| Date | IP Address |
| 2021-03-24 | 205.186.183.187 (ClassC) |
| 2026-03-02 | 72.167.70.199 (ClassC) |
| Date | Domain | IP |
| mail1.patleung.com | 2025-09-10 | 72.167.70.199 |
| mail02.patleung.com | 2026-02-08 | 72.167.70.199 |
| mail2.patleung.com | 2025-04-20 | 72.167.70.199 |
| mail6.patleung.com | 2025-06-29 | 72.167.70.199 |
| mail7.patleung.com | 2025-05-08 | 72.167.70.199 |
| mailgate.patleung.com | 2026-03-02 | 72.167.70.199 |
| auth.patleung.com | 2025-09-11 | 72.167.70.199 |
| m.patleung.com | 2025-07-05 | 72.167.70.199 |
| correo.patleung.com | 2025-07-10 | 72.167.70.199 |
| ftp.patleung.com | 2026-01-19 | 72.167.70.199 |
| authsmtp.patleung.com | 2026-01-31 | 72.167.70.199 |
| mailer.patleung.com | 2025-09-10 | 72.167.70.199 |
| mailhost.patleung.com | 2026-01-23 | 72.167.70.199 |
| mailout.patleung.com | 2026-01-12 | 72.167.70.199 |
| a.mx.patleung.com | 2025-10-22 | 72.167.70.199 |
| mailrelay.patleung.com | 2025-09-24 | 72.167.70.199 |