svcDhcpLeaseIAID 1.3.6.1.4.1.6527.3.1.2.4.2.90.1.21

The value of svcDhcpLeaseIAID indicates the Identity Association ID (IAID) the address or prefix defined by svcDhcpLeaseCiAddr/svcDhcpLeaseCiAddrMaskLen has been assigned to. This object is only meaningful for DHCPv6 leases.