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Data as of Nov 3, 2026

72.252.136.0/21

448 residential-proxy exits · 30 days

FLOW · space held by Columbus Networks USA, Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS30689
Type
Residential

Residential-proxy exits

Proxy exits
448
22% of its addresses · 30 days
Always-on exits
105
23% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
99
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

277K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
72.252.140.0/242080
72.252.136.0/241771
72.252.137.0/241673
72.252.142.0/241459
72.252.143.0/241365
72.252.141.0/241246
72.252.138.0/24924
72.252.139.0/24424

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FloppyData
  • FuseProxy
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • MrScraper
  • NSocks
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PrivateByte
  • ProxiesVision
  • Proxiware
  • Proxmint
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • Webshare
  • YumiProxy

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
72.252.138.0/24
since Apr 2020
AS30689Residential24
9 always on
Columbus Networks USA, Inc.
via Merit Communication Limited

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.252.0.0/1665,536COLUMBUS-NETWORKS-3Columbus Networks USA, Inc. (CNU-6) · USDirect AllocationJan 19, 2005[email protected]
└ 72.252.136.0/212,048NWN-4-BLK136-143Merit Communication Limited (MCL-85) · JMReallocatedMar 28, 2007—
└ 72.252.136.0/212,048CCJL-H0-CMTS1-72-252-136Columbus Communication Jamaica Limited (C01618624) · JMReassignedApr 22, 2007—

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
Columbus Networks USA, Inc.
Handle
CNU-6
Range
72.252.0.0/16
Registration type
Direct Allocation
Record created
Jan 19, 2005
Reallocated to
Merit Communication Limited (MCL-85)
Reallocated range
72.252.136.0/21
Reallocated
Mar 28, 2007
Origin network

AS30689

JM
Name
FLOW
Type
Internet provider
Registered
Dec 5, 2003
Domain
discoverflow.co
Website
discoverflow.co/jamaica/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed