Data as of Nov 4, 2026
204.4.0.0/14
No anonymizer spaceCogent Communications, LLC
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · listed by providers
Spread
2 of 1,024
/24s with at least one exit
Providers
7
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 204.4.74.0/24 | 0 | 1 | |
| 204.6.165.0/24 | 0 | 1 |
Proxy providers listing exits
- EnigmaProxy
- NovaProxy
- Oxylabs
- Proxiware
- ProxyEmpire
- ProxyRack
- VantageProxies
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.4.64.0/24 since Mar 2019 | AS54407 | Business | Cogent Communications, LLC | ||
| 204.4.65.0/24 since Jun 2026 | AS54407 | Business | Cogent Communications, LLC | ||
| 204.4.66.0/24 since Oct 2024 | AS54407 | Business | Cogent Communications, LLC | ||
| 204.4.67.0/24 since Sep 2025 | AS54407 | Business | Cogent Communications, LLC | ||
| 204.4.69.0/24 since May 2012 | AS54407 | Business | Cogent Communications, LLC | ||
| 204.4.74.0/24 since Nov 2012 | AS54407 | Business | 1 | Cogent Communications, LLC | |
| 204.4.75.0/24 since Nov 2012 | AS54407 | Business | Cogent Communications, LLC | ||
| 204.4.76.0/24 since Aug 2018 | AS54407 | Business | Cogent Communications, LLC | ||
| 204.4.130.0/24 since May 2005 | AS9084 | Business | Cogent Communications, LLC | ||
| 204.4.131.0/24 since May 2005 | AS9084 | Business | Cogent Communications, LLC | ||
| 204.4.142.0/24 since Jul 2005 | AS9084 | Business | Cogent Communications, LLC | ||
| 204.4.143.0/24 since Jul 2005 | AS9084 | Business | Cogent Communications, LLC | ||
| 204.4.170.0/24 since Feb 2018 | AS9084 | Business | Cogent Communications, LLC | ||
| 204.4.175.0/24 since Feb 2018 | AS9084 | Business | Cogent Communications, LLC | ||
| 204.4.178.0/24 since Sep 2016 | AS33598 | Business | Cogent Communications, LLC | ||
| 204.4.182.0/24 since Sep 2016 | AS33598 | Business | Cogent Communications, LLC | ||
| 204.4.185.0/24 since Sep 2016 | AS33598 | Business | Cogent Communications, LLC | ||
| 204.4.187.0/24 since May 2005 | AS6195 | Business | Cogent Communications, LLC | ||
| 204.4.235.0/24 since May 2026 | AS13335 | Hosting | Cogent Communications, LLC | ||
| 204.4.244.0/24 since May 2008 | AS31877 | Unknown | Cogent Communications, LLC | ||
| 204.6.91.0/24 since May 2005 | AS13372 | Business | Cogent Communications, LLC | ||
| 204.6.160.0/24 since Jun 2013 | AS49657 | Business | Cogent Communications, LLC via Transaction Network Services, Inc. | ||
| 204.6.162.0/24 since Sep 2013 | AS49657 | Business | Cogent Communications, LLC via Transaction Network Services, Inc. | ||
| 204.6.164.0/23 since Sep 2022 | AS272591 | Unknown | 1 | Cogent Communications, LLC via Transaction Network Services, Inc. | |
| 204.6.166.0/24 since Aug 2025 | AS13750 | Internet provider | Cogent Communications, LLC via Transaction Network Services, Inc. | ||
| 204.6.168.0/21 since Jun 2013 | AS13750 | Internet provider | Cogent Communications, LLC via Transaction Network Services, Inc. | ||
| 204.6.174.0/24 since Sep 2015 | AS13750 | Internet provider | Cogent Communications, LLC via Transaction Network Services, Inc. | ||
| 204.6.192.0/18 since Sep 2019 | AS4991 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 204.4.0.0/14 | 262,144 | COGENT-204-4-14 | Cogent Communications, LLC (COGC) · US | Direct Allocation | May 5, 1994 | [email protected] |
| └ 204.4.13.0/24 | 256 | ADVENTIST-CGNT-NET-3 | unknown | — | — | — |
| └ 204.4.23.0/24 | 256 | PSINET-C4C | unknown | — | — | — |
| └ 204.4.64.0 - 204.4.77.255 | 3,584 | AFKPK-C | Arent,Fox,Kinter,Plotkin, & Kahn (C00005456) · US | Reassigned | Apr 14, 1995 | [email protected] via COGENT-204-4-14 |
| └ 204.4.101.0/24 | 256 | ADVENTIST-CGNT-NET-1 | unknown | — | — | — |
| └ 204.4.102.0/24 | 256 | ADVENTIST-CGNT-NET-2 | unknown | — | — | — |
