37.46.136.0/21
🇳🇱CIDR
37.46.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Amsterdam
RIR
RIPENCC
Status
allocated
Allocated
1/20/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.46.136.0/21 | AS25151CYSO-AS Cyso Group B.V. | Valid | RIPE | 5/30/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 37.46.136.0/21 | AS25151 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25151 | RIPE | CYSO-MNT | 8/9/2012 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.46.142.0/24 | 🇳🇱NL | assigned | |
| 37.46.136.0/24 | 🇳🇱NL | assigned | |
| 37.46.138.0/24 | 🇳🇱NL | assigned | |
| 37.46.140.0/24 | 🇳🇱NL | assigned | |
| 37.46.141.0/24 | 🇳🇱NL | assigned | |
| 37.46.143.0/24 | 🇳🇱NL | assigned | |
| 37.46.137.192/26 | 🇳🇱NL | assigned | |
| 37.46.137.128/27 | 🇳🇱NL | assigned | |
| 37.46.139.0/27 | 🇳🇱NL | assigned | |
| 37.46.139.32/27 | 🇳🇱NL | assigned | |
| 37.46.137.160/28 | 🇳🇱NL | assigned | |
| 37.46.139.104/29 | 🇳🇱NL | assigned | |
| 37.46.137.179/32 | 🇳🇱NL | assigned |
Origin ASN
AS25151
CYSO-AS Cyso Group B.V.
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.46.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.46.136.0/21" | jq
External Links