Home/Network intelligence/BGP history

BGP history

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

172.217.0.0/16

Observations availableIPv4

Latest originsAS15169

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, 07:25:46Open Prefix profile →
Route events427 days
Announcement28Route reachability advertised
Withdrawal14Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 14, 03 – Oct 14, 09Announcements 1Withdrawals 0AS15169
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
8
Collectors
1
Latest origins
AS15169
Aggregate points
8

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, 07:25:46AnnouncementAS15169202365 15169194.50.19.4rrc00
10/13/2026, 15:15:33Withdrawal——192.248.121.251rrc00
10/13/2026, 05:55:22AnnouncementAS1516938229 15169192.248.121.251rrc00
10/13/2026, 05:55:17Withdrawal——192.248.121.251rrc00
10/13/2026, 05:35:16AnnouncementAS1516937721 15169165.16.221.66rrc00
10/13/2026, 01:15:29AnnouncementAS1516938229 15169192.248.121.251rrc00
10/13/2026, 01:15:21Withdrawal——192.248.121.251rrc00
10/12/2026, 23:45:18AnnouncementAS15169202365 15169194.50.19.4rrc00
10/12/2026, 20:35:08AnnouncementAS1516938229 15169192.248.121.251rrc00
10/12/2026, 20:35:05Withdrawal——192.248.121.251rrc00
10/12/2026, 19:25:25AnnouncementAS15169202365 15169194.50.19.4rrc00
10/12/2026, 16:20:41AnnouncementAS15169202365 15169194.50.19.4rrc00
10/12/2026, 15:55:00AnnouncementAS151694608 15169203.119.104.1rrc00
10/12/2026, 10:10:27AnnouncementAS15169202365 15169194.50.19.4rrc00
10/12/2026, 09:10:22AnnouncementAS1516938229 15169192.248.121.251rrc00
10/12/2026, 09:10:16Withdrawal——192.248.121.251rrc00
10/12/2026, 08:10:03AnnouncementAS1516938229 15169192.248.121.251rrc00
10/12/2026, 06:20:28AnnouncementAS1516937721 15169165.16.221.66rrc00
10/12/2026, 06:20:05AnnouncementAS1516937721 15169165.16.221.66rrc00
10/11/2026, 19:45:07AnnouncementAS1516938229 15169192.248.121.251rrc00
10/11/2026, 19:45:04Withdrawal——192.248.121.251rrc00
10/11/2026, 12:00:09AnnouncementAS1516938229 15169192.248.121.251rrc00
10/11/2026, 12:00:01Withdrawal——192.248.121.251rrc00
10/11/2026, 01:10:11Withdrawal——192.248.121.251rrc00
10/10/2026, 20:30:37AnnouncementAS1516938229 15169192.248.121.251rrc00
10/10/2026, 20:30:33Withdrawal——192.248.121.251rrc00
10/10/2026, 10:10:17AnnouncementAS1516917639 15169202.69.160.152rrc00
10/10/2026, 01:25:37AnnouncementAS1516938229 15169192.248.121.251rrc00
10/10/2026, 01:25:33Withdrawal——192.248.121.251rrc00
10/9/2026, 22:20:53Withdrawal——192.248.121.251rrc00
10/9/2026, 17:50:05AnnouncementAS15169202365 15169194.50.19.4rrc00
10/9/2026, 16:10:48AnnouncementAS1516938229 15169192.248.121.251rrc00
10/9/2026, 16:10:40Withdrawal——192.248.121.251rrc00
10/9/2026, 15:10:27AnnouncementAS1516938229 15169192.248.121.251rrc00
10/9/2026, 15:10:25Withdrawal——192.248.121.251rrc00
10/9/2026, 15:10:24AnnouncementAS15169202365 15169194.50.19.4rrc00
10/9/2026, 13:20:22AnnouncementAS1516917639 15169202.69.160.152rrc00
10/9/2026, 12:05:55Withdrawal——192.248.121.251rrc00
10/9/2026, 09:00:12AnnouncementAS1516957821 12586 15169193.160.39.1rrc00
10/9/2026, 08:00:02AnnouncementAS15169202365 15169194.50.19.4rrc00
10/8/2026, 22:35:34AnnouncementAS15169328840 327727 15169102.208.105.2rrc00
10/8/2026, 22:35:20AnnouncementAS151691403 15169198.58.198.252rrc00
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