HomePrefix Lookup157.207.4.0/23

157.207.4.0/23

🇺🇸
IPv4ARINannouncedAS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation RPKI Valid
CIDR
157.207.4.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Des Moines
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
157.207.4.0/23AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation Valid
ARINRADB
6/15/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
157.207.4.0/23AS8075/23arin

IRR Route Objects

2
OriginRegistryMaintainerModified
AS8075ARINMNT-THEAPA-Z5/1/2026
AS8075RADBMAINT-AS80759/10/2025
Origin ASN
AS8075
MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation
Geolocation
Country🇺🇸United StatesUS
RegionIowa
CityDes Moines
Coordinates41.5868, -93.6250 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/157.207.4.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/157.207.4.0/23" | jq
External Links
RIPEstat Hurricane Electric BGP