Date: Thu, 8 Aug 2013 11:44:37 -0400 From: Jason Hellenthal <jhellenthal@dataix.net> To: Patrick Lamaiziere <patfbsd@davenulle.org> Cc: FreeBSD Net <freebsd-net@freebsd.org>, s m <sam.gh1986@gmail.com> Subject: Re: how calculate the number of ip addresses in a range? Message-ID: <1F113410-18DE-47CF-96C1-5EE4E8BC4980@dataix.net> In-Reply-To: <20130808133055.15e53b94@davenulle.org> References: <CAA_1SgEEeyCOk%2Bi9Zp725RfQ9s0tpELXL0SSBeiN%2B60z%2BxqYUg@mail.gmail.com> <20130808133055.15e53b94@davenulle.org>
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[-- Attachment #1 --] Try subcalc, it's in ports. -- Jason Hellenthal Inbox: jhellenthal@DataIX.net Voice: +1 (616) 953-0176 JJH48-ARIN On Aug 8, 2013, at 7:30, Patrick Lamaiziere <patfbsd@davenulle.org> wrote: > Le Thu, 8 Aug 2013 11:34:22 +0430, > s m <sam.gh1986@gmail.com> a écrit : > >> hello guys, >> >> i have a question about ip addresses. i know my question is not >> related to freebsd but i googled a lot and found nothing useful and >> don't know where i should ask my question. >> >> i want to know how can i calculate the number of ip addresses in a >> range? for example if i have 192.0.0.1 192.100.255.254 with mask 8, >> how many ip addresses are available in this range? is there any >> formula to calculate the number of ip addresses for any range? > >> i have 192.0.0.1 192.100.255.254 with mask 8 > > This doesn't mean anything ? > > There are few tools to deal with ip addresses, you can study the code : > python: IPy https://github.com/haypo/python-ipy > perl : ipcalc: /usr/ports/net-mgmt/ipcalc > ... > > Basically, an ip address is just a number. IPy associates also a > prefix length in an "IP" object. So it can represent a host or > a network which is nice. > > Regards. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" [-- Attachment #2 --] 0 *H 01 0 + 0 *H 90000 *H 01 0 UIL10U StartCom Ltd.1+0)U "Secure Digital Certificate Signing1806U/StartCom Class 1 Primary Intermediate Client CA0 130518085048Z 140519220947Z0H1 0 U jhellenthal@dataix.net1%0# *H jhellenthal@dataix.net0"0 *H 0 '`TmfkܨJ5u +c'Upb`zv)&ȸXZ*VN6JvLoVoh}g pQDŽKf/tZA˳( "4Ԅ˻'d2h| IBl' ^v^;'e8S99ۿVm|k8_UQtC"5l!kjZ]އQGn \Bh!F TsD%pV^Eӑd¨x"9 г" f 00 U 0 0 U 0 U %0++0 U ڔfmVʢ$䟓0 U #0Sr풜\|~5NԸQ0!U 0jhellenthal@dataix.net0LU C0?0; +70*0.+"http://www.startssl.com/policy.pdf0+00' StartCom Certification Authority0This certificate was issued according to the Class 1 Validation requirements of the StartCom CA policy, reliance only for the intended purpose in compliance of the relying party obligations.06U /0-0+)'%http://crl.startssl.com/crtu1-crl.crl0+009+0-http://ocsp.startssl.com/sub/class1/client/ca0B+06http://aia.startssl.com/certs/sub.class1.client.ca.crt0#U 0http://www.startssl.com/0 *H {0Ӹ,52W{Ey8b [ {7 _+P"n["-,@ŽpJ-W$ݍjWA-6z( RdIZ. 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