I have a suspicion that all 9 will go to Jetstar and 4 older A320s in Jetstar’s current fleet will go to Network. Same same just clever wording.9 to JQ and 4 to Network (QF).
Network only gets the old rust buckets, Jetstar Asia has a newer fleet, these incoming aircraft are much newer compared to anything Network has. Jetstar has 4 more VH-VQ* models left in the fleet, the rest already went to Network. I’d say these will be sent to Network which leaves Jetstar with a fleet 2008 built onwards.