81.20.128.0/20
🇩🇪CIDR
81.20.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇩🇪 Germany
City
Frankfurt am Main
RIR
RIPENCC
Status
allocated
Allocated
12/12/2008
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.20.128.0/20 | AS33984SURFPLANET-AS Surfplanet GmbH | Valid | RIPE | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.20.128.0/20 | AS33984 | /20 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS33984 | RIPE | SURFPLANET-MNT | 1/6/2009 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.20.132.0/24 | 🇩🇪DE | assigned | |
| 81.20.137.0/24 | 🇩🇪DE | assigned | |
| 81.20.143.0/24 | 🇩🇪DE | assigned | |
| 81.20.138.0/25 | 🇩🇪DE | assigned | |
| 81.20.140.0/25 | 🇩🇪DE | assigned | |
| 81.20.141.0/25 | 🇩🇪DE | assigned | |
| 81.20.138.128/25 | 🇩🇪DE | assigned | |
| 81.20.135.32/27 | 🇩🇪DE | assigned | |
| 81.20.128.224/27 | 🇩🇪DE | assigned | |
| 81.20.135.0/27 | 🇩🇪DE | assigned | |
| 81.20.135.224/27 | 🇩🇪DE | assigned | |
| 81.20.140.224/27 | 🇩🇪DE | assigned | |
| 81.20.128.0/28 | 🇩🇪DE | assigned | |
| 81.20.128.112/28 | 🇩🇪DE | assigned | |
| 81.20.131.248/29 | 🇩🇪DE | assigned | |
| 81.20.128.104/29 | 🇩🇪DE | assigned | |
| 81.20.135.152/29 | 🇩🇪DE | assigned | |
| 81.20.128.100/30 | 🇩🇪DE | assigned | |
| 81.20.128.98/31 | 🇩🇪DE | assigned | |
| 81.20.128.97/32 | 🇩🇪DE | assigned |
Origin ASN
AS33984
SURFPLANET-AS Surfplanet GmbH
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.20.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.20.128.0/20" | jq
External Links