Data as of Nov 6, 2026
154.17.172.0/22
AnonymizerCogent Communications, LLC
IPv4 market
Path
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 154.17.172.0/22 | /24s |
|---|---|---|
| Aventice | 1,024100% | 4 |
Leased from
Owners leasing their own space
| Name | In 154.17.172.0/22 | /24s |
|---|---|---|
| Cogent Communications, LLC | 51250% | 2 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 154.17.172.0/24 since Aug 2026 | AS9009 | Datacenter proxy | Proxy providerssold by Oxylabs | IP broker Aventice | Cogent Communications, LLC via Aventice LLC | |
| 154.17.173.0/24 since Nov 2024 | AS9009 | Datacenter proxy | Proxy providerssold by Oxylabs | IP broker Aventice | Cogent Communications, LLC via Aventice LLC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 154.17.0.0/16 | 65,536 | COGENT-154-17-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.17.128.0/18 | 16,384 | AVENTICE-CGNT-NET-5 | Aventice LLC (AL-584) · US | Reallocated | Dec 8, 2021 | abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Datacenter proxyanonymizer | 512 | 50% | 2 | |
| ISP proxyanonymizer | 512 | 50% | 2 |
Network & registry
Announced by
Covering announcement 154.17.0.0/16
- Prefix
- 154.17.0.0/16
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Anonymizer addresses
- 2,560 addresses · 3.9%ISP proxy
- Leased from
- IP broker Aventice (part)
- Proxy exits
- 80
- Always-on exits
- 11
- RPKI
- No RPKI
- Netname
- COGENT-154-17-16
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
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 154.17.0.0/16
154.17.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2020 · 6.1 yr
- Origin networks
- 3
- Last change of origin
- Oct 2020
Recorded history
History
- Handoffs
- 4
IRR
Route objects on 154.17.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent Communications | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 154.
17. 0. 0/ 16 - Netname
- COGENT-154-17-16
- 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-154-17-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN