Data as of Nov 11, 2026
38.
Anonymizer- Proxy activity
- Not seen in 30 days
- Type
- VPNHosting network
- Risk
- 75 / 100 · High
- Operator
- VPN servicesoperated by NordVPN
- Announced by
- AS64249Charles River Operationendoffice.comHosting
- Announcement
- 38.124.1.0/24No RPKI
- Location
- Waltham, Massachusetts, United StatesAn anonymizer's exit: its user may be anywhere.
Network & registry
The block's full lineage, from registry to use, is on its prefix page.
Announced by
Announcement
- Prefix
- 38.124.1.0/24
- Announced by
- AS64249 Charles River Operation
- Type
- Hosting
- Anonymizer addresses
- 4 addresses · 1.6%VPN
- RPKI
- No RPKI
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 38.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Apr 16, 1991
- Legacy
- yes
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
Who has announced 38.124.1.0/24
38.124.1.0/24
Routing history
- Pattern
- Stable
- First seen
- Apr 2014
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2017
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 38.124.1.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS64249 | RADB | Charles River Operation | MAINT-AS27506 | Nov 13, 2023 |
Whois
Registration for this address
- Range
- 38.
124. 1. 0/ 24 - Netname
- NET-38-124-1-0-1
- 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-38-124-1-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Apr 13, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- support@
endoffice. com - Name
- Jay Copson
- Phone
- +1-978-344-2656
- Handle
- COPSO-ARIN
Geolocation
Location detail
- Country
- United States
- Region
- Massachusetts
- City
- Waltham
- Coordinates
- 42.
3765, -71. 2356 - Time zone
- America/New_York
- Continent
- North America
- GeoNames
- 4954380