| Subject | English | Bulgarian |
| comp., MS | external network number | външен мрежов номер (A 4-byte hexadecimal number used for addressing and routing purposes on NetWare networks. The external network number is associated with physical network adapters and networks) |
| comp., MS | network number | мрежов номер (In the Macintosh environment, the routing address or range of addresses assigned to the physical network that AppleTalk Phase 2 routers use to direct information to the appropriate network) |
| commun. | network routing number | мрежов код за направление |