189.51.176.0/21
Currently announced by AS28351 Claro NXT Telecomunicacoes Ltda, in the routed prefix 189.51.176.0/21.
- Current ASN
- AS28351
- Claro NXT Telecomunicacoes Ltda
- Routed prefix
- 189.51.176.0/21
- Most specific route covering this prefix
- ASNs over time
- 2
- 4 announcement records
- RIR allocation
- LACNIC
- Brazil · 189.51.176.0/20
Routing data · Nov 2, 2026, 00:27 UTC
ASN historyEvery routed prefix covering 189.51.176.0/21
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 189.51.176.0/21 | AS28351 | Claro NXT Telecomunicacoes Ltda |  Brazil | 2026-10-26 18:19 | 2026-11-02 00:27 | Announcing |
| 189.51.176.0/21 | AS4230 | Claro | Brazil | Before monitoring | 2026-10-26 16:18 | Stopped |
| 189.51.176.0/20 | AS28351 | Claro NXT Telecomunicacoes Ltda | Brazil | 2026-10-26 18:19 | 2026-11-02 00:27 | Announcing |
| 189.51.176.0/20 | AS4230 | Claro | Brazil | Before monitoring | 2026-10-26 16:18 | Stopped |
More specific routes0 total
No more specific routes inside this prefix.
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-10-26 18:19 | 189.51.176.0/21 | Origin change | AS28351 | Claro NXT Telecomunicacoes Ltda | AS4230 | Brazil |
| 2026-10-26 18:19 | 189.51.176.0/20 | Origin change | AS28351 | Claro NXT Telecomunicacoes Ltda | AS4230 | Brazil |