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BGP history

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

101.47.72.0/21

Observations availableIPv4

Latest originsAS150436

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, 21:55:00Open Prefix profile →
Route events87 days
Announcement8Route reachability advertised
Withdrawal0Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 11, 07 – Oct 11, 13Announcements 1Withdrawals 0AS150436
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
5
Collectors
1
Latest origins
AS150436
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, 21:55:00AnnouncementAS150436328840 327727 174 138699 150436102.208.105.2rrc00
10/12/2026, 11:25:06AnnouncementAS1504364608 7575 3491 150436203.119.104.1rrc00
10/12/2026, 06:15:11AnnouncementAS1504364608 7575 3491 150436203.119.104.1rrc00
10/11/2026, 12:40:26AnnouncementAS15043614907 3356 6453 150436208.80.153.193rrc00
10/11/2026, 10:10:26AnnouncementAS15043614907 3356 6453 150436208.80.153.193rrc00
10/10/2026, 02:00:34AnnouncementAS15043617639 396986 150436202.69.160.152rrc00
10/9/2026, 11:00:33AnnouncementAS15043620205 6939 6453 15043664.246.96.5rrc00
10/9/2026, 09:00:01AnnouncementAS1504364608 7575 3491 150436203.119.104.1rrc00
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