RMAN> run { allocate channel t1 type disk ;
2> restore archivelog low logseq 72421 high logseq 72442 ;}
RMAN-03022: compiling command: allocate
RMAN-03023: executing command: allocate
RMAN-08030: allocated channel: t1
RMAN-08500: channel t1: sid=10 devtype=DISK

RMAN-03022: compiling command: restore

RMAN-03022: compiling command: IRESTORE
RMAN-03023: executing command: IRESTORE
RMAN-08017: channel t1: starting archivelog restore to default destination
RMAN-08022: channel t1: restoring archivelog
RMAN-08510: archivelog thread=1 sequence=72421
RMAN-08022: channel t1: restoring archivelog
RMAN-08510: archivelog thread=1 sequence=72422
RMAN-08022: channel t1: restoring archivelog
RMAN-08510: archivelog thread=1 sequence=72423
RMAN-08022: channel t1: restoring archivelog
RMAN-08510: archivelog thread=1 sequence=72424
RMAN-08022: channel t1: restoring archivelog
RMAN-08510: archivelog thread=1 sequence=72425
RMAN-08022: channel t1: restoring archivelog
RMAN-08510: archivelog thread=1 sequence=72426
RMAN-08022: channel t1: restoring archivelog

Hope Reddy this helps