HomePrefix Lookup121.58.156.0/23

121.58.156.0/23

🇨🇳
IPv4APNICannouncedMOAS RPKI Valid
CIDR
121.58.156.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇳 China
City
Chaowai (Chaoyang)
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
121.58.156.0/23AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—6/13/2026
121.58.156.0/23AS4847CNIX-AP - China Networks Inter-Exchange Valid
RADB
6/13/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
121.58.156.0/22AS4847CNIX-AP - China Networks Inter-Exchange Valid—6/13/2026

RPKI ROAs

3
PrefixOriginMax LengthTrust Anchor
121.58.156.0/23AS4808/23apnic
121.58.156.0/23AS4847/23apnic
121.58.156.0/22AS4847/22apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4847RADBMAINT-AS484711/13/2023
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityChaowai (Chaoyang)
GEThttps://api.ipctl.io/v1/prefix/121.58.156.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/121.58.156.0/23" | jq