Data as of Nov 14, 2026
154.42.0.0/16
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 154.42.2.0/24 since Feb 2018 | AS51006 | Hosting | Cogent Communications, LLC | |
| 154.42.72.0/22 since Mar 2017 | AS202568 | Hosting | Cogent Communications, LLC | |
| 154.42.160.0/21 since Dec 2013 | AS199335 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 154.42.0.0/16 | 65,536 | COGENT-154-42-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.42.6.0/24 | 256 | EXABYTE-CGNT-NET-1 | unknown | — | — | — |
| └ 154.42.160.0/21 | 2,048 | TALK-STRAIGHT-LTD-CGNT-NET-3 | Talk Straight Ltd (C10990229) · GB | Reassigned | Oct 18, 2024 | abuse@ via COGENT-154-42-16 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 64,256 | 98% | 5 | |
| Hosting | 1,280 | 2.0% | 2 |
Network & registry
Announced by
Covering announcement 154.40.0.0/13
- Prefix
- 154.40.0.0/13
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 18,421
- Always-on exits
- 1,531
- 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
- 2,366
Routing timeline
Who has announced 154.40.0.0/13
154.40.0.0/13
Routing history
- Pattern
- Stable
- First seen
- Sep 2006
- Current origin since
- Sep 2006 · 20 yr
- Origin networks
- 1
IRR
Route objects on 154.40.0.0/13
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent Communications | MAINT-AS174 | Mar 13, 2025 |
Whois
Registration for this announcement
154.40.0.0/13 spans several registrations: 101 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned