HomePrefix Lookup123.205.24.0/21

123.205.24.0/21

🇹🇼
CIDR
123.205.24.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇹🇼 Taiwan
City
Buzi
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
123.205.24.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026

Covering Prefix

4 less-specific announcements

RPKI ROAs

6
PrefixOriginMax LengthTrust Anchor
123.205.0.0/18AS18049/24apnic
123.205.0.0/17AS18049/24apnic
123.205.0.0/16AS4780/24apnic
123.205.0.0/16AS9919/24apnic
123.204.0.0/15AS4780/24apnic
123.204.0.0/15AS9919/24apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4780RADBMAINT-AS47803/11/2026
Geolocation
Country🇹🇼TaiwanTW
RegionTaiwan
CityBuzi
GEThttps://api.ipctl.io/v1/prefix/123.205.24.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/123.205.24.0/21" | jq