Data as of Nov 3, 2026
154.18.0.56/29
No anonymizer space · no proxy exits in 30 daysCogent Communications, 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 |
|---|---|---|---|---|---|---|
| 154.18.0.0/16 | 65,536 | COGENT-154-18-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | [email protected] |
| └ 154.18.0.56/29 | 8 | NET-154-18-0-56-1 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 154.18.0.0/15
- Prefix
- 154.18.0.0/15
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 870
- Always-on exits
- 166
- 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 154.18.0.0/15
154.18.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Oct 2008
- Current origin since
- Oct 2008 · 18 yr
- Origin networks
- 1
IRR
Route objects on 154.18.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent Communications | MAINT-AS174 | Mar 24, 2026 |
Whois
Registration for this announcement
154.18.0.0/15 spans several registrations: 27 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned