37.128.152.0/21
🇵🇱CIDR
37.128.152.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇵🇱 Poland
City
Bialystok (Piaski)
RIR
RIPENCC
Status
allocated
Allocated
2/17/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.128.152.0/21 | AS8865ASN-BIAMAN-EDU Politechnika Bialostocka | Valid | RIPE | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 37.128.152.0/21 | AS8865 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8865 | RIPE | CKSR1-MNT | 2/25/2015 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.128.155.0/24 | 🇵🇱PL | assigned | |
| 37.128.157.0/24 | 🇵🇱PL | assigned | |
| 37.128.154.0/24 | 🇵🇱PL | assigned | |
| 37.128.152.0/24 | 🇵🇱PL | assigned | |
| 37.128.153.0/24 | 🇵🇱PL | assigned | |
| 37.128.159.0/25 | 🇵🇱PL | assigned | |
| 37.128.156.128/25 | 🇵🇱PL | assigned | |
| 37.128.159.128/25 | 🇵🇱PL | assigned | |
| 37.128.156.0/25 | 🇵🇱PL | assigned | |
| 37.128.158.128/25 | 🇵🇱PL | assigned | |
| 37.128.158.0/25 | 🇵🇱PL | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.128.152.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.128.152.0/21" | jq
External Links