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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--Apple-Mail-3C7A0216-480F-47F2-9869-3822FD473C26 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Try subcalc, it's in ports. --=20 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 =C3=A9crit : >=20 >> hello guys, >>=20 >> 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. >>=20 >> 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? >=20 >> i have 192.0.0.1 192.100.255.254 with mask 8 >=20 > This doesn't mean anything ? >=20 > 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 > ... >=20 > 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. >=20 > 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" --Apple-Mail-3C7A0216-480F-47F2-9869-3822FD473C26 Content-Type: application/pkcs7-signature; name=smime.p7s Content-Disposition: attachment; filename=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIUOTCCBjAw ggUYoAMCAQICAwaijjANBgkqhkiG9w0BAQsFADCBjDELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0 YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcx ODA2BgNVBAMTL1N0YXJ0Q29tIENsYXNzIDEgUHJpbWFyeSBJbnRlcm1lZGlhdGUgQ2xpZW50IENB MB4XDTEzMDUxODA4NTA0OFoXDTE0MDUxOTIyMDk0N1owSDEfMB0GA1UEAwwWamhlbGxlbnRoYWxA ZGF0YWl4Lm5ldDElMCMGCSqGSIb3DQEJARYWamhlbGxlbnRoYWxAZGF0YWl4Lm5ldDCCASIwDQYJ 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