57.133.48.0/20
🇳🇱IPv4RIPEassigned RPKI Valid
CIDR
57.133.48.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇳🇱 The Netherlands
City
Amsterdam
RIR
RIPE
Status
assigned
Allocated
-
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
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 57.133.0.0/16 | AS8220COLT COLT Technology Services Group Limited | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 57.133.0.0/16 | AS8220 | /16 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 57.133.53.0/27 | 🇳🇱NL | assigned | |
| 57.133.49.0/27 | 🇳🇱NL | assigned | |
| 57.133.51.64/27 | 🇳🇱NL | assigned | |
| 57.133.54.0/27 | 🇳🇱NL | assigned | |
| 57.133.53.128/27 | 🇳🇱NL | assigned | |
| 57.133.53.96/27 | 🇳🇱NL | assigned | |
| 57.133.53.64/27 | 🇳🇱NL | assigned | |
| 57.133.51.160/27 | 🇳🇱NL | assigned | |
| 57.133.51.96/27 | 🇳🇱NL | assigned | |
| 57.133.49.64/27 | 🇳🇱NL | assigned | |
| 57.133.51.128/27 | 🇳🇱NL | assigned | |
| 57.133.49.160/27 | 🇳🇱NL | assigned | |
| 57.133.53.224/28 | 🇳🇱NL | assigned | |
| 57.133.55.80/28 | 🇳🇱NL | assigned | |
| 57.133.49.224/28 | 🇳🇱NL | assigned | |
| 57.133.54.32/28 | 🇳🇱NL | assigned | |
| 57.133.55.0/28 | 🇳🇱NL | assigned | |
| 57.133.51.0/28 | 🇳🇱NL | assigned | |
| 57.133.53.208/28 | 🇳🇱NL | assigned | |
| 57.133.53.176/28 | 🇳🇱NL | assigned | |
| 57.133.49.104/29 | 🇳🇱NL | assigned | |
| 57.133.55.112/29 | 🇳🇱NL | assigned | |
| 57.133.49.48/29 | 🇳🇱NL | assigned | |
| 57.133.49.112/29 | 🇳🇱NL | assigned | |
| 57.133.49.136/29 | 🇳🇱NL | assigned | |
| 57.133.49.144/29 | 🇳🇱NL | assigned | |
| 57.133.49.192/29 | 🇳🇱NL | assigned | |
| 57.133.54.128/29 | 🇳🇱NL | assigned | |
| 57.133.49.240/29 | 🇳🇱NL | assigned | |
| 57.133.55.48/29 | 🇳🇱NL | assigned | |
| 57.133.54.224/29 | 🇳🇱NL | assigned | |
| 57.133.54.80/29 | 🇳🇱NL | assigned | |
| 57.133.55.0/29 | 🇳🇱NL | assigned | |
| 57.133.55.16/29 | 🇳🇱NL | assigned | |
| 57.133.49.40/29 | 🇳🇱NL | assigned | |
| 57.133.49.96/29 | 🇳🇱NL | assigned | |
| 57.133.54.120/29 | 🇳🇱NL | assigned | |
| 57.133.49.200/29 | 🇳🇱NL | assigned | |
| 57.133.49.248/29 | 🇩🇪DE | assigned | |
| 57.133.55.152/29 | 🇳🇱NL | assigned | |
| 57.133.51.16/29 | 🇳🇱NL | assigned | |
| 57.133.54.104/29 | 🇳🇱NL | assigned | |
| 57.133.55.8/29 | 🇳🇱NL | assigned | |
| 57.133.54.176/29 | 🇳🇱NL | assigned | |
| 57.133.54.136/29 | 🇳🇱NL | assigned | |
| 57.133.55.160/29 | 🇳🇱NL | assigned | |
| 57.133.53.240/29 | 🇳🇱NL | assigned | |
| 57.133.53.248/29 | 🇳🇱NL | assigned | |
| 57.133.54.88/29 | 🇳🇱NL | assigned | |
| 57.133.54.48/29 | 🇳🇱NL | assigned | |
| 57.133.54.64/29 | 🇳🇱NL | assigned | |
| 57.133.54.96/29 | 🇳🇱NL | assigned | |
| 57.133.54.232/29 | 🇳🇱NL | assigned | |
| 57.133.55.56/29 | 🇳🇱NL | assigned | |
| 57.133.55.72/29 | 🇳🇱NL | assigned | |
| 57.133.55.96/29 | 🇳🇱NL | assigned | |
| 57.133.55.120/29 | 🇳🇱NL | assigned | |
| 57.133.55.144/29 | 🇳🇱NL | assigned | |
| 57.133.55.192/29 | 🇳🇱NL | assigned | |
| 57.133.49.128/29 | 🇳🇱NL | assigned | |
| 57.133.51.32/29 | 🇳🇱NL | assigned | |
| 57.133.51.40/29 | 🇳🇱NL | assigned | |
| 57.133.49.120/29 | 🇳🇱NL | assigned | |
| 57.133.49.56/29 | 🇳🇱NL | assigned | |
| 57.133.54.56/29 | 🇳🇱NL | assigned | |
| 57.133.54.112/29 | 🇳🇱NL | assigned | |
| 57.133.55.136/29 | 🇳🇱NL | assigned | |
| 57.133.49.208/29 | 🇳🇱NL | assigned | |
| 57.133.55.64/29 | 🇳🇱NL | assigned | |
| 57.133.55.104/29 | 🇳🇱NL | assigned | |
| 57.133.54.240/29 | 🇳🇱NL | assigned | |
| 57.133.54.144/29 | 🇳🇱NL | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/57.133.48.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/57.133.48.0/20" | jq
External Links