37.203.56.0/21
🇳🇱CIDR
37.203.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Arnhem
RIR
RIPENCC
Status
allocated
Allocated
3/26/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.203.56.0/21 | AS39637NETLOGICS-AS ADES BV | Valid | RIPE | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 37.203.56.0/21 | AS39637 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS39637 | RIPE | MNT-I4-NETWORKS | 3/27/2012 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.203.59.128/25 | 🇳🇱NL | assigned | |
| 37.203.60.192/26 | 🇳🇱NL | assigned | |
| 37.203.59.0/27 | 🇳🇱NL | assigned | |
| 37.203.58.64/27 | 🇳🇱NL | assigned | |
| 37.203.57.160/27 | 🇳🇱NL | assigned | |
| 37.203.61.32/27 | 🇳🇱NL | assigned | |
| 37.203.62.0/27 | 🇳🇱NL | assigned | |
| 37.203.58.0/27 | 🇳🇱NL | assigned | |
| 37.203.60.0/27 | 🇳🇱NL | assigned | |
| 37.203.58.128/27 | 🇳🇱NL | assigned | |
| 37.203.57.128/27 | 🇳🇱NL | assigned | |
| 37.203.57.32/27 | 🇳🇱NL | assigned | |
| 37.203.56.224/27 | 🇳🇱NL | assigned | |
| 37.203.60.32/27 | 🇳🇱NL | assigned | |
| 37.203.58.160/27 | 🇳🇱NL | assigned | |
| 37.203.62.64/28 | 🇳🇱NL | assigned | |
| 37.203.58.112/28 | 🇳🇱NL | assigned | |
| 37.203.60.128/28 | 🇳🇱NL | assigned | |
| 37.203.56.16/28 | 🇳🇱NL | assigned | |
| 37.203.59.48/28 | 🇳🇱NL | assigned | |
| 37.203.57.0/28 | 🇳🇱NL | assigned | |
| 37.203.57.80/28 | 🇳🇱NL | assigned | |
| 37.203.56.32/28 | 🇳🇱NL | assigned | |
| 37.203.56.128/28 | 🇳🇱NL | assigned | |
| 37.203.56.96/29 | 🇳🇱NL | assigned | |
| 37.203.56.104/29 | 🇳🇱NL | assigned | |
| 37.203.58.200/29 | 🇳🇱NL | assigned | |
| 37.203.58.216/29 | 🇳🇱NL | assigned | |
| 37.203.59.40/29 | 🇳🇱NL | assigned | |
| 37.203.56.144/29 | 🇳🇱NL | assigned | |
| 37.203.58.48/29 | 🇳🇱NL | assigned | |
| 37.203.58.240/29 | 🇳🇱NL | assigned | |
| 37.203.61.8/29 | 🇳🇱NL | assigned | |
| 37.203.56.72/29 | 🇳🇱NL | assigned | |
| 37.203.61.176/29 | 🇳🇱NL | assigned | |
| 37.203.62.80/29 | 🇳🇱NL | assigned | |
| 37.203.58.192/29 | 🇳🇱NL | assigned | |
| 37.203.61.104/29 | 🇳🇱NL | assigned | |
| 37.203.56.48/29 | 🇳🇱NL | assigned | |
| 37.203.56.80/29 | 🇳🇱NL | assigned | |
| 37.203.56.112/29 | 🇳🇱NL | assigned | |
| 37.203.56.152/29 | 🇳🇱NL | assigned | |
| 37.203.57.16/29 | 🇳🇱NL | assigned | |
| 37.203.59.80/29 | 🇳🇱NL | assigned | |
| 37.203.59.88/29 | 🇳🇱NL | assigned | |
| 37.203.60.88/29 | 🇳🇱NL | assigned | |
| 37.203.60.160/29 | 🇳🇱NL | assigned | |
