Data as of Nov 7, 2026
38.124.1.0/24
4 anonymizer addresses · 1.6% · VPNCharles River Operation · space held by Cogent Communications, LLC
IPv4 market
Path
2 · Leased from
not leased
Operators, sellers and brokers
VPN services
| Name | Parent | In 38.124.1.0/24 | /24s |
|---|---|---|---|
| NordVPN | Nord Security | 41.6% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
38.124.1.0/24
From the registry to its use
- Apr 16, 1991Registry recordCogent Communications, LLCDirect Allocation (legacy, pre-1997)38.0.0.0/8
- Apr 1, 2014– Jul 21, 2016
- Dec 13, 2016Route objectAS64249 Charles River OperationRADB route object for AS64249 Charles River Operation, maintainer MAINT-AS27506
- Dec 8, 2017– today
- Apr 13, 2018AssignedCharles River OperationReassigned38.124.1.0/24
- Sep 18, 2026– today
- todayUsedNordVPNVPN
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Operator | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | 62,7250.37%ISP proxy, Datacenter proxy, VPN | Proxy providerssold by Oxylabs, QuarkIP, HypeProxy, Novada, MyPrivateProxyVPN servicesoperated by Windscribe | IP broker Rackdog (part) | 404,266 78,035 always on | Cogent Communications, 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 |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.124.1.0/24 | 256 | NET-38-124-1-0-1 | Charles River Operation (JC-328) · US | Reassigned | Apr 13, 2018 | support@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 252 | 98% | 5 | |
| VPNanonymizer | 4 | 1.6% | 4 |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
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 the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS64249 | RADB | Charles River Operation | MAINT-AS27506 | Nov 13, 2023 |
Whois
Registration for this announcement
- 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