Data as of Nov 9, 2026
204.15.207.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC · space held by Blue Stream
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 |
|---|---|---|---|---|---|---|
| 204.15.204.0/22 | 1,024 | BSCL-11 | Blue Stream (BSCL-11) · US | Direct Allocation | Feb 1, 2019 | ip-abuse@ |
| └ 204.15.207.0/24 | 256 | GRAYCOM | Graycom, L.C. (GRAYC-4) · US | Reassigned | Dec 5, 2008 | ipadmin@ |
Network & registry
Registry
Holder
- Organization
- Blue Stream
- Handle
- BSCL-11
- Range
- 204.
15. 204. 0/ 22 - Registration type
- Direct Allocation
- Record created
- Feb 1, 2019
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2006
- Current origin since
- Jan 2020 · 6.9 yr
- Origin networks
- 3
- Last change of origin
- Jan 2020
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16996 not the origin | ARIN | GRAYCOM | MNT-GRAYC-4 | Jan 11, 2006 |
Whois
Registration for this announcement
- Range
- 204.
15. 207. 0/ 24 - Netname
- GRAYCOM
- Registrant
- Graycom, L.C.
- Organization
- Graycom, L.C. (GRAYC-4)
- Org address
- 1100 NW 163rd Dr., Miami, FL, 33169
- Org country
- US
- Type
- Reassigned
- Handle
- NET-204-15-207-0-1
- Parent
- NET-204-15-204-0-1
- Created
- Dec 5, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 1, 2019
- Status
- assigned
Report abuse
Abuse contact
- ipadmin@
graycom. net - Name
- IPAdmin
- Phone
- +1-305-614-0045
- Handle
- IPADM260-ARIN