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Data as of Nov 5, 2026

72.252.216.0/21

456 residential-proxy exits · 30 days

FLOW · space held by Columbus Networks USA, Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS30689
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby

Residential-proxy exits

Proxy exits
456
22% of its addresses · 30 days
Always-on exits
95
21% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
99
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

218K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
72.252.220.0/241976
72.252.219.0/241677
72.252.221.0/241368
72.252.223.0/241268
72.252.218.0/241244
72.252.217.0/241036
72.252.222.0/24951
72.252.216.0/24436

Proxy providers listing exits

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
72.252.0.0/16
since Apr 2006
AS23520Residential7,119
1,715 always on
Columbus Networks USA, Inc.

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, 2005rafael.espinosa@libertynet.com
└ 72.252.216.0 - 72.252.231.2554,096CN-72-252-216-0Merit Communication Limited (MCL-85) · JMReallocatedNov 7, 2007—
└ 72.252.216.0/23512CCJL-H1-CMTS2-72-252-216unknown———
└ 72.252.218.0/23512CCJL-H1-CMTS2-72-252-218unknown———
└ 72.252.220.0/23512CCJL-H1-CMTS2-72-252-220unknown———
└ 72.252.222.0/23512CCJL-H1-CMTS2-72-252-222unknown———

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
72.252.216.0 - 72.252.231.255
Reallocated
Nov 7, 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