Data as of Nov 9, 2026
204.120.173.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.120.0.0/16 since May 2024 | AS174 | Internet provider | Cogent Communications, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 204. | 262,144 | COGC | Cogent Communications, LLC (COGC) · US | Direct Allocation | Aug 12, 1994 | abuse@ |
| └ 204.120.172.0/23 | 512 | SPRINTLINK | ThyssenKrupp Materials NA (TMN-3) · US | Reassigned | Oct 8, 2003 | syed. |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 204.
117. 0. 0 - 204. 120. 255. 255 - Registration type
- Direct Allocation
- Record created
- Aug 12, 1994
- Legacy
- yes
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
- Feb 2024
- Current origin since
- Feb 2024 · 2.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 204.
120. 172. 0/ 23 - Netname
- SPRINTLINK
- Registrant
- ThyssenKrupp Materials NA
- Organization
- ThyssenKrupp Materials NA (TMN-3)
- Org address
- 2475 Northwinds Parkway, Alpharetta, GA, 30341
- Org country
- US
- Type
- Reassigned
- Handle
- NET-204-120-172-0-1
- Parent
- NET-204-117-0-0-1
- Created
- Oct 8, 2003
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 12, 1994
- Status
- assigned
Report abuse
Abuse contact
- syed.
Firoz@ thyssenkrupp. com - Name
- Director of Information Security
- Phone
- +1-678-231-3007
- Handle
- DIS31-ARIN