| Subject | English | Chinese |
| telecom. | carrier class data network | 电信运营级数据网以IP 技术提供传统电信服务的数据网 |
| telecom. | carrier class IP network | 电信运营级 IP 网提供传统电信服务的 IP 网 |
| proj.manag. | class A network | A 类网 |
| IT | class A network | A 类网络 |
| telecom. | class A network | A 级网络能分配多达 16 777 215个因特网地址 |
| IT | class A network address | A 类网址 |
| telecom. | class B network | B 级网络能分配多达 65 535个因特网地址 |
| IT | class B network address | B 类网址 |
| IT | class C network address | C 类网址 |
| IT | class D network address | D 类网址 |
| comp., net. | multi-class network | 多级网络 |
| IT | network class | 网络类型 |
| el. | network class | 电网等级 |
| comp., net. | telecom carrier class IP network | 电信级 IP 网 |