81.21.184.0/21
🇳🇱CIDR
81.21.184.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Leeuwarden
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.21.184.0/21 | AS39244Teqnobase-AS Sanoma Schoologica B.V. | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.21.184.0/21 | AS39244 | /21 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.21.188.0/23 | 🇳🇱NL | assigned | |
| 81.21.184.0/24 | 🇳🇱NL | assigned | |
| 81.21.185.0/24 | 🇳🇱NL | assigned | |
| 81.21.186.0/24 | 🇳🇱NL | assigned | |
| 81.21.190.0/24 | 🇳🇱NL | assigned | |
| 81.21.191.0/24 | 🇳🇱NL | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.21.184.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.21.184.0/21" | jq
External Links