Data as of Nov 11, 2026
154.18.152.0/23
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 154.18.153.0/24 since Jan 2026 | AS174 | Business | Cogent 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 | abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 256 | 50% | 1 | |
| Internet provider | 256 | 50% | 1 |
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
- 883
- Always-on exits
- 160
- 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
- 2,094
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