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BGP history

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

120.133.240.0/22

Observations availableIPv4

Latest originsAS17428

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, 17:50:10Open Prefix profile →
Route events57 days
Announcement5Route reachability advertised
Withdrawal0Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 14, 13 – Oct 14, 19Announcements 2Withdrawals 0AS17428
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
5
Collectors
1
Latest origins
AS17428
Aggregate points
4

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, 17:50:10AnnouncementAS17428204092 198978 174 4134 4811 1742889.234.186.6rrc00
10/14/2026, 16:30:24AnnouncementAS1742834927 56655 1299 4134 4811 1742845.134.89.1rrc00
10/14/2026, 09:35:11AnnouncementAS174284608 1221 4637 1299 4134 4811 17428203.119.104.1rrc00
10/13/2026, 07:05:18AnnouncementAS1742857821 12586 3257 4134 4811 17428193.160.39.1rrc00
10/9/2026, 03:30:31AnnouncementAS1742855720 17476 58453 9808 24400 1742845.116.179.212rrc00
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