Home Prefix Lookup153.45.183.0/24

153.45.183.0/24 - Microsoft Corporation (AS8075)

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

CIDR

153.45.183.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇰🇷 South Korea

City

Yongsan-dong

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
153.45.183.0/24	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Valid	ARINOther IRR	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
153.45.183.0/24	AS8075	/24	arin
153.45.0.0/16	AS8987	/24	arin
153.45.0.0/16	AS14618	/24	arin
153.45.0.0/16	AS16509	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS8075	ARIN	MNT-SNOWF-1	2026-06-12
AS8075	Other IRR	MAINT-AS8075	2026-06-25

Transfer History

Registry transfers of 153.45.183.0/24, blocks inside it, or blocks containing it.

153.45.0.0/16Transfer · 2025-07-02
HP Inc.
🇺🇸 US ARIN
→
Snowflake, Inc.
🇺🇸 US ARIN
153.45.0.0/16M&A · 2022-04-04
Hewlett-Packard Company
🇺🇸 US ARIN
→
HP Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-07-02	153.45.0.0/16	HP Inc. 🇺🇸 US ARIN	Snowflake, Inc. 🇺🇸 US ARIN	Transfer
2022-04-04	153.45.0.0/16	Hewlett-Packard Company 🇺🇸 US ARIN	HP Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS8075

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

Related Prefixes

More prefixes of AS8075

All prefixes of AS8075 →

Geolocation

Country🇰🇷South KoreaKR

RegionSeoul

CityYongsan-dong

Coordinates37.5503, 126.9970 ↗

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/153.45.183.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/153.45.183.0/24" | jq

External Links

RIPEstat