HomePrefix Lookup23.131.136.0/24

23.131.136.0/24

🇯🇵
IPv4ARINallocatedAS2497IIJ - Internet Initiative Japan Inc. RPKI Valid
CIDR
23.131.136.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇯🇵 Japan
City
Shinagawa
RIR
ARIN
Status
allocated
Allocated
1/28/2026

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
23.131.136.0/24AS2497IIJ - Internet Initiative Japan Inc. Valid
ARINRADB
5/31/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
23.131.136.0/24AS2497/24arin
23.131.136.0/24AS9304/24arin

IRR Route Objects

3
OriginRegistryMaintainerModified
AS2497ARINMNT-WL-7843/25/2026
AS9304ARINMNT-WL-7843/25/2026
AS2497RADBMAINT-AS24974/1/2026
Origin ASN
AS2497
IIJ - Internet Initiative Japan Inc.
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityShinagawa
Coordinates35.6174, 139.7480 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/23.131.136.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/23.131.136.0/24" | jq
External Links
RIPEstat Hurricane Electric BGP