87.238.168.0/21
🇳🇱CIDR
87.238.168.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Groningen (Schilders- en Zeeheldenwijk)
RIR
RIPENCC
Status
allocated
Allocated
1/16/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 87.238.168.0/21 | AS31477DUOCAST-AS Duocast B.V. | Valid | RIPE | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 87.238.171.0/24 | AS31477DUOCAST-AS Duocast B.V. | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 87.238.168.0/21 | AS31477 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS31477 | RIPE | MNT-DUOCAST | 2/13/2010 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 87.238.174.0/24 | 🇳🇱NL | assigned | |
| 87.238.173.128/25 | 🇳🇱NL | assigned | |
| 87.238.170.0/25 | 🇳🇱NL | assigned | |
| 87.238.171.52/30 | 🇳🇱NL | assigned | |
| 87.238.171.51/32 | 🇳🇱NL | assigned |
Origin ASN
AS31477
DUOCAST-AS Duocast B.V.
Geolocation
Country🇳🇱The NetherlandsNL
RegionGroningen
CityGroningen (Schilders- en Zeeheldenwijk)
Coordinates53.2304, 6.5321 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/87.238.168.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/87.238.168.0/21" | jq
External Links