178.21.136.0/21
🇵🇱CIDR
178.21.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇵🇱 Poland
RIR
RIPENCC
Status
allocated
Allocated
3/17/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 178.21.136.0/21 | AS197480SerczerNET SerczerNET Malgorzata Nienaltowska | Valid | RIPE | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 178.21.136.0/21 | AS197480 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS197480 | RIPE | SERCZERNET | 10/6/2011 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 178.21.136.0/22 | AS197480 | 🇵🇱PL | assigned |
| 178.21.140.0/22 | AS197480 | 🇵🇱PL | assigned |
Geolocation
Country🇵🇱PolandPL
Coordinates51.9194, 19.1451 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/178.21.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/178.21.136.0/21" | jq
External Links