00000nz  a2200000n  4500
001  KSH1998001395
005  19980429124720
008  980429 n azknn|abn          |a a|a    | 
150  ▼aARP▲
450  ▼wr▼i영어▼aaddress resolution protocol▲
550  ▼wg▼aTCP/IP▲