On Fri, 28 Jan 2000 18:46:13 -0500,
"Michael H. Warfield" <mhw@wittsend.com> wrote:
> Stop thinking in octets. This stuff is binary.
Make it easy on yourselves. ftp://ftp.ocs.com.au/pub/ipcalc.pl.gz.
# ipcalc.pl 192.168.0.0/24
IP address 192 . 168 . 0 . 0 / 24 192.168.0.0/24
Netmask bits 11111111 11111111 11111111 00000000
Netmask bytes 255 . 255 . 255 . 0 255.255.255.0
Address bits 11000000 10101000 00000000 00000000
Network 192 . 168 . 0 . 0 192.168.0.0
Broadcast 192 . 168 . 0 . 255 192.168.0.255
First Host 192 . 168 . 0 . 1 192.168.0.1
Last Host 192 . 168 . 0 . 254 192.168.0.254
Total Hosts 254
PTR 0.0.168.192.in-addr.arpa
IP Address (hex) C0A80000
# ipcalc.pl 192.168.0.0/16
IP address 192 . 168 . 0 . 0 / 16 192.168.0.0/16
Netmask bits 11111111 11111111 00000000 00000000
Netmask bytes 255 . 255 . 0 . 0 255.255.0.0
Address bits 11000000 10101000 00000000 00000000
Network 192 . 168 . 0 . 0 192.168.0.0
Broadcast 192 . 168 . 255 . 255 192.168.255.255
First Host 192 . 168 . 0 . 1 192.168.0.1
Last Host 192 . 168 . 255 . 254 192.168.255.254
Total Hosts 65534
PTR 0.0.168.192.in-addr.arpa
IP Address (hex) C0A80000
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This archive was generated by hypermail 2b29 : Mon Jan 31 2000 - 21:00:22 EST