BGP history
Review announcements, withdrawals and observed origin changes for a Prefix over time, with the underlying events.
27.40.1.0/24
Observations availableIPv4Latest originsAS4837
Events come from RIPE RIS route observations stored by CHA.LA; results represent collector visibility, not the complete global routing table.Route events1217 days
Announcement121Route reachability advertised
Withdrawal0Route reachability withdrawn
Origin change0Observed origin-set changes
Announcement and withdrawal timeline
Oct 13, 15 – Oct 13, 21Announcements 2Withdrawals 0AS4837
AnnouncementWithdrawalOrigin changeAll times use UTC
- Visible peers
- 8
- Collectors
- 1
- Latest origins
- AS4837
- Aggregate points
- 44
Observed origin-set changes
No origin-set changes were observed in the last 7 days.
Announcement and withdrawal detail
| Time | Event | Origin ASN | AS path | Peer | Collector |
|---|---|---|---|---|---|
| 10/14/2026, 10:35:10 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/14/2026, 10:05:28 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/14/2026, 03:10:12 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/14/2026, 02:35:23 | Announcement | AS4837 | 55720 23764 4134 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 23:40:15 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 21:45:33 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 20:25:10 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 17:40:13 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 15:55:13 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 15:10:09 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 13:40:02 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 13:00:06 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 12:10:26 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 11:05:23 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 09:50:07 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 06:15:04 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 05:55:07 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 04:40:21 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 03:35:19 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 03:15:21 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 02:05:13 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 00:45:19 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/13/2026, 00:05:23 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 23:35:10 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 23:15:12 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 22:10:41 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 21:20:00 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 20:45:10 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 20:05:14 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 19:25:18 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 19:05:19 | Announcement | AS4837 | 55720 23764 4134 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 17:35:12 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 17:10:07 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 16:45:02 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 13:40:13 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 12:55:24 | Announcement | AS4837 | 57821 12586 3257 4837 | 193.160.39.1 | rrc00 |
| 10/12/2026, 12:30:32 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 10:45:04 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 07:50:29 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 06:45:27 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 06:20:22 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 05:00:29 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 02:35:04 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 01:55:07 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 01:35:09 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 00:40:21 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/12/2026, 00:10:08 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/11/2026, 22:50:16 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/11/2026, 22:00:05 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |
| 10/11/2026, 21:15:01 | Announcement | AS4837 | 55720 6939 4837 | 103.212.68.10 | rrc00 |