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BGP history

Review announcements, withdrawals and observed origin changes for a Prefix over time, with the underlying events.

122.40.0.0/13

Observations availableIPv4

Latest originsAS17858

Events come from RIPE RIS route observations stored by CHA.LA; results represent collector visibility, not the complete global routing table.
Last observed10/13/2026, 01:15:31Open Prefix profile →
Route events167 days
Announcement15Route reachability advertised
Withdrawal1Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 11, 09 – Oct 11, 15Announcements 1Withdrawals 0AS17858
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
12
Collectors
1
Latest origins
AS17858
Aggregate points
2

Observed origin-set changes

0 changes
No origin-set changes were observed in the last 7 days.

Announcement and withdrawal detail

TimeEventOrigin ASNAS pathPeerCollector
10/13/2026, 01:15:31AnnouncementAS1785817639 3786 17858202.69.160.152rrc00
10/13/2026, 01:15:19Withdrawal——178.208.11.4rrc00
10/13/2026, 01:15:08AnnouncementAS1785858057 1836 3786 17858193.33.94.251rrc00
10/13/2026, 01:15:06AnnouncementAS178583333 12859 3786 17858193.0.0.56rrc00
10/13/2026, 01:15:06AnnouncementAS1785834549 3786 1785880.77.16.114rrc00
10/13/2026, 01:15:06AnnouncementAS1785849432 48362 3786 17858195.128.231.254rrc00
10/13/2026, 01:15:06AnnouncementAS17858204092 34019 3786 1785889.234.186.6rrc00
10/13/2026, 01:15:06AnnouncementAS1785858057 34549 3786 17858194.50.92.251rrc00
10/13/2026, 01:15:06AnnouncementAS17858206499 34549 3786 1785845.14.68.69rrc00
10/12/2026, 18:35:16AnnouncementAS1785837721 3786 17858165.16.221.66rrc00
10/11/2026, 10:25:12AnnouncementAS17858204092 34019 3786 1785889.234.186.6rrc00
10/10/2026, 10:10:15AnnouncementAS1785817639 3786 17858202.69.160.152rrc00
10/9/2026, 15:05:23AnnouncementAS1785817639 3786 17858202.69.160.152rrc00
10/9/2026, 13:20:24AnnouncementAS1785817639 3786 17858202.69.160.152rrc00
10/8/2026, 22:35:22AnnouncementAS178581403 577 6453 3786 17858198.58.198.252rrc00
10/8/2026, 22:35:10AnnouncementAS178584608 7575 3786 17858203.119.104.1rrc00
CHA.LA BGP historyThis page uses the RIPE RIS event stream and hourly aggregates in local ClickHouse storage; withdrawal-only windows are not misclassified as origin changes.Source: CHA.LA local ClickHouse · Maximum query window: 30 days