| 37.203.61.64/29 | 🇳🇱NL | assigned | |
| 37.203.61.80/29 | 🇳🇱NL | assigned | |
| 37.203.61.96/29 | 🇳🇱NL | assigned | |
| 37.203.61.208/29 | 🇳🇱NL | assigned | |
| 37.203.61.216/29 | 🇳🇱NL | assigned | |
| 37.203.61.248/29 | 🇳🇱NL | assigned | |
| 37.203.62.200/29 | 🇳🇱NL | assigned | |
| 37.203.62.216/29 | 🇳🇱NL | assigned | |
| 37.203.56.56/29 | 🇳🇱NL | assigned | |
| 37.203.62.192/29 | 🇳🇱NL | assigned | |
| 37.203.63.0/29 | 🇳🇱NL | assigned | |
| 37.203.63.40/29 | 🇳🇱NL | assigned | |
| 37.203.63.104/29 | 🇳🇱NL | assigned | |
| 37.203.56.120/29 | 🇳🇱NL | assigned | |
| 37.203.62.56/29 | 🇳🇱NL | assigned | |
| 37.203.57.112/29 | 🇳🇱NL | assigned | |
| 37.203.61.200/29 | 🇳🇱NL | assigned | |
| 37.203.59.32/29 | 🇳🇱NL | assigned | |
| 37.203.63.48/29 | 🇳🇱NL | assigned | |
| 37.203.61.0/29 | 🇳🇱NL | assigned | |
| 37.203.63.56/29 | 🇳🇱NL | assigned | |
| 37.203.62.136/29 | 🇳🇱NL | assigned | |
| 37.203.62.128/29 | 🇳🇱NL | assigned | |
| 37.203.63.32/29 | 🇳🇱NL | assigned | |
| 37.203.56.8/29 | 🇳🇱NL | assigned | |
| 37.203.56.64/29 | 🇳🇱NL | assigned | |
| 37.203.56.200/29 | 🇳🇱NL | assigned | |
| 37.203.57.64/29 | 🇳🇱NL | assigned | |
| 37.203.60.96/29 | 🇳🇱NL | assigned | |
| 37.203.60.104/29 | 🇳🇱NL | assigned | |
| 37.203.60.168/29 | 🇳🇱NL | assigned | |
| 37.203.60.184/29 | 🇳🇱NL | assigned | |
| 37.203.62.32/29 | 🇳🇱NL | assigned | |
| 37.203.63.88/29 | 🇳🇱NL | assigned | |
| 37.203.58.96/29 | 🇳🇱NL | assigned | |
| 37.203.58.224/29 | 🇳🇱NL | assigned | |
| 37.203.61.152/29 | 🇳🇱NL | assigned | |
| 37.203.61.192/29 | 🇳🇱NL | assigned | |
| 37.203.56.176/29 | 🇳🇱NL | assigned | |
| 37.203.61.144/29 | 🇳🇱NL | assigned | |
| 37.203.61.136/29 | 🇳🇱NL | assigned | |
| 37.203.62.144/29 | 🇳🇱NL | assigned | |
| 37.203.56.192/29 | 🇳🇱NL | assigned | |
| 37.203.57.72/29 | 🇳🇱NL | assigned | |
| 37.203.57.120/29 | 🇳🇱NL | assigned | |
| 37.203.57.240/29 | 🇳🇱NL | assigned | |
| 37.203.57.248/29 | 🇳🇱NL | assigned | |
| 37.203.58.32/29 | 🇳🇱NL | assigned | |
| 37.203.58.104/29 | 🇳🇱NL | assigned | |
| 37.203.60.120/29 | 🇳🇱NL | assigned | |
| 37.203.60.176/29 | 🇳🇱NL | assigned | |
| 37.203.62.184/29 | 🇳🇱NL | assigned | |
| 37.203.62.224/29 | 🇳🇱NL | assigned |
Origin ASN
AS39637
NETLOGICS-AS ADES BV
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.203.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.203.56.0/21" | jq
External Links