81.91.16.0/21
🇩🇪CIDR
81.91.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇩🇪 Germany
City
Neu-Isenburg
RIR
RIPENCC
Status
allocated
Allocated
8/30/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.91.16.0/21 | AS199163UBL-IS-ASN DATAGROUP Operations GmbH | No ROA | RIPE | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.91.16.0/24 | AS199163UBL-IS-ASN DATAGROUP Operations GmbH | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS199163 | RIPE | UBL-IS-MNT | 9/21/2012 |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.91.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.91.16.0/21" | jq
External Links