- ARIN-Issued
- Remove 192.172.224.0-192.172.224.255
- Inventory
- Inventory effect unknown
ARIN-Issued says "Remove", but ARIN's statistics show it not issued on 2009-10-17 and not issued on 2009-10-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.