Address allocation

Introduced: January 2022

Full Title

Network arrangements, protocols or services for addressing or naming > Address allocation

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2022.

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H04L 61/5007 Internet protocol [IP] addresses since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5038 for local use, e.g. in LAN or USB networks, or in a controller area network [CAN] since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5046 Resolving address allocation conflicts; Testing of addresses (testing when self-assigning an address H04L61/5092) since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5053 Lease time; Renewal aspects since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5061 Pools of addresses since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5069 for group communication, multicast communication or broadcast communication since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5076 Update or notification mechanisms, e.g. DynDNS since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5084 Providing for device mobility (network addressing or numbering for mobility support in wireless networks H04W8/26; mobile IP H04W80/04) since 2022 IPC+CPC Available in IPC and CPC
H04L 61/5092 by self-assignment, e.g. picking addresses at random and testing if they are already in use since 2022 IPC+CPC Available in IPC and CPC

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

Class H04,2013–2023, worldwide · Source: EPO PATSTAT