Mapping IP -> ASN

Ooops, missed the source: field :

route: 198.161.92.0/24
descr: ESYS-NET
origin: AS542
comm-list: CANET_INTERNAL
advisory: AS690 1:3561(11) 2:3561(144) 3:3561(27) 4:3561(218)
5:3561(147)
mnt-by: CANET-RC
changed: config@canet.ca 960501
source: CANET

route: 198.161.92.0/24
descr: ESYS-NET
origin: AS2493
mnt-by: MAINT-AS2493
changed: briand@nds.netsvc.istar.ca 960503
source: ANS

route: 198.161.92.0/24
descr: ESYS-NET
origin: AS2493
mnt-by: MAINT-AS2493
changed: briand@nds.netsvc.istar.ca 960503
source: MCI