81.4.88.0/21
🇳🇱CIDR
81.4.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Rotterdam (Kralingen-Crooswijk)
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.4.88.0/21 | AS31586AS-TBNLTN Signet B.V. | Valid | RIPE | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS31586 | RIPE | PROSERVE-MNT | 12/4/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.4.95.0/24 | 🇳🇱NL | assigned | |
| 81.4.88.0/24 | 🇳🇱NL | assigned | |
| 81.4.92.160/27 | 🇳🇱NL | assigned | |
| 81.4.92.128/28 | 🇳🇱NL | assigned |
Origin ASN
AS31586
AS-TBNLTN Signet B.V.
Geolocation
Country🇳🇱The NetherlandsNL
RegionSouth Holland
CityRotterdam (Kralingen-Crooswijk)
Coordinates51.9179, 4.5151 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.4.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.4.88.0/21" | jq
External Links