Data as of Nov 4, 2026
154.29.104.0/21
Anonymizer · ISP proxyCogent Communications, LLC
IPv4 market
Path
1 · Holder
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 154.29.104.0/21 | /24s |
|---|---|---|
| Aventice | 2,048100% | 8 |
Leased from
Owners leasing their own space
| Name | In 154.29.104.0/21 | /24s |
|---|---|---|
| Cogent Communications, LLC | 2,048100% | 8 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 154.29.104.0/22 since Dec 2023 | AS5650 | ISP proxy | IP broker Aventice | Cogent Communications, LLC via BraveWay LLC | |
| 154.29.108.0/22 since Dec 2023 | AS5650 | ISP proxy | IP broker Aventice | Cogent Communications, LLC via BraveWay 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 |
|---|---|---|---|---|---|---|
| 154.29.0.0/16 | 65,536 | COGENT-154-29-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.29.0.0/17 | 32,768 | AVENTICE-CGNT-NET-9 | Aventice LLC (AL-584) · US | Reallocated | Dec 8, 2021 | abuse@ |
| └ 154.29.104.0/21 | 2,048 | SPRINT | BraveWay LLC (BL-216) · US | Reallocated | Jan 19, 2023 | abuse@ |
| └ 154.29.104.0/21 | 2,048 | WIFIBER-IKE | Wifiber IKE (C09157925) · US | Reassigned | Jan 23, 2023 | abuse@ via SPRINT |
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
Announced by
Covering announcement 154.24.0.0/13
- Prefix
- 154.24.0.0/13
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Anonymizer addresses
- 8,192 addresses · 1.6%ISP proxy
- Operator
- Proxy providerssold by Oxylabs
- Leased from
- IP broker Aventice (part)
- Proxy exits
- 2,816
- Always-on exits
- 1,341
- RPKI
- No RPKI
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Not stated by the 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 154.24.0.0/13
154.24.0.0/13
Routing history
- Pattern
- Stable
- First seen
- Sep 2006
- Current origin since
- Sep 2006 · 20 yr
- Origin networks
- 1
Whois
Registration for this announcement
154.24.0.0/13 spans several registrations: 128 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned