Home Prefix Lookup147.5.57.0/24

147.5.57.0/24 - Oracle Corporation (AS31898)

IPv4ARINannouncedAS31898ORACLE-BMC-31898 - Oracle Corporation RPKI Valid

CIDR

147.5.57.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇯🇵 Japan

City

Minoh (Saitoaokita)

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
147.5.57.0/24	AS31898 ORACLE-BMC-31898 - Oracle Corporation	Valid	ARINOther IRR	2026-10-14

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
147.5.57.0/24	AS31898	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS31898	ARIN	MNT-ORACLE-4	2026-08-25
AS31898	Other IRR	MAINT-ORACLE	2026-05-21

Transfer History

Registry transfers of 147.5.57.0/24, blocks inside it, or blocks containing it.

147.5.0.0/16Transfer · 2022-12-02
VIA TECHNOLOGIES
🇺🇸 US ARIN
→
Oracle Corporation
🇺🇸 US ARIN
147.5.0.0/16M&A · 2022-09-28
Cyrix Corporation
🇺🇸 US ARIN
→
VIA TECHNOLOGIES
🇺🇸 US ARIN

Date	Resource	From	To	Type
2022-12-02	147.5.0.0/16	VIA TECHNOLOGIES 🇺🇸 US ARIN	Oracle Corporation 🇺🇸 US ARIN	Transfer
2022-09-28	147.5.0.0/16	Cyrix Corporation 🇺🇸 US ARIN	VIA TECHNOLOGIES 🇺🇸 US ARIN	M&A

Origin ASN

AS31898

ORACLE-BMC-31898 - Oracle Corporation

Related Prefixes

More prefixes of AS31898

All prefixes of AS31898 →

Geolocation

Country🇯🇵JapanJP

RegionOsaka

CityMinoh (Saitoaokita)

Coordinates34.8587, 135.5090 ↗

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/147.5.57.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/147.5.57.0/24" | jq

External Links

RIPEstat