Cellular Network Infrastructure » Core Network (CN) » OsmoHNBGW

As seen in a pcap today:

Radio Access Network Application Part
    RANAP-PDU: initiatingMessage (0)
        initiatingMessage
            procedureCode: id-LocationReportingControl (17)
            criticality: ignore (1)
            value
                LocationReportingControl
                    protocolIEs: 1 item
                        Item 0: id-RequestType
                            ProtocolIE-Field
                                id: id-RequestType (57)
                                criticality: ignore (1)
                                value
                                    RequestType
                                        event: change-of-servicearea (2)
                                        reportArea: service-area (0)

SCCP-SCOC(1061)[0x559f9da723b0]{ACTIVE}: Received Event RCOC-DT1.ind 
Delivering N-DATA.indication to SCCP User 'OsmoHNBGW' 
sccp_sap_up(N-DATA.indication) 
Rx CO IM (Location Reporting Control) 
Received suspicious RANAP Procedure Location Reporting Control (CO, IM) from CN, ignoring 

Related: 3GPP TS 25.413 section 8.19