Data as of Nov 14, 2026
209.146.45.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Unknown
Risk
0 / 100 · Low
Recent change
New origin Nov 3, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.146.44.0/22 | AS174 | Unknown | Cogent Communications, LLC | ||
| 209.146.0.0/17 since May 2005 | AS174 | Internet provider | 53 2 always on | Cogent Communications, LLC |
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
- 2,366
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 3, 2026
- Current origin since
- Nov 3, 2026 · under a month
- Origin networks
- 1
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