Prefix
81.25.16.0/21
CER
Registry
- Prefix
- 81.25.16.0/21
- IP version
- IPv4
- Prefix length
- /21
- Origin AS
- AS57728 CER
- RIR
- RIPE
- Country
-
CZ
Czechia
- Description
- CEZNET
Source:prefix:rdap
retrieved
RPKI
Route origin validation
RPKI valid
checked
Source:ripestat:rpki-validation
A ROA covers this prefix and authorises the observed origin AS.
Matched ROAs
| Prefix | Origin | Max length | Validity |
|---|---|---|---|
| 81.25.16.0/21 | AS57728 | /21 | valid |
Note:
RPKI status describes route origin authorisation only. It is not a statement
about ownership, or about the legitimacy of the operator.
Approximate location
Representative network location
- Address
- 81.25.16.0
- Country
-
CZ
Czechia
- Region
- Mladá Boleslav District
- City
- Brodce
- Timezone
- Europe/Prague
- Coordinates
- 49.8337, 14.6152 ± 50 km
Source:geoip:maxmind-local
retrieved
Note:
This is an approximate representative location for the network block, not the
exact location of any person, device, or every address in the prefix.