217.28.80.0/20
🇨🇿CIDR
217.28.80.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇿 Czechia
City
Prague
RIR
RIPENCC
Status
allocated
Allocated
11/5/2010
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
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 217.28.80.0/21 | AS51800FIBERNET-ASN FIBER Network s.r.o. | Valid | — | 5/31/2026 |
| 217.28.88.0/21 | AS57707GREENDATA Greendata s.r.o. | Valid | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 217.28.80.0/21 | AS51800 | 🇨🇿CZ | assigned |
| 217.28.88.0/21 | AS57707 | 🇨🇿CZ | assigned |
Origin ASN
AS51800
FIBERNET-ASN FIBER Network s.r.o.
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/217.28.80.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/217.28.80.0/20" | jq
External Links