use -rev-lookup optimization flag with nxtnet
use -rev-lookup optimization flag with nxtnet

arifogel/batfish,intentionet/batfish,intentionet/batfish,dhalperi/batfish,batfish/batfish,batfish/batfish,intentionet/batfish,intentionet/batfish,dhalperi/batfish,arifogel/batfish,arifogel/batfish,batfish/batfish,intentionet/batfish,dhalperi/batfish