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Data as of Nov 3, 2026

138.198.0.0/16

No anonymizer space · no proxy exits in 30 days

UUNET Japan Limited · space held by Stmicroelectronics Limited

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
138.198.4.0/24 since Apr 2024	AS9466	Business	Stmicroelectronics Limited

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS9466

JP

Name: UUNET Japan Limited
Type: Internet provider
Registered: Dec 11, 1998
Domain: uu.net
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS2830 not the origin	RIPE		ST-CORP-RIPE-MNT	Jul 31, 2023
AS4862 not the origin	RADB	Proxy-registered route object	MAINT-AS3491	Mar 28, 2025

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
138.198.0.0/24	AS4657	REACH	REACH (Customer Route)	MAINT-REACH-NOC	Oct 14, 2005
138.198.100.0/24	AS51964	RADB	OBS customer	MAINT-AS5583	Nov 13, 2023
138.198.100.0/24	AS4862	REACH	REACH (Customer Route)	MAINT-REACH-NOC	Nov 22, 2009
138.198.101.0/24	AS51964	RADB	OBS customer	MAINT-AS5583	Nov 13, 2023
138.198.252.0/24	AS51964	RADB	OBS customer	MAINT-AS5583	Nov 13, 2023
138.198.252.0/24	AS4862	REACH	REACH (Customer Route)	MAINT-REACH-NOC	Nov 22, 2009