Data as of Nov 6, 2026
38.74.72.0/23
3 residential-proxy exits · 30 daysNextremum s.r.o. · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS394830 Massivemesh LLC
Residential-proxy exits
Proxy exits
3
0.59% of its addresses · 30 days
Spread
2 of 2
/24s with at least one exit
Providers
29
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
1.0K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 38.74.73.0/24 | 0 | 2 | |
| 38.74.72.0/24 | 0 | 1 |
Proxy providers listing exits
- BartProxies
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- GSocks
- Geonode
- IPFly
- IPPeak
- Infatica
- InfiniteProxies
- MangoProxy
- NodeProxy
- NovProxy
- NovaProxy
- Proxiware
- ProxyEmpire
- ProxyGeo
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- VantageProxies
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 405,043 77,969 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS208962
CZ
- Name
- Nextremum s.r.o.
- Type
- Internet provider
- Registered
- Jun 1, 2022
- Domain
- nextremum.net
- Website
- nextremum.net/
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2019
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 1
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