Data as of Nov 3, 2026
154.19.44.0/23
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.18.0.0/15 since Oct 2008 | AS174 | Internet provider | 870 166 always on |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 154.19.44.0/24 since Apr 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.19.45.0/24 since Apr 2026 | AS174 | Internet provider | 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
- 1,658
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2023
- Current origin since
- Apr 2026 · 6 mo
- Origin networks
- 3
- Last change of origin
- Apr 2026
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 154.19.0.0/16
- Netname
- COGENT-154-19-16
- 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-154-19-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN