Đọc thêm Subnet_mask

  • RFC 1812 Requirements for IPv4 Routers
  • RFC 917 Utility of subnets of Internet networks
  • RFC 1101 DNS Encodings of Network Names and Other Type
  • Blank, Andrew G. TCP/IP Foundations Technology Fundamentals for IT Success. San Francisco, London: Sybex, Copyright 2004.
  • Lammle, Todd. CCNA Cisco Certified Network Associate Study Guide 5th Edition. San Francisco, London: Sybex, Copyright 2005.
  • Groth, David and Toby Skandier. Network + Study Guide, 4th Edition. San Francisco, London: Wiley Publishing, Inc., Copyright 2005.