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Data as of Nov 5, 2026

151.237.52.0/22

43 residential-proxy exits · 30 days

Prolan Ltd. · space held by Passive Optical Networks FiberBG EOOD

Announcement
151.237.48.0/21
RPKI valid
Announced by
AS48181
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
43
4.2% of its addresses · 30 days
Always-on exits
4
9.3% of its exits
Spread
4 of 4
/24s with at least one exit
Providers
64
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

3.1K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
151.237.55.0/24214
151.237.53.0/2417
151.237.52.0/2415
151.237.54.0/24017

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • BestProxy
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LightningProxies
  • MangoProxy
  • MoMoProxy
  • NSocks
  • NextProxy
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • Novada
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • Shifter
  • Smartproxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • YumiProxy

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
151.237.48.0/212,048BG-FIBERBG-20120816Passive Optical Networks FiberBG EOOD (ORG-PONF1-RIPE) · BGALLOCATED PANov 8, 2022lir@fiberbg.net
└ 151.237.52.0/221,024BG-PROLANProlan Ltd.ASSIGNED PANov 1, 2018lir@fiberbg.net
via BG-FIBERBG-20120816

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 151.237.48.0/21

Prefix
151.237.48.0/21
Announced by
AS48181 Prolan Ltd.
Type
Residential
Proxy exits
91
Always-on exits
9
RPKI
RPKI valid
Netname
BG-FIBERBG-20120816
Registrant
Passive Optical Networks FiberBG EOOD
RIR
RIPE NCC
Origin network

AS48181

BG
Name
Prolan Ltd.
Type
Internet provider
Registered
Oct 22, 2008
Domain
prolan.bg
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed