178.21.184.0/21
🇨🇿CIDR
178.21.184.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇿 Czechia
City
Železný Brod
RIR
RIPENCC
Status
allocated
Allocated
3/23/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 178.21.184.0/21 | AS202895TFnet TFnet s.r.o. | No ROA | RIPE | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 178.21.185.0/24 | AS202895TFnet TFnet s.r.o. | No ROA | — | 6/1/2026 |
| 178.21.186.0/24 | AS202895TFnet TFnet s.r.o. | No ROA | — | 6/1/2026 |
| 178.21.187.0/24 | AS202895TFnet TFnet s.r.o. | No ROA | — | 6/1/2026 |
| 178.21.189.0/24 | AS202895TFnet TFnet s.r.o. | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS202895 | RIPE | TFNET-MNT | 6/27/2016 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 178.21.188.0/22 | 🇨🇿CZ | assigned | |
| 178.21.184.0/22 | 🇨🇿CZ | assigned |
Origin ASN
AS202895
TFnet TFnet s.r.o.
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/178.21.184.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/178.21.184.0/21" | jq
External Links