Date: Thu, 19 Dec 2002 15:20:45 -0500 From: Chris Pepper <pepper@reppep.com> To: Tom Rhodes <trhodes@FreeBSD.org> Cc: Marc Fonvieille <blackend@FreeBSD.org>, freebsd-doc@FreeBSD.org Subject: Re: FreeBSD Handbook Message-ID: <p05300b12ba27da8cfcef@[129.85.219.160]> In-Reply-To: <20021219151121.20e5803e.trhodes@FreeBSD.org> References: <3E01FA5E.87B6FC46@mitre.org> <20021219195435.GA540@nosferatu.blackend.org> <20021219151121.20e5803e.trhodes@FreeBSD.org>
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At 3:11 PM -0500 2002/12/19, Tom Rhodes wrote: >On Thu, 19 Dec 2002 20:54:35 +0100 >Marc Fonvieille <blackend@FreeBSD.ORG> wrote: > >> According to RFCs (rfc1918 for example), the Handbook is correct: >> >> 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) >> >> We will refer to the first block as "24-bit block", the second as >> "20-bit block", and to the third as "16-bit" block. Note that (in >> pre-CIDR notation) the first block is nothing but a single class A >> network number, while the second block is a set of 16 contiguous >> class B network numbers, and third block is a set of 256 contiguous >> class C network numbers. >> >> The Handbook says "Class C block" not "Class C network", so it's Ok. >> >> Marc >> > >For 10 daemon points, can anyone remember what CIDR is (and stands >for) without looking at any RFC's or books? Classless Internet Domain Routing, IIRC, and I aren't even at net admin! -- Chris Pepper: <http://www.reppep.com/~pepper/>; Rockefeller University: <http://www.rockefeller.edu/>; To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-doc" in the body of the message
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