145.190.4.0/23

🇺🇸

CIDR

145.190.4.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇺🇸 United States

City

San Jose

RIR

RIPE

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
145.190.4.0/23	AS8069MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Valid	—	6/13/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
145.190.0.0/15	AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Valid	—	6/13/2026

Prefix	Origin	Max Length	Trust Anchor
145.190.4.0/23	AS8069	/23	ripe
145.190.0.0/15	AS8075	/15	ripe
145.176.0.0/12	AS8075	/12	ripe

Origin ASN

Geolocation

Country🇺🇸United StatesUS

CitySan Jose

API

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

curl -s "https://api.ipctl.io/v1/prefix/145.190.4.0/23" | jq

External Links