i did a quick dump of gateways on the TTN and if indeed Kerlink starts with AA55 then it looks like the gateway id start withs AA 55 5A 00 followed by 4 (mac) bytes
gateways/AA555A00080605B7/status
gateways/AA555A0008060778/status
gateways/AA555A00080E0021/status
gateways/AA555A00080E014A/status