With ARP patented packet parsing technology, data collection, device identification, and high-strength access control can be carried out without installing Agent. Capable of conducting 100% asset inventory to achieve IP/MAC management, device access management (network access control), and network blocking. Multiple binding between IP/MAC/DHCP segments/computer names/hardware fingerprints (UUID) can be performed on all connected devices to achieve functions such as IP protection, IP retention, IP recycling, IP conflict prevention, and MAC forgery prevention. Provide alarm mechanisms such as redirect pages, Agent UI, MSG, and various reports to assist management personnel in managing internal IP resources and devices in a timely manner.