Strange ip address
david_walcroft at yahoo.com.au
Sun May 9 06:17:58 UTC 2004
Scot L. Harris wrote:
> On Sun, 2004-05-09 at 00:16, david walcroft wrote:
>>Hi, It does not worry me or effect using the net - but just
>>inquiring why - are the IP's from 'ifconfig' and 'netstat -nr'
>>inet addr:188.8.131.52 Bcast:255.255.255.255 Mask:255.255.252.0
>>[david at reddwarf david]$ sudo netstat -nr
>>Kernel IP routing table
>>Destination Gateway Genmask Flags MSS Window irtt
>>192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0
>>184.108.40.206 0.0.0.0 255.255.252.0 U 0 0 0
>>169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0
>>127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
>>0.0.0.0 220.127.116.11 0.0.0.0 UG 0 0 0
>> Thanks david
> ifconfig is showing you the settings on your machines interface. The
> netstat -rn command shows you the routing table on your machine.
> Because you have a 22 bit subnet subnet mask the actual network has a
> usable address range from 18.104.22.168 to 22.214.171.124. (or a
> possible 1022 hosts).
> Your machines address happens to be towards the end of the usable IP
> address range (126.96.36.199).
> You also have a second ethernet card on network 192.168.0.0/24, your
> ifconfig information does not include your machines IP address on that
> The 169.254.0.0 address I believe is for automatic configuration of
> interfaces. I have seen this on windows boxes which fail to get their
> DHCP configurations. I think there is an RFC which describes this.
> Have not read it so can not provide any details on it.
> The 127.0.0.0 is for your local loop back address.
> And the 0.0.0.0 is for your default gateway. In this case your machine
> is configured to send packets to 188.8.131.52 (which appears to be your
> networks default gateway) if the destination IP address does not fall
> within one of the other local networks defined on your system.
Thanks Scot,just what I needed and I always have the 169.254.0.0 address it must
be my ISP,I'll have to read up on subnet masks.
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