187.1.136.0/21
🇧🇷CIDR
187.1.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇧🇷 Brazil
City
Porto Alegre
RIR
LACNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 187.1.136.0/21 | AS28299AS28299 - LWSA S/A | Valid | RADB | 5/31/2026 |
Covering Prefix
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 187.1.128.0/20 | AS28299AS28299 - LWSA S/A | Valid | — | 5/31/2026 |
| 187.1.136.0/22 | AS28299AS28299 - LWSA S/A | Valid | — | 5/31/2026 |
| 187.1.140.0/22 | AS28299AS28299 - LWSA S/A | Valid | — | 5/31/2026 |
| 187.1.142.0/23 | AS28299AS28299 - LWSA S/A | Valid | — | 5/31/2026 |
| 187.1.136.0/23 | AS28299AS28299 - LWSA S/A | Valid | — | 5/31/2026 |
| 187.1.138.0/23 | AS28299AS28299 - LWSA S/A | Valid | — | 5/31/2026 |
| 187.1.140.0/24 | AS27715AS27715 - Locaweb Servicos de Internet S/A | Valid | — | 5/31/2026 |
Origin ASN
AS28299
AS28299 - LWSA S/A
Geolocation
API
Open https://api.ipctl.io/v1/prefix/187.1.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/187.1.136.0/21" | jq
External Links