HomePrefix Lookup203.153.72.0/21

203.153.72.0/21

🇯🇵
IPv4APNICannouncedAS17931NETFOREST - Netforest,Inc. RPKI Valid
CIDR
203.153.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Yokohama (Sakaechō)
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
203.153.72.0/21AS17931NETFOREST - Netforest,Inc. Valid
RADB
5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
203.153.64.0/20AS17931/32apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS17931RADBMAINT-AS179319/5/2024
Origin ASN
AS17931
NETFOREST - Netforest,Inc.
Geolocation
Country🇯🇵JapanJP
RegionKanagawa
CityYokohama (Sakaechō)
Coordinates35.4682, 139.6280 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/203.153.72.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/203.153.72.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP