Data as of Nov 8, 2026
38.4.168.0/21
52 residential-proxy exits · 30 daysLastnet Telecom · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
88% of it
Recent change
New origin Oct 22, 2026
its first announcement on record
Residential-proxy exits
Proxy exits
52
2.5% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
62
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
46K observations
Proxy providers listing exits
- 711Proxy
- 9Proxy
- ASHBURNPROXIES
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EVOPROXY
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FloppyData
- GSocks
- Geonode
- GloryCloud
- HideProxy
- IPFly
- IPMUSK
- IPPeak
- Infatica
- InfiniteProxies
- KindProxy
- LemonBright
- LudaxProxy
- MangoProxy
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- ProxiesVision
- Proxiware
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RH7Proxy
- RainProxy
- RapidProxy
- SPYDERPROXY_BASIC
- Shifter
- SwiftProxy
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- YumiProxy
- ZENPROXY_LITE
- ZENPROXY_PREMIUM
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) | 403,985 78,265 always on | Cogent Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 38.4.168.0/23 since Oct 22, 2026 | AS273595 | Residential | 52 | Cogent Communications, LLC | |
| 38.4.168.0/24 | AS272243 | Unknown | 52 | Cogent Communications, LLC | |
| 38.4.170.0/23 since Oct 22, 2026 | AS273595 | Residential | Cogent Communications, LLC | ||
| 38.4.172.0/23 since Oct 22, 2026 | AS273595 | Residential | Cogent Communications, LLC | ||
| 38.4.174.0/23 since Oct 22, 2026 | AS273595 | Residential | Cogent Communications, LLC |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,792 | 88% | 4 | |
| Unknown | 256 | 13% | 1 |
Network & registry
Origin network
AS273595
BR
- Name
- Lastnet Telecom
- Type
- Internet provider
- Registered
- Sep 30, 2022
- Domain
- lastnet.com.br
- Website
- www.lastnet.com.br
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.4.168.0/21 | AS273595 | /24 | ARIN | RPKI valid |
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