Data as of Nov 9, 2026
204.15.191.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC · space held by SwitchWorks Technologies Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
0 / 100 · Low
Recent change
New origin Sep 28, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.15.184.0/21 since Sep 28, 2026 | AS14387 | Unknown | SwitchWorks Technologies Inc. |
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
- 1,623
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 28, 2026
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.15.191.0/24 | AS174 | /24 | ARIN | RPKI valid |
| 204.15.191.0/24 | AS398649 | /24 | ARIN | Another network |
| 204.15.184.0/21 | AS14387 | /21 | ARIN | Another network |
| 204.15.184.0/21 | AS30528 | /21 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 204.
15. 184. 0/ 21 - Netname
- WHIP
- Registrant
- SwitchWorks Technologies Inc.
- Organization
- SwitchWorks Technologies Inc. (SWITC-3)
- Org address
- 544 Mountain Brow Blvd., Hamilton, ON, L8T 1A9
- Org country
- CA
- Type
- Direct Allocation
- Handle
- NET-204-15-184-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Sep 19, 2005
- RIR
- ARIN
- Country
- CA
- Delegated
- Sep 19, 2005
- Status
- assigned
Report abuse
Abuse contact
- rick.
ross@ switchworks. com - Name
- Rick Ross
- Phone
- +1-416-531-8750;ext109
- Handle
- RRO83-ARIN