Data as of Nov 8, 2026
66.150.196.0/24
1 residential-proxy exit · 30 daysCharles River Operation · space held by PF IPV4 Borrower, LLC
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
19
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
168 observations
Proxy providers listing exits
- 711Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- DataImpulse
- FlashProxy
- Geonode
- GonzoProxy
- Infatica
- InfiniteProxies
- PacketStream
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyRack
- Proxyma
- Thordata
- ThunderProxy
IPv4 market
Path
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
66.150.196.0/24
From the registry to its use
- Jul 13, 2001Registry recordPF IPV4 Borrower, LLCDirect Allocation66.150.184.0 - 66.150.227.255
- May 9, 2005– today
- Feb 9, 2022– today
- Feb 12, 2022Route objectAS64249 Charles River OperationALTDB route object for AS64249 Charles River Operation, maintainer MAINT-TOWARDEX
- Feb 12, 2022Route objectAS64249 Charles River OperationRADB route object for AS64249 Charles River Operation, maintainer MAINT-AS27552
- Nov 8, 2024AssignedCharles River OperationReassigned66.150.196.0/24
- todayLeased fromIPv4.GlobalIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 66.150.192.0/20 since May 2005 | AS14742 | Unknown | IP broker IPv4.Global | 1 | PF IPV4 Borrower, LLC |
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 |
|---|---|---|---|---|---|---|
| 66. | 11,264 | PNAP-06-2001 | PF IPV4 Borrower, LLC (PIHL-4) · US | Direct Allocation | Jul 13, 2001 | ipinfo@ |
| └ 66.150.196.0/24 | 256 | ENDOFFICE-MSR-1 | Charles River Operation (JC-328) · US | Reassigned | Nov 8, 2024 | support@ |
Network & registry
IPv4 market
Holder
- Organization
- PF IPV4 Borrower, LLC
- Handle
- PIHL-4
- Range
- 66.
150. 184. 0 - 66. 150. 227. 255 - Registration type
- Direct Allocation
- Record created
- Jul 13, 2001
Origin network
AS64249
US
- Name
- Charles River Operation
- Type
- Hosting
- Registered
- Apr 8, 2016
- Domain
- endoffice.com
- Website
- endoffice.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 4
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2022
- Current origin since
- Feb 2022 · 4.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 66.
150. 196. 0/ 24 - Netname
- ENDOFFICE-MSR-1
- Registrant
- Charles River Operation
- Organization
- Charles River Operation (JC-328)
- Org address
- 6 Liberty Sq., Ste. 170, Boston, MA, 02109
- Org country
- US
- Type
- Reassigned
- Handle
- NET-66-150-196-0-1
- Parent
- NET-66-150-184-0-2
- Created
- Nov 8, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 13, 2001
- Status
- assigned
Report abuse
Abuse contact
- support@
endoffice. com - Name
- Jay Copson
- Phone
- +1-978-344-2656
- Handle
- COPSO-ARIN