Data as of Nov 11, 2026

203.158.0.0/23

1 residential-proxy exit · 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

0.20% 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

4 observations

Proxy providers listing exits

2Captcha
BirdProxies
BottingTools
ByteProxies
Byteful
Evomi
Geonode
GonzoProxy
IPOasis
Infatica
InfiniteProxies
LemonBright
Proxy-Seller
ProxyEmpire
Proxyma
Shifter
Smartproxy
Thordata
VitalExclusive

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Proxy exits	Holder	RPKI
203.158.0.0/24 since Sep 2016	AS55545	Business		SUT
203.158.1.0/24 since Sep 2016	AS55545	Business	1	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