Data as of Nov 9, 2026
144.229.224.0/19
Anonymizer · ISP proxyCogent Communications, LLC
IPv4 market
Path
1 · Holder
2 · Leased from
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 144.229.224.0/19 | /24s |
|---|---|---|
| Rackdog | 8,192100% | 32 |
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 |
|---|---|---|---|---|---|---|
| 144.229.0.0/16 | 65,536 | COGENT-144-229-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 11, 1991 | abuse@ |
| └ 144.229.0.0/16 | 65,536 | RACKDOG-CGNT-NET-6 | RCN (C11605103) · US | Reassigned | May 27, 2026 | abuse@ via COGENT-144-229-0 |
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 144.228.0.0/15
- Prefix
- 144.228.0.0/15
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Anonymizer addresses
- 20,480 addresses · 16%ISP proxy
- Proxy exits
- 14
- Always-on exits
- 6
- 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
- 1,623
Routing timeline
Who has announced 144.228.0.0/15
144.228.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
144.228.0.0/15 spans several registrations: 3 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 11, 1991
- Status
- assigned