Date: Sat, 8 Dec 2001 22:59:54 -0600 From: "Jim Fleming" <jfleming@anet.com> To: "Andrew C. Hornback" <achornback@worldnet.att.net>, "Joe & Fhe Barbish" <barbish@a1poweruser.com>, "FBSD Questions" <questions@FreeBSD.ORG> Subject: Re: internal private IP address standards? Message-ID: <00fc01c1806e$58ffc6c0$a300a8c0@ipv16> References: <000601c18066$c61a0ca0$6600000a@ach.domain>
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----- Original Message ----- From: "Andrew C. Hornback" <achornback@worldnet.att.net> > > Most people that I know of use the address blocks set aside in RFC 1918. > > "3. Private Address Space > > The Internet Assigned Numbers Authority (IANA) has reserved the > following three blocks of the IP address space for private internets: > > 10.0.0.0 - 10.255.255.255 (10/8 prefix) > 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) > 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)" - RFC 1918 > > Full text can be found at: > http://www.faqs.org/rfcs/rfc1918.html > Everyone does not follow RFCs... http://msdn.microsoft.com/downloads/sdks/platform/tpipv6/start.asp "If you have an IPv4 address that is part of the private address space (10.0.0.0/8, 172.16.0.0/12, or 192.168.0.0/16) or the Automatic Private IP Addressing (APIPA) address space of 169.254.0.0/16 used by Windows 98 and Windows 2000, it is not globally routable. Otherwise, it is probably a public IP address and is globally routable. See the Debugging 6to4 configuration in this document for more help in determining whether your ISP connection supports 6to4." ------- This may help... http://www.dot-biz.com/IPv4/Tutorial/ The Netfilter Project: Packet Mangling for Linux 2.4 http://netfilter.samba.org Jim Fleming http://www.IPv8.info IPv16....One Better !! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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