Data as of Nov 14, 2026
154.56.152.0/21
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 154.56.152.0/23 since Jul 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 154.56.154.0/23 since Feb 2026 | AS212087 | Hosting | Cogent Communications, LLC | |
| 154.56.156.0/23 since Jul 2025 | AS212087 | Hosting | Cogent Communications, LLC | |
| 154.56.158.0/23 since Jul 2025 | AS212087 | Hosting | Cogent Communications, LLC |
Network & registry
Announced by
Covering announcement 154.48.0.0/12
- Prefix
- 154.48.0.0/12
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 12,691
- Always-on exits
- 2,379
- 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 154.48.0.0/12
154.48.0.0/12
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 154.48.0.0/12
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
154.48.0.0/12 spans several registrations: 250 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned