On AIX I have
ntpd 4.2.8p15@1.3728-o Fri Oct 13 09:45:03 UTC 2023 (20)
The IBM documentation does not specify how restrict is handled for IPv6 addresses.
https://www.ibm.com/docs/en/aix/7.3.0?topic=ssw_aix_73/filesreference/aixfiles191.htm
E.g. how can IPv6 nets be specified?
| Sysop: | DaiTengu |
|---|---|
| Location: | Appleton, WI |
| Users: | 1,105 |
| Nodes: | 10 (0 / 10) |
| Uptime: | 492371:03:18 |
| Calls: | 14,160 |
| Calls today: | 2 |
| Files: | 186,285 |
| D/L today: |
2,329 files (729M bytes) |
| Messages: | 2,503,516 |