216.183.0.0 - 216.183.31.255 Shaw FiberLink Ltd. (NETBLK-SHAW-BLK-4) 216.183.128.0 - 216.183.159.255 Bruce Municipal Telephone System (NETBLK-BMTS-NET) 216.183.138.0 - 216.183.139.255 South West Bruce Internet Ltd. (NETBLK-SWBI-01) 216.183.152.0 - 216.183.155.255 Prime-Line Communications (NETBLK-PRLN-01)