Data as of Nov 3, 2026
51.241.4.0/24
Anonymizer · ISP proxy254 residential-proxy exits · 30 daysRCN · space held by Sky UK Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved · Proxy exits nearby
Recent change
New origin Jun 2026
from AS203048
Residential-proxy exits
Proxy exits
254
>99% of its addresses · 30 days
Always-on exits
19
7.5% of its exits
Providers
53
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
229K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- AnyIP
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- ColaProxy
- CoreProxy
- DataImpulse
- EnigmaProxy
- FlashProxy
- GeekProxy
- Geonode
- GoProxies
- GonzoProxy
- IPCola
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- Kookey
- LemonBright
- MagneticProxy
- MarsProxies
- MoMoProxy
- NodeMaven
- NovProxy
- NovaProxy
- PSBProxy
- PacketStream
- PrivateByte
- Proxies.fo
- Proxiware
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxying
- PuraRoute
- RainProxy
- RealProxy
- ResiProxies
- SpyderProxy
- Thordata
- ThunderProxy
- TrustProxy
- VProxy
IPv4 market
Path
Announced by AS6079 since Jun 2026 · 5 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 51.241.4.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 51.241.4.0/24 | /24s |
|---|---|---|
| Sky UK Limited | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
51.241.4.0/24
From the registry to its use
- Feb 5, 2026Registry recordSky UK LimitedALLOCATED PA51.241.0.0/16
- Feb 5, 2026ReallocatedSky UK LimitedSUB-ALLOCATED PA51.241.0.0/17
- May 7, 2026– May 18, 2026Announced
- Jun 12, 2026– Nov 2, 2026
- Jun 17, 2026Route objectIPXORIPE route object for AS6079 RCN, maintainer NETUTILS-MNT
- Jun 17, 2026Route objectIPXORADB route object for AS6079 RCN, maintainer MAINT-AS834
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 51.241.0.0/16 | 65,536 | UK-SKY-19930901 | Sky UK Limited (ORG-SUL39-RIPE) · GB | ALLOCATED PA | Feb 5, 2026 | [email protected] |
| └ 51.241.0.0/17 | 32,768 | SKY-LEASED-IPXO | Sky UK Limited (ORG-SUL39-RIPE) · GB | SUB-ALLOCATED PA | Feb 5, 2026 | [email protected] |
| └ 51.241.4.0/24 | 256 | NET-51-241-4-0-24 | unknown | ASSIGNED PA | Jun 17, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Sky UK Limited
- Handle
- ORG-SUL39-RIPE
- Range
- 51.241.0.0/16
- Registration type
- ALLOCATED PA
- Record created
- Feb 5, 2026
Origin network
AS6079
US
- Name
- RCN
- Type
- Internet provider
- Registered
- Apr 4, 2001
- Domain
- astound.com
- Website
- www.astound.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2026
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 51.241.4.0/24
- Netname
- NET-51-241-4-0-24
- Registrant country
- US
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Jun 17, 2026
- Updated
- Sep 7, 2026
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Private Customer
- Handle
- ETL26-RIPE