187.31.16.0/21
Currently announced by AS275675 MEGA INFRA SOLUCOES EM INFRAESTRUTURA LTDA, in the routed prefix 187.31.16.0/21.
- Current ASN
- AS275675
- MEGA INFRA SOLUCOES EM INFRAESTRUTURA LTDA
- Routed prefix
- 187.31.16.0/21
- Most specific route covering this prefix
- ASNs over time
- 2
- 2 announcement records
- RIR allocation
- LACNIC
- Brazil · 187.31.16.0/21
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 187.31.16.0/21
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 187.31.16.0/21 | AS275675 | MEGA INFRA SOLUCOES EM INFRAESTRUTURA LTDA |  Brazil | 2026-11-05 02:20 | 2026-11-08 10:26 | Announcing |
| 187.31.0.0/16 | AS14571 | Oi S.A. - Em Recuperacao Judicial | 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 |
|---|---|---|---|---|---|---|
| 187.31.16.0/24 | AS29987 | Sinfony6 |  United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 187.31.17.0/24 | AS29987 | Sinfony6 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 187.31.18.0/24 | AS29987 | Sinfony6 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 187.31.19.0/24 | AS29987 | Sinfony6 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 187.31.20.0/24 | AS29987 | Sinfony6 | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-11-05 02:20 | 187.31.16.0/21 | New announcement | AS275675 | MEGA INFRA SOLUCOES EM INFRAESTRUTURA LTDA | — | Brazil |