HomePrefix Lookup120.133.237.0/24

120.133.237.0/24

🇨🇳
IPv4APNICannouncedMOAS RPKI Valid
CIDR
120.133.237.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
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
120.133.237.0/24AS4811CHINANET-SHANGHAI-MAN - China Telecom (Group) Valid
RADB
6/1/2026
120.133.237.0/24AS17621CNCGROUP-SH - China Unicom Shanghai network Valid—6/1/2026

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
120.133.0.0/16AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications CorporationNo ROA—6/1/2026
120.133.236.0/22AS17428CHINA-ABITCOOL - 21Vianet.Co.,Ltd Valid—6/1/2026

RPKI ROAs

9
PrefixOriginMax LengthTrust Anchor
120.133.224.0/20AS4811/32apnic
120.133.224.0/20AS9308/32apnic
120.133.224.0/20AS9802/32apnic
120.133.224.0/20AS17428/32apnic
120.133.224.0/20AS17621/32apnic
120.133.224.0/20AS23724/32apnic
120.133.224.0/20AS24400/32apnic
120.133.224.0/20AS59020/32apnic
120.133.224.0/20AS133111/32apnic

IRR Route Objects

2
OriginRegistryMaintainerModified
AS4811RADBMAINT-AS481211/13/2023
AS17428RADBMAINT-HGC-INTL11/13/2023
Origin ASNs (2)
AS4811MOAS
CHINANET-SHANGHAI-MAN - China Telecom (Group)
AS17621MOAS
CNCGROUP-SH - China Unicom Shanghai network
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityChaowai (Chaoyang)
Coordinates39.9715, 116.4900 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/120.133.237.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/120.133.237.0/24" | jq
External Links
RIPEstat Hurricane Electric BGP