Data as of Nov 13, 2026

171.253.4.0/23

109 residential-proxy exits · 30 days

Viettel Group

Announcement

171.253.0.0/21

RPKI valid

Announced by

AS7552

Type

Residential

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

109

21% of its addresses · 30 days

Spread

2 of 2

/24s with at least one exit

Providers

selling exits here

Oct 14, 2026 – Nov 12, 2026

Exits seen per day

463 observations

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
171.253.5.0/24	0	55
171.253.4.0/24	0	53

Proxy providers listing exits

711Proxy
AnyIP
B2Proxy
BottingTools
CliProxy
DataImpulse
Decodo
EZProxies
EnigmaProxy
Evomi
FastProxy
FlashProxy
GhostConnect
GloryCloud
IPFly
IPPeak
Infatica
InfiniteProxies
Kookey
LemonBright
LudaxProxy
NovaProxy
Novada
Oxylabs
PROXYSCRAPE
Proxio
Proxiware
ProxyEmpire
ProxyGeo
ProxyRack
PuraRoute
RainProxy
Shifter
TalorData
Thordata
ThunderProxy
VantageProxies
VitalExclusive

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder
171.253.0.0/20 since Apr 2011	AS7552	Residential	833	Viettel Group
171.248.0.0/13 since Apr 2011	AS7552	Residential	89,029 4,482 always on	Viettel Group
171.224.0.0/11	AS7552	Residential	321,206 12,863 always on	Viettel Group

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

171.253.0.0/21

Routing history

Pattern: Stable
First seen: Dec 2014
Current origin since: Dec 2014 · 12 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
171.224.0.0/11	AS7552	/24	APNIC	RPKI valid
171.224.0.0/11	AS24086	/24	APNIC	Another network
171.224.0.0/11	AS38731	/24	APNIC	Another network

IRR

Route objects on 171.253.0.0/21

Origin	Registry	Description	Maintainer	Modified
AS7552	RADB	Proxy-registered route object	MAINT-AS9304	Nov 13, 2023