Data as of Nov 6, 2026
209.146.44.0/22
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.146.0.0/17 since May 2005 | AS174 | Internet provider | 64 14 always on | Cogent Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.146.44.0/24 since Oct 2025 | AS4800 | Unknown | Cogent Communications, LLC | |
| 209.146.45.0/24 since Nov 6, 2026 | AS174 | Internet provider | ||
| 209.146.46.0/24 since Nov 6, 2026 | AS174 | Internet provider | ||
| 209.146.47.0/24 since Nov 6, 2026 | AS174 | Internet provider |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 768 | 75% | 3 | |
| Unknown | 256 | 25% | 1 |
Network & 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2019
- Origin networks
- 1
Recorded history
History
- Also announced by
- 4800
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4800 not the origin | RADB | Route Registered for Cogent Communications Customer PT Aplikanusa Lintasarta | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
146. 0. 0/ 17 - Netname
- COGENT-IDCI-0001
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-146-0-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Oct 3, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 3, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN