HomePrefix Lookup138.91.0.0/16

138.91.0.0/16

🇯🇵
IPv4ARINallocatedAS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation RPKI Valid
CIDR
138.91.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
ARIN
Status
allocated
Allocated
6/22/2011

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
138.91.0.0/16AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation Valid
RADB
6/13/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
138.91.0.0/16AS8075/16arin

IRR Route Objects

1
OriginRegistryMaintainerModified
AS8075RADBMAINT-AS807511/13/2023
Origin ASN
AS8075
MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation
Geolocation
Country🇯🇵JapanJP
CityTokyo
Coordinates35.6762, 139.6503 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/138.91.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/138.91.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP