77.72.128.0/21
🇩🇪CIDR
77.72.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇩🇪 Germany
City
Frankfurt am Main (Frankfurt am Main West)
RIR
RIPENCC
Status
allocated
Allocated
9/3/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 77.72.128.0/21 | AS197252COLOBRIDGE-AS Colobridge GmbH | No ROA | RIPE | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS197252 | RIPE | MNT-COLOBRIDGE-NET | 9/27/2010 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 77.72.131.0/24 | 🇩🇪DE | assigned | |
| 77.72.133.0/24 | 🇩🇪DE | assigned | |
| 77.72.129.0/24 | AS197252 | 🇩🇪DE | assigned |
| 77.72.130.0/24 | AS197252 | 🇩🇪DE | assigned |
| 77.72.132.0/25 | 🇩🇪DE | assigned | |
| 77.72.134.0/25 | 🇩🇪DE | assigned | |
| 77.72.132.128/25 | 🇩🇪DE | assigned | |
| 77.72.134.192/26 | 🇩🇪DE | assigned | |
| 77.72.134.128/26 | 🇩🇪DE | assigned | |
| 77.72.128.128/26 | AS197252 | 🇩🇪DE | assigned |
| 77.72.135.224/27 | 🇩🇪DE | assigned | |
| 77.72.128.0/27 | 🇩🇪DE | assigned | |
| 77.72.128.32/30 | AS197252 | 🇩🇪DE | assigned |
Origin ASN
AS197252
COLOBRIDGE-AS Colobridge GmbH
Geolocation
Country🇩🇪GermanyDE
RegionHesse
CityFrankfurt am Main (Frankfurt am Main West)
Coordinates50.0976, 8.5926 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/77.72.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/77.72.128.0/21" | jq
External Links