Data as of Nov 8, 2026
204.79.139.0/24
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · space held by Spencer Stuart
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 28, 2026
from AS27313 Spencer Stuart
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. | 768 | SPENCER-STUART1 | Spencer Stuart (SPENCE-Z) · US | Direct Allocation | Dec 14, 1994 | secops@ |
| └ 204.79.139.0/24 | 256 | SPENCER-STUART-APSE1 | Spencer Stuart (SPENCE) · US | Reallocated | Oct 2, 2026 | secops@ |
Network & registry
Registry
Holder
- Organization
- Spencer Stuart
- Handle
- SPENCE-Z
- Range
- 204.
79. 137. 0 - 204. 79. 139. 255 - Registration type
- Direct Allocation
- Record created
- Dec 14, 1994
- Legacy
- yes
Origin network
AS16509
US
- Name
- Amazon.com, Inc.
- Type
- Hosting
- Registered
- May 4, 2000
- Domain
- amazon.com
- Website
- www.amazon.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 294
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2010
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 2
- Last change of origin
- Sep 28, 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
Whois
Registration for this announcement
- Range
- 204.
79. 139. 0/ 24 - Netname
- SPENCER-STUART-APSE1
- Registrant
- Spencer Stuart
- Organization
- Spencer Stuart (SPENCE)
- Org address
- 353 N. Clark, Chicago, IL, 60654
- Org country
- US
- Type
- Reallocated
- Handle
- NET-204-79-139-0-1
- Parent
- NET-204-79-137-0-1
- Created
- Oct 2, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 14, 1994
- Status
- assigned
Report abuse
Abuse contact
- secops@
spencerstuart. com - Name
- Spencer Stuart
- Phone
- +1-312-822-0088
- Handle
- ZS51-ARIN