$ ./extract-ip.rb
\texttt{192.168.11.1} & \texttt{00:1b:21:48:23:ce} & Intel Corporate \\
\hline
\texttt{192.168.11.60} & \texttt{3c:97:0e:99:b7:e2} & Wistron InfoComm(Kunshan)Co.,Ltd. \\
\hline
\texttt{192.168.11.68} & \texttt{34:40:b5:db:10:f8} & IBM \\
\hline
\texttt{192.168.11.70} & \texttt{90:2b:34:11:24:92} & GIGA-BYTE TECHNOLOGY CO.,LTD. \\
\hline
\texttt{192.168.11.71} & \texttt{4c:cc:6a:58:c4:19} & Micro-Star INTL CO., LTD. \\
\hline
\texttt{192.168.11.72} & \texttt{4c:cc:6a:58:c4:01} & Micro-Star INTL CO., LTD. \\
\hline
\texttt{192.168.11.73} & \texttt{4c:cc:6a:58:c4:08} & Micro-Star INTL CO., LTD. \\
\hline
\texttt{192.168.11.74} & \texttt{4c:cc:6a:58:c4:05} & Micro-Star INTL CO., LTD. \\
\hline
\texttt{192.168.11.130} & \texttt{3c:97:0e:e5:db:61} & Wistron InfoComm(Kunshan)Co.,Ltd. \\
\hline
\texttt{192.168.11.132} & \texttt{ec:f4:bb:41:00:ee} & Dell Inc. \\
\hline
\texttt{192.168.11.138} & \texttt{ec:f4:bb:41:01:5e} & Dell Inc. \\
\hline
\texttt{192.168.11.144} & \texttt{ec:f4:bb:41:01:2c} & Dell Inc. \\
\hline
\texttt{192.168.11.146} & \texttt{ec:f4:bb:41:00:a1} & Dell Inc. \\
\hline
\texttt{192.168.11.156} & \texttt{ec:f4:bb:41:00:a1} & Dell Inc. \\
\hline
\texttt{192.168.11.160} & \texttt{ec:f4:bb:41:01:fc} & Dell Inc. \\
\hline
\texttt{192.168.11.161} & \texttt{08:00:27:27:06:d4} & PCS Systemtechnik GmbH \\
\hline
\texttt{192.168.11.162} & \texttt{3c:97:0e:99:b4:fe} & Wistron InfoComm(Kunshan)Co.,Ltd. \\
\hline
\texttt{192.168.11.164} & \texttt{54:ee:75:54:a3:1f} & Wistron InfoComm(Kunshan)Co.,Ltd. \\
\hline
\texttt{192.168.11.170} & \texttt{3c:97:0e:e5:db:83} & Wistron InfoComm(Kunshan)Co.,Ltd. \\
\hline
\texttt{192.168.11.185} & \texttt{ec:f4:bb:41:00:b1} & Dell Inc. \\
\hline
\texttt{192.168.11.193} & \texttt{ec:f4:bb:41:01:6c} & Dell Inc. \\
\hline
\texttt{192.168.11.202} & \texttt{ec:f4:bb:41:00:e5} & Dell Inc. \\
\hline
\texttt{192.168.11.217} & \texttt{ec:f4:bb:41:00:e9} & Dell Inc. \\
\hline
\texttt{192.168.11.229} & \texttt{ec:f4:bb:41:00:44} & Dell Inc. \\
\hline
\texttt{192.168.11.241} & \texttt{3c:97:0e:99:b6:ed} & Wistron InfoComm(Kunshan)Co.,Ltd. \\
\hline
\texttt{192.168.11.247} & \texttt{54:ee:75:54:a4:b4} & Wistron InfoComm(Kunshan)Co.,Ltd. \\
\hline
\texttt{192.168.11.252} & \texttt{ec:f4:bb:41:00:82} & Dell Inc. \\
\hline