186.251.16.0/21
🇧🇷CIDR
186.251.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇧🇷 Brazil
City
Itapema
RIR
LACNIC
Status
allocated
Allocated
11/8/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 186.251.16.0/21 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | RADB | 6/1/2026 |
Covering Prefix
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 186.251.20.0/22 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | — | 6/1/2026 |
| 186.251.16.0/22 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | — | 6/1/2026 |
| 186.251.20.0/23 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | — | 6/1/2026 |
| 186.251.22.0/23 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | — | 6/1/2026 |
| 186.251.16.0/23 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | — | 6/1/2026 |
| 186.251.18.0/23 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | — | 6/1/2026 |
| 186.251.18.0/24 | AS53222AS53222 - Seanet Telecom Ltda | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS53222 | RADB | MAINT-AS8167 | 3/22/2025 |
Origin ASN
AS53222
AS53222 - Seanet Telecom Ltda
Geolocation
API
Open https://api.ipctl.io/v1/prefix/186.251.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/186.251.16.0/21" | jq
External Links