Data as of Nov 4, 2026
204.6.192.0/18
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.4.0.0/14 since May 2005 | AS174 | Internet provider | 2 | Cogent Communications, LLC |
Network & registry
Origin network
AS4991
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 31, 1995
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2014
- Current origin since
- Sep 2019 · 7.1 yr
- Origin networks
- 2
- Last change of origin
- Sep 2019
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS54054 not the origin | ARIN | Route Registered for Cogent Communications Customer | MNT-COGC | Feb 10, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 204.6.192.0/19 | AS5704 | RADB | PNAP-MIA CARIBE | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.4.0.0/14
- Netname
- COGENT-204-4-14
- 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-204-4-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- May 5, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- May 5, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN