リンク番号 でしょう
rinkubangōdeshō
1. Probably…; Likely…
Noun
1. Probably…; Likely…
1. telephone number
1. number on the back of a player's uniform; uniform number
1. number; series of digits
1. registration number
1. account number (bank, etc.)
1. ice skating rink; ice rink
1. it seems; I think
2. right?; don't you agree?