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Data as of Nov 4, 2026

203.158.6.0/23

No anonymizer space · no proxy exits in 30 days

Suranaree University of Technology · space held by SUT

Announcement

No RPKI

Announced by

Type

Business

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
203.158.6.0/24 since Sep 2016	AS55545	Business	SUT
203.158.7.0/24 since Sep 2016	AS55545	Business	SUT

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 203.158.0.0/21

Prefix: 203.158.0.0/21
Announced by: AS55545 Suranaree University of Technology
Type: Business
Proxy exits: 61
Always-on exits: 2
RPKI: No RPKI
Netname: SUOT-TH
Registrant: SUT
RIR: APNIC

Origin network

AS55545

TH

Name: Suranaree University of Technology
Type: Education
Registered: Jun 11, 2010
Domain: sut.ac.th
Industry: Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP: not listed

IRR

Route objects on 203.158.0.0/21

Origin	Registry	Description	Maintainer	Modified
AS4621 not the origin	RADB	Technology Suranaree University Network	MAINT-AS4621	Nov 13, 2023
AS38082 not the origin	NTTCOM	CMI IP Transit	MAINT-CMI-INT-HK	Sep 6, 2018
AS38082 not the origin	RADB	CMI (Customer Route)	MAINT-AS58453	Nov 13, 2023
AS45430 not the origin	NTTCOM	CMI IP Transit	MAINT-CMI-INT-HK	Jan 3, 2017
AS45430 not the origin	RADB	CMI (Customer Route)	MAINT-AS58453	Nov 13, 2023
AS55545	RADB	Suranaree University of Technology, Thailand	MAINT-AS4621	Nov 13, 2023
AS55545	NTTCOM	Proxy-registered route object	MAINT-AS9304	Sep 27, 2022
AS198949 not the origin	RADB	AIS-AWN	MAINT-AS198949	Nov 13, 2023