Data as of Nov 3, 2026
199.235.152.0/21
Anonymizer · ISP proxy113 residential-proxy exits · 30 daysCablevision Lightpath LLC · space held by Halton District School Board
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin May 2026
from AS33105 Halton District School Board
Residential-proxy exits
Proxy exits
113
5.5% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
7
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
377 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 199.235.152.0/24 | 0 | 91 | |
| 199.235.153.0/24 | 0 | 22 |
Proxy providers listing exits
- 711Proxy
- Ake.net
- Byteful
- KocerRoxy
- LemonBright
- Smartproxy
- ThunderProxy
IPv4 market
Path
Announced by AS54004 since May 2026 · 6 mo ago
1 · Holder
record created Apr 18, 1994 · reallocated to Internet Utilities NA LLC Apr 23, 2026
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 199.235.152.0/21 | /24s |
|---|---|---|---|
| Ashburn Proxies | 2,048100% | 8 |
Leased from
Owners leasing their own space
| Name | In 199.235.152.0/21 | /24s |
|---|---|---|
| Halton District School Board | 2,048100% | 8 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
199.235.152.0/21
From the registry to its use
- Apr 18, 1994Registry recordHalton District School BoardDirect Allocation (legacy, pre-1997)199.235.0.0/16
- Dec 6, 1995
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.152.0/24
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.153.0/24
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.154.0/24
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.155.0/24
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.156.0/24
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.157.0/24
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.158.0/24
- Jan 22, 1998Route objectAS577 Bell CanadaBELL route object for AS577 Bell Canada, maintainer BELL-RC199.235.159.0/24
- Nov 8, 2014– Dec 25, 2025AnnouncedAS33105 Halton District School Board
- Apr 23, 2026ReallocatedInternet Utilities NA LLCReallocated199.235.0.0/16
- May 4, 2026AssignedExo BroadbandReassigned199.235.152.0/21
- May 4, 2026Route objectIPXORADB route object for AS54004 Cablevision Lightpath LLC, maintainer MAINT-AS834
- May 4, 2026Route objectIPXOARIN route object for AS54004 Cablevision Lightpath LLC, maintainer MNT-DCL-577
- May 7, 2026– Nov 2, 2026
- Aug 20, 2026Route objectIPXOARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-DCL-577
- Aug 24, 2026Route objectIPXORADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS834
- todayLeased fromIPXOIP broker
- todayUsedAshburn ProxiesProxy seller
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 |
|---|---|---|---|---|---|---|
| 199.235.0.0/16 | 65,536 | HALTON-NET | Halton District School Board (HBE-1) · CA | Direct Allocation | Apr 18, 1994 | [email protected] |
| └ 199.235.0.0/16 | 65,536 | HDSB199235-16 | IPXO LLC (IL-845) · US | Reallocated | Mar 26, 2026 | [email protected] |
| └ 199.235.0.0/16 | 65,536 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Apr 23, 2026 | [email protected] |
| └ 199.235.152.0/21 | 2,048 | NET-199-235-152-0-21 | Exo Broadband (C11586281) · US | Reassigned | May 4, 2026 | [email protected] via HALTON-NET |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Halton District School Board
- Handle
- HBE-1
- Range
- 199.235.0.0/16
- Registration type
- Direct Allocation
- Record created
- Apr 18, 1994
- Legacy
- yes
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated
- Apr 23, 2026
Origin network
AS54004
US
- Name
- Cablevision Lightpath LLC
- Type
- Internet provider
- Registered
- Aug 31, 2011
- Domain
- lightpathfiber.com
- Website
- lightpathfiber.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
- Nov 2014
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS577 not the origin | BELL | Bell Canada | BELL-RC | Dec 6, 1995 |
| AS7029 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Aug 20, 2026 |
| AS7029 not the origin | RADB | autogen | MAINT-AS834 | Aug 24, 2026 |
| AS54004 | RADB | autogen | MAINT-AS834 | May 4, 2026 |
| AS54004 | ARIN | Used by EndUser | MNT-DCL-577 | May 4, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 199.235.152.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
| 199.235.153.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
| 199.235.154.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
| 199.235.155.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
| 199.235.156.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
| 199.235.157.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
| 199.235.158.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
| 199.235.159.0/24 | AS577 | BELL | halton-net | BELL-RC | Jan 22, 1998 |
Whois
Registration for this announcement
- Range
- 199.235.152.0/21
- Netname
- NET-199-235-152-0-21
- Registrant
- Exo Broadband
- Organization
- Exo Broadband (C11586281)
- Type
- Reassigned
- Handle
- NET-199-235-152-0-1
- Parent
- NET-199-235-0-0-3
- Created
- May 4, 2026
- RIR
- ARIN
- Country
- CA
- Delegated
- Apr 18, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN