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Prefix

122.147.128.0/19

CENTURY21CORPORTION

Registry

Prefix
122.147.128.0/19
IP version
IPv4
Prefix length
/19
Origin AS
AS9919 CENTURY21CORPORTION
RIR
APNIC
Country
Flag of Taiwan TW Taiwan
Description
century21-TW
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

Route origin authorisations covering 122.147.128.0/19
Prefix Origin Max length Validity
122.147.128.0/19 AS9919 /24 valid
122.147.0.0/16 AS9919 /24 valid
122.146.0.0/15 AS9919 /24 valid
122.147.128.0/17 AS4780 /24 invalid_asn
122.146.0.0/15 AS4780 /24 invalid_asn
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
122.147.128.0
Country
Flag of Taiwan TW Taiwan
Region
—
City
—
Timezone
Asia/Taipei
Coordinates
24, 121 ± 1000 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.