HomePrefix Lookup123.205.0.0/18

123.205.0.0/18

🇹🇼
IPv4APNICannouncedAS18049TINP-TW - Taiwan Infrastructure Network Technologie RPKI Valid
CIDR
123.205.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇹🇼 Taiwan
City
Taichung
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
123.205.0.0/18AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid
RADB
6/1/2026

Covering Prefix

23 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
123.204.0.0/15AS4780SEEDNET - Digital United Inc. Valid—6/1/2026
123.205.0.0/16AS4780SEEDNET - Digital United Inc. Valid—6/1/2026
123.205.0.0/17AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.32.0/19AS4780SEEDNET - Digital United Inc. Valid—6/1/2026
123.205.32.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.0.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.8.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.16.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.24.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.40.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.48.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.56.0/21AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.56.0/24AS4780SEEDNET - Digital United Inc. Valid—6/1/2026
123.205.15.0/24AS4780SEEDNET - Digital United Inc. Valid—6/1/2026
123.205.0.0/24AS4780SEEDNET - Digital United Inc. Valid—6/1/2026
123.205.19.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/1/2026
123.205.37.0/24AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.32.0/24AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.39.0/24AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.38.0/24AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.34.0/24AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.35.0/24AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026
123.205.36.0/24AS18049TINP-TW - Taiwan Infrastructure Network Technologie Valid—6/1/2026

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

2
OriginRegistryMaintainerModified
AS4780RADBMAINT-AS47803/11/2026
AS18049RADBMAINT-AS463711/13/2023
Origin ASN
AS18049
TINP-TW - Taiwan Infrastructure Network Technologie
Geolocation
Country🇹🇼TaiwanTW
RegionTaiwan
CityTaichung
Coordinates24.1182, 120.6790 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/123.205.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/123.205.0.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP