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BGP history

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

2.56.20.0/23

Observations availableIPv4

Latest originsAS10557

Events come from RIPE RIS route observations stored by CHA.LA; results represent collector visibility, not the complete global routing table.
Last observed10/12/2026, 12:55:14Open Prefix profile →
Route events47 days
Announcement4Route reachability advertised
Withdrawal0Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 11, 11 – Oct 11, 17Announcements 1Withdrawals 0AS10557
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
3
Collectors
1
Latest origins
AS10557
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
10/12/2026, 12:55:14AnnouncementAS1055757821 12586 3257 11404 18530 18530 18530 18530 10557193.160.39.1rrc00
10/11/2026, 17:25:00AnnouncementAS1055738001 9002 18530 10557202.150.221.37rrc00
10/9/2026, 13:20:17AnnouncementAS1055717639 9002 18530 10557202.69.160.152rrc00
10/9/2026, 08:25:02AnnouncementAS1055757821 12586 3257 11404 18530 18530 18530 18530 10557193.160.39.1rrc00
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