Data as of Nov 10, 2026
16.4.0.0/17
2 residential-proxy exits · 30 daysAmazon.com, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Aug 2026
its first announcement on record
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
3 observations
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 16.4.0.0/16 since Dec 2024 | AS16509 | Hosting | Amazon.com, Inc. |
Network & registry
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
- 286
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 16.4.0.0/17 | AS16509 | /17 | ARIN | RPKI valid |
| 16.4.0.0/16 | AS16509 | /16 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16509 | RADB | Amazon EC2 Prefix | MAINT-AS16509 | Aug 12, 2026 |
Whois
Registration for this announcement
- Range
- 16.
3. 0. 0 - 16. 4. 255. 255 - Netname
- AMAZO-4
- Registrant
- Amazon.com, Inc.
- Organization
- Amazon.com, Inc. (AMAZO-4)
- Org address
- Amazon Web Services, Inc., Seattle, WA, 98108-1226
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-16-3-0-0-1
- Parent
- NET-16-0-0-0-0
- Created
- Oct 17, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 17, 2023
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon EC2 Abuse
- Phone
- +1-206-555-0000
- Handle
- AEA8-ARIN