187.73.128.0/21
🇧🇷CIDR
187.73.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇧🇷 Brazil
City
Santana de Parnaíba
RIR
LACNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 187.73.128.0/21 | AS28576AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil | Valid | — | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 187.73.130.0/24 | AS28576AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil | Valid | — | 6/1/2026 |
| 187.73.132.0/24 | AS28576AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 187.73.128.0/21 | AS28576 | /24 | lacnic |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/187.73.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/187.73.128.0/21" | jq
External Links