HomePrefix Lookup122.146.128.0/17

122.146.128.0/17

🇹🇼
IPv4APNICannouncedAS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. RPKI Valid
CIDR
122.146.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇹🇼 Taiwan
City
Yingge District
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
122.146.128.0/17AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid
RADB
6/13/2026

Covering Prefix

47 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
122.146.0.0/15AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.0.0/16AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.192.0/18AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.128.0/18AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.192.0/19AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.128.0/19AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.160.0/19AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.224.0/19AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.255.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.239.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.240.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.241.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.242.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.243.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.244.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.245.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.246.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.247.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.248.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.249.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.252.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.253.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.254.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.224.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.225.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.226.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.227.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.228.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.231.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.232.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.236.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.237.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.238.0/24AS4780SEEDNET - Digital United Inc. Valid—6/13/2026
122.146.196.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.200.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.203.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.207.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.208.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.212.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.215.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.222.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.194.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.229.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.230.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.168.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.250.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026
122.146.251.0/24AS9919NCIC-TW - New Century InfoComm Tech Co., Ltd. Valid—6/13/2026

RPKI ROAs

3
PrefixOriginMax LengthTrust Anchor
122.146.128.0/17AS9919/24apnic
122.146.0.0/15AS4780/24apnic
122.146.0.0/15AS9919/24apnic

IRR Route Objects

2
OriginRegistryMaintainerModified
AS4780RADBMAINT-AS47806/5/2026
AS9919RADBMAINT-AS47803/11/2026
Origin ASN
AS9919
NCIC-TW - New Century InfoComm Tech Co., Ltd.
Geolocation
Country🇹🇼TaiwanTW
RegionTaipei
CityYingge District
Coordinates24.9493, 121.3370 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/122.146.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/122.146.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP