Add IPv4 route helper.
Add IPv4 route helper.

asmltd/faucet,REANNZ/faucet,anarkiwi/faucet,anarkiwi/faucet,asmltd/faucet,Bairdo/faucet,Bairdo/faucet,trentindav/faucet,byllyfish/faucet,asmltd/faucet,wackerly/faucet,byllyfish/faucet,faucetsdn/faucet,mwutzke/faucet,wackerly/faucet,asmltd/faucet,REANNZ/faucet,shivarammysore/faucet,gwacter/faucet,isomer/faucet,shivarammysore/faucet,trungdtbk/faucet,trentindav/faucet,mwutzke/faucet,gizmoguy/faucet,asmltd/faucet,faucetsdn/faucet,gwacter/faucet,trungdtbk/faucet,isomer/faucet,gizmoguy/faucet