> Subject: Change Of IPs
>
>
> Hey Guys,
> We are planning to migrate our networks from a 192.168.x.x Class C
> address range to a 172.16.x.x at our corporate headquarters. I have 2
> questions if you can help
>
> 1. We have a proxy, email, outlook web access, vpn, print server, tape
> backup (ArcServ), and our PDC Servers. Will any services get
> corrupted
> or refuse to start if we change the IP Configuration of these servers.
> If so how can we fix the problems that can occur?
>
> 2. We have some off site facilities that may access our servers at the
> 192.168.x.x network through LMHOST files. My question is can
> we create
> MIPs at our routers solve this problem.
>
> Please help ASAP as we need to verify this.
>
> Thanks
> Roger Ali
>
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