PUBLIC MARKS from ERSWeb with tag ip

Starting in 2003, researchers at ISI have been collecting data about the Internet address space. As part of this work we have been probing all addresses in the allocated Internet address space. This web page summarizes this research, the datasets, and related papers.

The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports. The Well Known Ports are those from 0 through 1023. DCCP Well Known ports SHOULD NOT be used without IANA registration. The registration procedure is defined in [RFC4340], Section 19.9. The Registered Ports are those from 1024 through 49151 DCCP Registered ports SHOULD NOT be used without IANA registration. The registration procedure is defined in [RFC4340], Section 19.9. The Dynamic and/or Private Ports are those from 49152 through 65535 A value of 0 in the port numbers registry below indicates that no port has been allocated.