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BGP history

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

122.144.236.0/23

Observations availableIPv4

Latest originsAS17775

Events come from RIPE RIS route observations stored by CHA.LA; results represent collector visibility, not the complete global routing table.
Last observed10/14/2026, 17:50:17Open Prefix profile →
Route events87 days
Announcement7Route reachability advertised
Withdrawal1Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 14, 12 – Oct 14, 18Announcements 3Withdrawals 0AS17775
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
7
Collectors
1
Latest origins
AS17775
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
10/14/2026, 17:50:17AnnouncementAS1777558057 34549 174 4134 4812 17775194.50.92.251rrc00
10/14/2026, 17:50:17AnnouncementAS17775206499 34549 174 4134 4812 1777545.14.68.69rrc00
10/14/2026, 17:50:17AnnouncementAS1777534549 174 4134 4812 1777580.77.16.114rrc00
10/13/2026, 07:05:22AnnouncementAS1777557821 12586 3257 58453 58453 58453 9808 24400 17775193.160.39.1rrc00
10/12/2026, 06:05:38AnnouncementAS177754608 7575 1299 4134 4812 17775203.119.104.1rrc00
10/10/2026, 23:20:07Withdrawal——195.128.231.254rrc00
10/10/2026, 10:50:02AnnouncementAS1777517639 6939 4134 4812 17775202.69.160.152rrc00
10/9/2026, 09:00:01AnnouncementAS177754608 7575 1299 4134 4812 17775203.119.104.1rrc00
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