Data as of Nov 8, 2026
18.245.140.0/22
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · reallocated from 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 |
|---|---|---|---|---|---|---|
| 18. | 14,680,064 | AT-88-Z | Amazon Technologies Inc. (AT-88-Z) · US | Direct Allocation | Oct 7, 2019 | trustandsafety@ |
| └ 18.244.0.0/15 | 131,072 | AMAZON-CF | Amazon.com, Inc. (AMAZON-4) · US | Reallocated | Jan 21, 2022 | trustandsafety@ |
Network & registry
IPv4 market
Holder
- Organization
- Amazon Technologies Inc.
- Handle
- AT-88-Z
- Range
- 18.
32. 0. 0 - 18. 255. 255. 255 - Registration type
- Direct Allocation
- Record created
- Oct 7, 2019
- Reallocated to
- Amazon.com, Inc. (AMAZON-4)
- Reallocated range
- 18.
244. 0. 0/ 15 - Reallocated
- Jan 21, 2022
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
- Stable
- First seen
- Dec 2023
- Current origin since
- Dec 2023 · 2.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 18.245.128.0/18 | AS16509 | /24 | ARIN | RPKI valid |
| 18.245.128.0/17 | AS16509 | /17 | ARIN | Too specific |
| 18.245.0.0/16 | AS16509 | /16 | ARIN | Too specific |
| 18.244.0.0/15 | AS16509 | /15 | ARIN | Too specific |
Whois
Registration for this announcement
- Range
- 18.
244. 0. 0/ 15 - Netname
- AMAZON-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-18-244-0-0-1
- Parent
- NET-18-32-0-0-1
- Created
- Jan 21, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 7, 2019
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon EC2 Abuse
- Phone
- +1-206-555-0000
- Handle
- AEA8-ARIN