File1
138.63.20.48
63.208.170.231
132.3.0.193
63.208.170.198
63.236.1.136
63.236.1.139
205.161.5.239


The second file looks like this:
File2 
Company1-100.45.0.0-100.45.255.255
Company2-227.133.171.0-227.133.173.0
Company3-63.208.170.5-63.208.170.254
Company4-95.214.36.0-95.214.39.255
Company5-35.117.181.0-35.117.181.127
Company6-55.207.128.0-55.207.143.255 
Company7-138.63.20.12-138.63.20.95