Are 0.x.x.x public?

On Sun, 05 Dec 2010 21:15:24 +0100 Arun Vidarjee <(E-Mail Removed)> wrote:

> Not really Linux-specific, still my question is whether IP
> addresses in the range 0.x.x.x do exist and if yes, whether
> they are public?

No, they're reserved by IANA for "self-identification", see

http://tools.ietf.org/html/rfc5735

Not really Linux-specific, still my question is whether IP
addresses in the range 0.x.x.x do exist and if yes, whether
they are public?

Arun

On December 5, 2010 15:15, in comp.os.linux.networking, (E-Mail Removed)
wrote:

> Not really Linux-specific, still my question is whether IP
> addresses in the range 0.x.x.x do exist

Yes, sort of. They are special addresses (see below)

> and if yes, whether they are public?

No.

--------from whois 0.0.0.1

NetRange: 0.0.0.0 - 0.255.255.255
CIDR: 0.0.0.0/8
OriginAS:
NetName: SPECIAL-IPV4-LOCAL-ID-IANA-RESERVED
NetHandle: NET-0-0-0-0-1
Parent:
NetType: IANA Special Use
Comment: This block is assigned for use as local
Comment: identification addresses. 0.0.0.0 refers to
Comment: "this" host on "this" network. 0.0.0.0
Comment: MUST NOT be sent, except as a source address
Comment: as part of an initialization procedure
Comment: by which the host learns its own IP address.
Comment: This block was assigned by the IETF in the
Comment: Standard document, RFC 1122, and is
Comment: further documented in the Best Current
Comment: Practice document RFC 5735. These documents
Comment: can be found at:
Comment: http://www.rfc-editor.org/rfc/rfc1122.txt
Comment: http://www.rfc-editor.org/rfc/rfc5735.txt
RegDate:
Updated: 2010-04-14
Ref: http://whois.arin.net/rest/net/NET-0-0-0-0-1


--
Lew Pitcher
Master Codewright & JOAT-in-training | Registered Linux User #112576
Me: http://pitcher.digitalfreehold.ca/ | Just Linux: http://justlinux.ca/
---------- Slackware - Because I know what I'm doing. ------

Thanks pk and Lew for your clarifications. Problem solved.

Arun