Data as of Nov 13, 2026
38.131.154.0/24
Anonymizer · ISP proxyCogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
IPv4 market
Path
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 38.131.154.0/24 | /24s |
|---|---|---|
| Rackdog | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
38.131.154.0/24
From the registry to its use
- Apr 16, 1991Registry recordCogent Communications, LLCDirect Allocation (legacy, pre-1997)38.0.0.0/8
- May 9, 2021– Jul 19, 2021
- Jul 14, 2021Route objectAS7029 Windstream Communications LLCRADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
- Jul 20, 2021– Oct 6, 2022
- Jan 11, 2023– Dec 13, 2025
- Mar 12, 2024Route objectAS395111 KVCHOSTING.COM LLCALTDB route object for AS395111 KVCHOSTING.COM LLC, maintainer MAINT-AS395111
- Jan 31, 2026– Mar 31, 2026
- Apr 1, 2026– today
- Aug 11, 2026– Sep 21, 2026
- Sep 18, 2026– today
- todayLeased fromRackdogIP broker
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 | 76,2940.45%ISP proxy, Datacenter proxy, VPN | Proxy providerssold by Oxylabs, QuarkIP, HypeProxy, Novada, Webshare, MyPrivateProxyVPN servicesoperated by Windscribe, VPN Gate | IP broker Rackdog (part) | 398,658 73,038 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 2,203
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2021
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 3
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 4
- Also announced by
- 395111
Whois
Registration for this announcement
- Range
- 38.
0. 0. 0/ 8 - Netname
- COGENT-A
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-38-0-0-0-1
- Created
- Apr 16, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN