Home Prefix Lookup23.103.160.0/20

23.103.160.0/20 - Microsoft Corporation (AS8075)

IPv4ARINannouncedAS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation RPKI Valid

CIDR

23.103.160.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇯🇵 Japan

City

Shibuya City

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
23.103.160.0/20	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Valid	Other IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
23.103.128.0/17	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
23.103.160.0/20	AS8075	/20	arin
23.103.128.0/17	AS8075	/17	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS8075	Other IRR	MAINT-AS8075	2023-11-13

Origin ASN

AS8075

MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation

Related Prefixes

Covering prefix

23.103.128.0/17AS8075

More prefixes of AS8075

All prefixes of AS8075 →

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityShibuya City

Coordinates35.6764, 139.6500 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/23.103.160.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/23.103.160.0/20" | jq

External Links

RIPEstat