Data as of Nov 11, 2026

203.158.4.0/23

2 residential-proxy exits · 30 days

Suranaree University of Technology · space held by SUT

Announcement

203.158.0.0/21

No RPKI

Announced by

AS55545

Type

Business

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Spread

1 of 2

/24s with at least one exit

Providers

selling exits here

Oct 12, 2026 – Nov 10, 2026

Exits seen per day

29 observations

Proxy providers listing exits

BottingTools
FastProxy
LemonBright
PuraRoute
Shifter
ThunderProxy

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Proxy exits	Holder	RPKI
203.158.4.0/24 since Sep 2016	AS55545	Business	2	SUT
203.158.5.0/24 since Sep 2016	AS55545	Business		SUT

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 203.158.0.0/21

203.158.0.0/21

Routing history

Pattern: Stable
First seen: May 2005
Current origin since: Dec 2010 · 16 yr
Origin networks: 2
Last change of origin: Dec 2010

Recorded history

History

Handoffs: 1

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