HomePrefix Lookup103.140.136.0/23

103.140.136.0/23

🇨🇳
IPv4APNICallocatedMOAS RPKI Valid
CIDR
103.140.136.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇳 China
RIR
APNIC
Status
allocated
Allocated
6/27/2019

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
103.140.136.0/23AS2497IIJ - Internet Initiative Japan Inc. Valid
APNICRADB
5/31/2026
103.140.136.0/23AS138545ZCCCCL-AS-AP - Zero Cirrus Cloud Computing (Shanghai) Co., Ltd. Invalid—5/31/2026

Covering Prefix

2 less-specific announcements

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
103.140.136.0/23AS2497/24apnic

IRR Route Objects

2
OriginRegistryMaintainerModified
AS2497APNICMAINT-RIX-AP5/15/2026
AS2497RADBMAINT-AS24975/18/2026

More Specific Prefixes

2
PrefixASCountryStatus
103.140.137.0/24AS138545🇯🇵JPassigned
103.140.136.0/24AS138545🇯🇵JPassigned
Geolocation
Country🇨🇳ChinaCN
GEThttps://api.ipctl.io/v1/prefix/103.140.136.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/103.140.136.0/23" | jq