开源镜像
BUCT(北京化工大学)
- http://ubuntu.buct.edu.cn (IPv4)
- http://ubuntu.buct6.edu.cn (IPv6)
BIT(北京理工大学)
- http://mirror.bit.edu.cn (IPv4 only)
- http://mirror.bit6.edu.cn (IPv6 only)
BJTU(北京交通大学)
- http://mirror.bjtu.edu.cn (IPv4 only)
- http://mirror6.bjtu.edu.cn (IPv6 only)
- http://debian.bjtu.edu.cn (IPv4+IPv6)
Tsinghua(清华大学)
- https://mirrors.tuna.tsinghua.edu.cn (IPv4+IPv6)
- https://mirrors6.tuna.tsinghua.edu.cn (IPv6)
- https://mirrors4.tuna.tsinghua.edu.cn (IPv4)