$ cat /proc/net/route 
Iface   Destination     Gateway         Flags   RefCnt  Use     Metric  Mask            MTU     Window  IRTT                                                       
eth0    00000000        01A8F50A        0003    0       0       0       00000000        0       0       0                                                                               
eth0    00A8F50A        00000000        0001    0       0       0       00F8FFFF        0       0       0                                                                               
virbr0  007AA8C0        00000000        0001    0       0       0       00FFFFFF        0       0       0                                                                             
$ sudo sh -c 'while read line; do echo line: $line; done < /proc/net/route'
line: Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT
line: eth0 00A8F50A 00000000 0001 0 0 0 00F8FFFF 0 0 0
line: virbr0 007AA8C0 00000000 0001 0 0 0 00FFFFFF 0 0 0