I tried 'arp -a' on my router 
? (203.7.224.11) at 00:04:27:FD:E1:A1 [ether] on eth1
? (128.8.10.90) at 00:04:27:FD:E1:A1 [ether] on eth1
? (66.39.54.27) at 00:04:27:FD:E1:A1 [ether] on eth1
? (192.168.1.3) at 00:10:5A:72:63:65 [ether] on eth0
? (210.49.1.23) at 00:04:27:FD:E1:A1 [ether] on eth1
? (192.149.252.21) at 00:04:27:FD:E1:A1 [ether] on eth1
? (202.154.92.35) at 00:04:27:FD:E1:A1 [ether] on eth1
? (198.246.0.28) at 00:04:27:FD:E1:A1 [ether] on eth1
? (204.74.112.1) at 00:04:27:FD:E1:A1 [ether] on eth1
? (137.92.140.80) at 00:04:27:FD:E1:A1 [ether] on eth1
? (63.192.96.3) at 00:04:27:FD:E1:A1 [ether] on eth1
? (172.17.1.249) at 00:04:27:FD:E1:A1 [ether] on eth1
? (192.36.148.17) at 00:04:27:FD:E1:A1 [ether] on eth1
? (192.168.1.20) at 00:0D:60:11:60:80 [ether] on eth0
? (192.175.48.6) at 00:04:27:FD:E1:A1 [ether] on eth1
? (202.12.28.131) at 00:04:27:FD:E1:A1 [ether] on eth1
? (64.29.18.163) at 00:04:27:FD:E1:A1 [ether] on eth1
? (172.17.1.80) at 00:04:27:FD:E1:A1 [ether] on eth1
? (202.154.106.97) at 00:04:27:FD:E1:A1 [ether] on eth1
? (128.250.36.2) at 00:04:27:FD:E1:A1 [ether] on eth1
? (128.250.36.3) at 00:04:27:FD:E1:A1 [ether] on eth1
? (128.250.37.2) at 00:04:27:FD:E1:A1 [ether] on eth1
? (202.154.95.173) at 00:04:27:FD:E1:A1 [ether] on eth1
? (203.21.37.18) at 00:04:27:FD:E1:A1 [ether] on eth1
? (129.127.28.4) at 00:04:27:FD:E1:A1 [ether] on eth1
? (211.115.194.21) at 00:04:27:FD:E1:A1 [ether] on eth1

[download]
see the pattern?

The arp won't help you getting IP's from networks after you have traversed a router (please correct me if I'm wrong). It only gives the MAC address of the router that can help get your packets to where they need to go.

In reply to Re: Re: mac to IP address? by coec
in thread mac to IP address? by Anonymous Monk

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