187.1.176.0/20
Currently announced by AS21574 CENTURY TELECOM, in the routed prefix 187.1.176.0/20.
- Current ASN
- AS21574
- CENTURY TELECOM
- Routed prefix
- 187.1.176.0/20
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- LACNIC
- Brazil · 187.1.176.0/20
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 187.1.176.0/20
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 187.1.176.0/20 | AS21574 | CENTURY TELECOM |  Brazil | Before monitoring | 2026-11-08 10:26 | Announcing |
More specific routes5 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 187.1.176.0/21 | AS21574 | CENTURY TELECOM | Brazil | 2026-11-04 02:23 | 2026-11-08 10:26 | Announcing |
| 187.1.176.0/24 | AS21574 | CENTURY TELECOM | Brazil | Before monitoring | 2026-11-08 10:26 | Announcing |
| 187.1.178.0/24 | AS21574 | CENTURY TELECOM | Brazil | Before monitoring | 2026-11-08 10:26 | Announcing |
| 187.1.184.0/21 | AS21574 | CENTURY TELECOM | Brazil | 2026-11-04 02:23 | 2026-11-08 10:26 | Announcing |
| 187.1.191.0/24 | AS21574 | CENTURY TELECOM | Brazil | 2026-11-03 22:22 | 2026-11-08 10:26 | Announcing |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.