Data as of Nov 8, 2026
204.157.145.0/24
33 residential-proxy exits · 30 daysFlavio Fernando Costa · space held by Cogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
33
13% of its addresses · 30 days
Always-on exits
3
9.1% of its exits
Providers
58
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
24K observations
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- Evomi
- FlashProxy
- FlexyProxies
- FloppyData
- Geonode
- GloryCloud
- GoProxies
- GonzoProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- MangoProxy
- Maskify
- NSocks
- NovaProxy
- Novada
- Oxylabs
- PrivateByte
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- RainProxy
- RapidProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VitalExclusive
- Webshare
- YumiProxy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.157.144.0/23 since Mar 2024 | AS273586 | Residential | 65 3 always on | Cogent Communications, LLC | |
| 204.157.0.0/16 since Jun 2005 | AS174 | Internet provider | 5,298 1,623 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 |
|---|---|---|---|---|---|---|
| 204.157.0.0/16 | 65,536 | COGENT-204-157-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Sep 21, 1994 | abuse@ |
| └ 204.157.144.0/23 | 512 | FFCJNTIES-CGNT-NET-1 | Flavio Fernando Costa / JF Net Telecomunicacoes, Informatica e Seguranca (C10335748) · BR | Reassigned | Oct 26, 2023 | abuse@ via COGENT-204-157-16 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 204.
157. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Sep 21, 1994
- Legacy
- yes
Origin network
AS273586
BR
- Name
- Flavio Fernando Costa
- Type
- Internet provider
- Registered
- Sep 19, 2022
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2022
- Current origin since
- Mar 2024 · 2.6 yr
- Origin networks
- 3
- Last change of origin
- Mar 2024
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 204.
157. 144. 0/ 23 - Netname
- FFCJNTIES-CGNT-NET-1
- Registrant
- Flavio Fernando Costa / JF Net Telecomunicacoes, Informatica e Seguranca
- Organization
- Flavio Fernando Costa / JF Net Telecomunicacoes, Informatica e Seguranca (C10335748)
- Type
- Reassigned
- Handle
- NET-204-157-144-0-1
- Parent
- NET-204-157-0-0-1
- Created
- Oct 26, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 21, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN