Data as of Nov 5, 2026
208.85.8.0/24
Anonymizer · Datacenter proxy192 residential-proxy exits · 30 daysCastro Telecom LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
Recently moved · Proxy exits nearby
Recent change
New origin Aug 2026
from AS200454 Tomas Oliveira Valente Leite de Castro
Residential-proxy exits
Proxy exits
192
75% of its addresses · 30 days
Always-on exits
190
99% of its exits
Providers
58
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
1.1M observations
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CatProxies
- ColaProxy
- CoreProxy
- DataImpulse
- Datarama
- Decodo
- EnigmaProxy
- Evomi
- FloppyData
- FuseProxy
- GSocks
- GeekProxy
- Geonode
- GoProxies
- GonzoProxy
- IPFly
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- LemonBright
- MagneticProxy
- MarsProxies
- NodeMaven
- NodeProxy
- Novada
- Oxylabs
- PSBProxy
- PacketStream
- PrivateByte
- PrivateProxy
- Proxmint
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyStyler
- ProxyWing
- Proxying
- Proxyma
- Q2IP
- RainProxy
- Shifter
- SpyderProxy
- Thordata
- ThunderProxy
- VProxy
- VitalExclusive
IPv4 market
Path
Announced by AS19577 since Aug 2026 · 12 wk ago
2 · Leased from
not leased
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 208.85.8.0/24 | /24s |
|---|---|---|---|
| Castro Telecom | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
208.85.8.0/24
From the registry to its use
- Dec 8, 2007– Oct 20, 2017AnnouncedAS25986 IEX Group, Inc.
- Oct 9, 2017– Feb 5, 2018
- Dec 19, 2024– Oct 2, 2025
- Dec 20, 2024Registry recordCastro Telecom LLCDirect Allocation208.85.8.0/22
- Apr 6, 2025– Sep 20, 2025
- Sep 9, 2025– Sep 20, 2025
- Sep 21, 2025– today
- Nov 1, 2025Route objectAS200454 Tomas Oliveira Valente Leite de CastroARIN route object for AS200454 Tomas Oliveira Valente Leite de Castro, maintainer MNT-CTL-383
- Aug 11, 2026– today
- todayUsedCastro TelecomProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Operator | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|
| 208.85.8.0/22 since Sep 2025 | AS19577 | Datacenter proxy | 76875% | Proxy providersoperated by Castro Telecom | 960 665 always on | Castro Telecom LLC |
Network & registry
Origin network
AS19577
US
- Name
- Castro Telecom LLC
- Type
- Hosting
- Registered
- Jun 14, 2024
- Domain
- ulisboa.pt
- Website
- tecnico.ulisboa.pt
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2007
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 3
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 3
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS200454 not the origin | ARIN | 530-B HARKLE ROAD STE 100 | MNT-CTL-383 | Nov 1, 2025 |
Whois
Registration for this announcement
- Range
- 208.
85. 8. 0/ 22 - Netname
- FEMBOY-ENTERPRISES
- Registrant
- Castro Telecom LLC
- Organization
- Castro Telecom LLC (CTL-383)
- Org address
- 530-B HARKLE ROAD STE 100, Santa Fe, NM, 87505
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-208-85-8-0-1
- Parent
- NET-208-0-0-0-0
- Created
- Dec 20, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 2024
- Status
- assigned
Report abuse
Abuse contact
- tomas.
leite. castro@ tecnico. ulisboa. pt - Name
- Tomas Oliveira Valente Leite de Castro
- Phone
- +1-202-555-0109
- Handle
- TOVLC-ARIN