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BGP history

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

218.251.0.0/17

Observations availableIPv4

Latest originsAS17511

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, 03:35:27Open Prefix profile →
Route events57 days
Announcement4Route reachability advertised
Withdrawal1Route reachability withdrawn
Origin change0Observed origin-set changes

Announcement and withdrawal timeline

Oct 13, 23 – Oct 14, 05Announcements 1Withdrawals 0AS17511
AnnouncementWithdrawalOrigin changeAll times use UTC
Visible peers
5
Collectors
1
Latest origins
AS17511
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
10/14/2026, 03:35:27AnnouncementAS17511328840 327727 174 17511 17511102.208.105.2rrc00
10/12/2026, 18:35:02AnnouncementAS1751137721 6939 17511165.16.221.66rrc00
10/12/2026, 17:45:41AnnouncementAS1751149673 20485 1751194.247.111.254rrc00
10/10/2026, 23:20:12Withdrawal——195.128.231.254rrc00
10/10/2026, 10:10:18AnnouncementAS1751117639 17511202.69.160.152rrc00
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