Data as of Nov 7, 2026
205.242.185.0/24
No anonymizer space · no proxy exits in 30 daysCDM · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 205.242.184.0/21 since Feb 2024 | AS6428 | Hosting | Cogent Communications, LLC via Primary Network | ||
| 205.240.0.0/13 | AS174 | Internet provider | 35 3 always on | 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 |
|---|---|---|---|---|---|---|
| 205.240.0.0/13 | 524,288 | COGENT-205-240-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 24, 1995 | abuse@ |
| └ 205.242.176.0/20 | 4,096 | SPRINT-CDF2B0-1 | Primary Network (PRME) · US | Reallocated | May 25, 1999 | ipadmin@ |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 205.
240. 0. 0/ 13 - Registration type
- Direct Allocation
- Record created
- Apr 24, 1995
- Legacy
- yes
- Reallocated to
- Primary Network (PRME)
- Reallocated range
- 205.
242. 176. 0/ 20 - Reallocated
- May 25, 1999
Origin network
AS6428
US
- Name
- CDM
- Type
- Hosting
- Registered
- Apr 12, 1996
- Domain
- cdm.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
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
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6428 | RADB | Hostirian / Primary Network | MAINT-AS15164 | Dec 26, 2025 |
Whois
Registration for this announcement
- Range
- 205.
242. 176. 0/ 20 - Netname
- SPRINT-CDF2B0-1
- Registrant
- Primary Network
- Organization
- Primary Network (PRME)
- Org address
- 11756 Borman Dr, 220, St. Louis, MO, 63146
- Org country
- US
- Type
- Reallocated
- Handle
- NET-205-242-176-0-1
- Parent
- NET-205-240-0-0-1
- Created
- May 25, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 24, 1995
- Status
- assigned
Report abuse
Abuse contact
- ipadmin@
primary. net - Name
- Primary IP Admin
- Phone
- +1-314-695-3500
- Handle
- PIA3-ARIN