181.217.40.0/21 - Claro NXT Telecomunicacoes Ltda (AS28573)
CIDR
181.217.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇧🇷 Brazil
City
Sorocaba
RIR
LACNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 181.217.40.0/21 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | Other IRR | 2026-10-13 |
More-Specific Announcements
8 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 181.217.40.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
| 181.217.41.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
| 181.217.42.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
| 181.217.43.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
| 181.217.44.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
| 181.217.45.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
| 181.217.46.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
| 181.217.47.0/24 | AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda | Valid | - | 2026-10-13 |
Related Prefixes
More prefixes of AS28573
All prefixes of AS28573 →Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the LACNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/181.217.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/181.217.40.0/21" | jq
External Links