Data as of Nov 10, 2026
52.85.28.0/24
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · reallocated from Amazon Technologies Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 52.84.0.0/14 since Nov 2024 | AS16509 | Hosting | Amazon Technologies Inc. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 52. | 786,432 | AT-88-Z | Amazon Technologies Inc. (AT-88-Z) · US | Direct Allocation | Dec 19, 1991 | trustandsafety@ |
| └ 52.84.0.0/15 | 131,072 | AMAZO-CF | Amazon.com, Inc. (AMAZON-4) · US | Reallocated | May 19, 2020 | trustandsafety@ |
Network & registry
Announced by
Covering announcement 52.85.28.0/22
- Prefix
- 52.85.28.0/22
- Announced by
- AS16509 Amazon.com, Inc.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- AMAZO-CF
- Registrant
- Amazon.com, Inc.
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Amazon Technologies Inc.
- Handle
- AT-88-Z
- Range
- 52.
84. 0. 0 - 52. 95. 255. 255 - Registration type
- Direct Allocation
- Record created
- Dec 19, 1991
- Legacy
- yes
- Reallocated to
- Amazon.com, Inc. (AMAZON-4)
- Reallocated range
- 52.
84. 0. 0/ 15 - Reallocated
- May 19, 2020
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
52.85.28.0/22
Routing history
- Pattern
- Stable
- First seen
- Sep 2016
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 52.85.0.0/17 | AS16509 | /24 | ARIN | RPKI valid |
| 52.85.0.0/16 | AS16509 | /16 | ARIN | Too specific |
| 52.84.0.0/15 | AS16509 | /15 | ARIN | Too specific |
| 52.84.0.0/14 | AS16509 | /14 | ARIN | Too specific |
IRR
Route objects on 52.85.28.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16509 | RADB | Amazon - CloudFront TD | MAINT-AS16509 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 52.
84. 0. 0/ 15 - Netname
- AMAZO-CF
- Registrant
- Amazon.com, Inc.
- Organization
- Amazon.com, Inc. (AMAZON-4)
- Org address
- 1918 8th Ave, SEATTLE, WA, 98101-1244
- Org country
- US
- Type
- Reallocated
- Handle
- NET-52-84-0-0-2
- Parent
- NET-52-84-0-0-1
- Created
- May 19, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 19, 1991
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon EC2 Abuse
- Phone
- +1-206-555-0000
- Handle
- AEA8-ARIN