Prefix profile
Review current routes, sources, visibility and BGP change evidence for a prefix.
1.51.120.0/21
Currently validIPv4Origin ASNAS4538
This profile is based on CHA.LA's maintained BGP route state, hourly aggregates and event history; fields without observations are shown as not recorded.- Prefix
- 1.51.120.0/21
- Current status
- Currently valid
- Origin ASN
- AS4538
- First observed
- 10/15/2026, 16:00:00
- Last observed
- 10/15/2026, 16:00:00
Peer1Visible peers
Collector1Collectors
Announcements0Last 7 days, hourly aggregate
Withdrawals0Last 7 days, hourly aggregate
Origin ASN1Observed ASNs
Current routes and paths
| Prefix | Origin ASN | AS path | Path length | Peer | Collector | Status |
|---|---|---|---|---|---|---|
| 1.51.120.0/21 | AS4538 | 44393 35710 10099 9929 4837 4538 4538 | 7 | 49.12.70.222 | rrc00 | Currently valid |
Recent event window
Only peers and collectors that produced events in this hour are counted.
- Last observed
- Not recorded
- Peers in window
- Not recorded
- Collectors in window
- Not recorded
- Average path length
- Not recorded
- Longest path
- Not recorded
Announcement / withdrawal history
| Time | Event | Origin ASN | AS path | Peer | Collector |
|---|
This prefix has no BGP event history.
Hourly changes
| Time | Announcements | Withdrawals | Peer | Collector | Origin ASN | AS path |
|---|
This prefix has no hourly aggregate data.