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BGP history

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

104.163.176.0/21

Observations availableIPv4

Latest originsAS1403

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, 15:55:06Open Prefix profile →
Route events37 days
Announcement3Route reachability advertised
Withdrawal0Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 8, 23 – Oct 9, 05Announcements 1Withdrawals 0AS1403
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
3
Collectors
1
Latest origins
AS1403
Aggregate points
1

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, 15:55:06AnnouncementAS14034608 7575 1299 577 1403203.119.104.1rrc00
10/10/2026, 10:10:24AnnouncementAS140317639 6939 1403202.69.160.152rrc00
10/9/2026, 03:30:31AnnouncementAS140355720 3257 577 140345.116.179.212rrc00
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