Data as of Nov 5, 2026
54.251.128.0/20
2 residential-proxy exits · 30 daysAmazon.com, Inc. · reallocated from Amazon Technologies Inc.
Residential-proxy exits
Proxy exits
2
0.05% of its addresses · 30 days
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
165 observations
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 54.240.0.0/12 since Dec 2024 | AS16509 | Hosting | Amazon Technologies Inc. |
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 |
|---|---|---|---|---|---|---|
| 54.224.0.0/11 | 2,097,152 | AMAZON-2011L | Amazon Technologies Inc. (AT-88-Z) · US | Direct Allocation | Mar 1, 2012 | trustandsafety@ |
| └ 54.251.0.0/16 | 65,536 | AMAZO-ZSIN1 | Amazon.com, Inc. (AMAZO-4) · US | Reallocated | Dec 28, 2012 | trustandsafety@ |
| └ 54.251.140.64/26 | 64 | AWS-APSISASIALTD | unknown | — | — | — |
Network & registry
IPv4 market
Holder
- Organization
- Amazon Technologies Inc.
- Handle
- AT-88-Z
- Range
- 54.
224. 0. 0/ 11 - Registration type
- Direct Allocation
- Record created
- Mar 1, 2012
- Reallocated to
- Amazon.com, Inc. (AMAZO-4)
- Reallocated range
- 54.
251. 0. 0/ 16 - Reallocated
- Dec 28, 2012
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- May 2019 · 7.5 yr
- Origin networks
- 2
- Last change of origin
- Nov 2017
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 54.251.128.0/20 | AS16509 | /20 | ARIN | RPKI valid |
| 54.251.0.0/16 | AS16509 | /16 | ARIN | Too specific |
| 54.240.0.0/12 | AS16509 | /12 | ARIN | Too specific |
Whois
Registration for this announcement
- Range
- 54.
251. 0. 0/ 16 - Netname
- AMAZO-ZSIN1
- Registrant
- Amazon.com, Inc.
- Organization
- Amazon.com, Inc. (AMAZO-4)
- Org address
- Amazon Web Services, Inc., Seattle, WA, 98108-1226
- Org country
- US
- Type
- Reallocated
- Handle
- NET-54-251-0-0-1
- Parent
- NET-54-224-0-0-1
- Created
- Dec 28, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 1, 2012
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon EC2 Abuse
- Phone
- +1-206-555-0000
- Handle
- AEA8-ARIN