| └ 204.4.128.0/18 | 16,384 | GSCO-NETBLK-3 | The Goldman Sachs Group, Inc. (GOLDM) · US | Reassigned | Apr 14, 1995 | — |
| └ 204.4.232.0 - 204.4.248.255 | 4,352 | PSINET-C4-L | MEAG Systems Operations (C00005152) · US | Reassigned | Dec 31, 1994 | [email protected] via COGENT-204-4-14 |
| └ 204.6.160.0/20 | 4,096 | TRANSACTION-NETWORK-SERVICES-CGNT-NET-1 | Transaction Network Services, Inc. (TNS-8) · US | Reallocated | Aug 22, 2024 | — |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
262,144 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 255,744 | 98% | 25 | |
| Business | 5,376 | 2.1% | 21 | |
| Unknown | 768 | 0.29% | 2 | |
| Hosting | 256 | 0.10% | 1 |
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
- 1,658
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 204.4.13.0/24 | AS18964 | RADB | RR-RC-AdventHealth-Florida | MAINT-RR | Jun 26, 2026 |
| 204.4.32.0/19 | AS9398 | RADB | SpaceCom Systems SPACECOM-C2 (140633) | MAINT-AS2764 | Nov 13, 2023 |
| 204.4.50.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.51.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.52.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.53.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.101.0/24 | AS18964 | RADB | RR-RC-AdventHealth-Florida | MAINT-RR | Jun 26, 2026 |
| 204.4.102.0/24 | AS18964 | RADB | RR-RC-AdventHealth-Florida | MAINT-RR | Jun 26, 2026 |
| 204.4.128.0/18 | AS6195 | RADB | Goldman, Sachs & Co. | GS-MAINT | Nov 13, 2023 |
| 204.4.130.0/23 | AS9084 | RADB | Akamai Technologies, Inc | MAINT-AS32787 | Nov 13, 2023 |
| 204.4.142.0/23 | AS9084 | RADB | Akamai Technologies, Inc | MAINT-AS32787 | Nov 13, 2023 |
| 204.4.152.0/24 | AS9084 | RADB | Akamai Technologies, Inc | MAINT-AS32787 | Nov 13, 2023 |
| 204.4.179.0/24 | AS6195 | RADB | Goldman Sachs & Co. iDMZ | GS-MAINT | Nov 13, 2023 |
| 204.4.200.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.201.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.202.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.203.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.204.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.205.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.4.210.0/23 | AS8011 | RADB | AS8011 proxy-registered route by Cogent | MAINT-AS174 | Nov 13, 2023 |
| 204.4.226.0/24 | AS24130 | RADB | Proxy route object registered by AS2764 | MAINT-AS2764 | Nov 13, 2023 |
| 204.4.232.0/24 | AS15087 | RADB | PNAP-ACS meag route | MAINT-AS1828 | Nov 13, 2023 |
| 204.4.232.0/24 | AS31877 | RADB | GPW | MAINT-AS31877 | Feb 28, 2025 |
| 204.4.234.0/24 | AS31877 | RADB | PNAP-ACS GAPUBLICWEB | MAINT-AS1828 | Nov 13, 2023 |
| 204.5.60.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.61.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.62.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.63.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.200.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.201.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.202.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.203.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.204.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.5.205.0/24 | AS50286 | ALTDB | Route | MAINT-AS48828 | Nov 1, 2024 |
| 204.6.160.0/20 | AS13750 | RADB | Transaction Network Services, Inc. | MAINT-13750 | Nov 13, 2023 |
| 204.6.161.0/24 | AS13750 | RADB | TNSI - Olympia Office | MAINT-13750 | Nov 13, 2023 |
| 204.6.163.0/24 | AS399738 | RADB | TNSI - GAT POP Range | MAINT-13750 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.4.0.0/14
- Netname
- COGENT-204-4-14
- 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-204-4-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- May 5, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- May 5, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN