81.21.236.0/22 - BGP Prefix
IPv4RIPE NCCallocated RPKI Valid
CIDR
81.21.236.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇧🇷 Brazil
City
Sao Paulo
RIR
RIPE NCC
Status
allocated
Allocated
2018-08-17
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.21.236.0/24 | AS39855 MOD-EU Mod Mission Critical LLC | Valid | - | 2026-10-12 |
| 81.21.237.0/24 | AS39855 MOD-EU Mod Mission Critical LLC | Valid | - | 2026-10-12 |
| 81.21.238.0/24 | AS39855 MOD-EU Mod Mission Critical LLC | Valid | - | 2026-10-12 |
| 81.21.239.0/24 | AS39855 MOD-EU Mod Mission Critical LLC | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.21.236.0/22 | AS39855 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS39855 | RIPE | PREFIXBROKER-MNT | 2021-09-17 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.21.236.0/23 | 🇧🇷BR | assigned | |
| 81.21.238.0/23 | 🇧🇷BR | assigned |
Geolocation
Country🇧🇷BrazilBR
CitySao Paulo
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 RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/81.21.236.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.21.236.0/22" | jq
External Links