81.21.176.0/20
🇳🇱CIDR
81.21.176.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇳🇱 The Netherlands
City
Leeuwarden
RIR
RIPENCC
Status
allocated
Allocated
1/17/2006
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.21.184.0/21 | AS39244Teqnobase-AS Sanoma Schoologica B.V. | Valid | — | 6/1/2026 |
| 81.21.180.0/22 | AS39244Teqnobase-AS Sanoma Schoologica B.V. | Valid | — | 6/1/2026 |
| 81.21.176.0/23 | AS39244Teqnobase-AS Sanoma Schoologica B.V. | Valid | — | 6/1/2026 |
| 81.21.178.0/24 | AS39244Teqnobase-AS Sanoma Schoologica B.V. | Valid | — | 6/1/2026 |
| 81.21.179.0/24 | AS39244Teqnobase-AS Sanoma Schoologica B.V. | Valid | — | 6/1/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.21.188.0/23 | 🇳🇱NL | assigned | |
| 81.21.177.0/24 | 🇳🇱NL | assigned | |
| 81.21.179.0/24 | AS39244 | 🇳🇱NL | assigned |
| 81.21.180.0/24 | 🇳🇱NL | assigned | |
| 81.21.181.0/24 | 🇳🇱NL | assigned | |
| 81.21.182.0/24 | 🇳🇱NL | assigned | |
| 81.21.183.0/24 | 🇳🇱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 | |
| 81.21.176.0/24 | 🇳🇱NL | assigned | |
| 81.21.191.0/24 | 🇳🇱NL | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.21.176.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.21.176.0/20" | jq
External Links