Data as of Nov 5, 2026
72.252.128.0/21
493 residential-proxy exits · 30 daysFLOW · space held by Columbus Networks USA, Inc.
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
493
24% of its addresses · 30 days
Always-on exits
127
26% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
94
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
299K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 72.252.133.0/24 | 22 | 75 | |
| 72.252.132.0/24 | 19 | 59 | |
| 72.252.134.0/24 | 17 | 67 | |
| 72.252.135.0/24 | 17 | 56 | |
| 72.252.128.0/24 | 14 | 63 | |
| 72.252.130.0/24 | 14 | 52 | |
| 72.252.129.0/24 | 13 | 64 | |
| 72.252.131.0/24 | 11 | 58 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BlurPath
- BottingTools
- Bright Data
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- CoreProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- GeekProxy
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- IPCola
- IPFly
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- LemonLabs
- LightningProxies
- LudaxProxy
- MangoProxy
- MarsProxies
- Maskify
- MoMoProxy
- MrScraper
- NSocks
- NextProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PrivateByte
- Proxiware
- Proxmint
- Proxy-Cheap
- Proxy-Seller
- Proxy302
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- RoamProxy
- RolaProxy
- Shifter
- SpyderProxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- TrueProxies
- TrustProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- Webshare
- YumiProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.252.0.0/16 since Apr 2006 | AS23520 | Residential | 7,119 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.252.0.0/16 | 65,536 | COLUMBUS-NETWORKS-3 | Columbus Networks USA, Inc. (CNU-6) · US | Direct Allocation | Jan 19, 2005 | rafael. |
| └ 72.252.128.0/21 | 2,048 | NWN-4-BLK128-135 | Merit Communication Limited (MCL-85) · JM | Reallocated | Dec 12, 2006 | — |
| └ 72.252.128.0/21 | 2,048 | CCJL-H0-CMTS1-72-252-128 | Columbus Communication Jamaica Limited (C01618623) · JM | Reassigned | Apr 22, 2007 | — |
Network & registry
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. 128. 0/ 21 - Reallocated
- Dec 12, 2006
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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2006
- Current origin since
- Dec 2006 · 20 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 72.
252. 128. 0/ 21 - Netname
- CCJL-H0-CMTS1-72-252-128
- Registrant
- Columbus Communication Jamaica Limited
- Organization
- Columbus Communication Jamaica Limited (C01618623)
- Type
- Reassigned
- Handle
- NET-72-252-128-0-2
- Parent
- NET-72-252-128-0-1
- Created
- Apr 22, 2007
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 19, 2005
- Status
- assigned
Report abuse
Abuse contact
- cpink@
cwc. com - Name
- Pink, Craig O
- Phone
- +1-876-469-0357
- Handle
- COP8-ARIN