Data as of Nov 14, 2026
18.144.76.0/27
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · space held by 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 |
|---|---|---|---|---|---|---|
| 18. | 14,680,064 | AT-88-Z | Amazon Technologies Inc. (AT-88-Z) · US | Direct Allocation | Oct 7, 2019 | trustandsafety@ |
| └ 18.144.0.0/16 | 65,536 | AMAZON-SFO | Amazon.com, Inc. (AMAZO-48) · US | Reallocated | Sep 14, 2017 | trustandsafety@ |
| └ 18.144.76.0/27 | 32 | AWS-PAYCHEX | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 18.144.0.0/15
- Prefix
- 18.144.0.0/15
- Announced by
- AS16509 Amazon.com, Inc.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- AT-88-Z
- Registrant
- Amazon Technologies Inc.
- RIR
- ARIN
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
- 293
Routing timeline
Who has announced 18.144.0.0/15
18.144.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Sep 2017
- Current origin since
- Sep 2017 · 9.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 18.144.0.0/15 | AS16509 | /15 | ARIN | RPKI valid |
IRR
Route objects on 18.144.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16509 | RADB | Amazon EC2 SFO prefix | MAINT-AS16509 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 18.
32. 0. 0 - 18. 255. 255. 255 - Netname
- AT-88-Z
- Registrant
- Amazon Technologies Inc.
- Organization
- Amazon Technologies Inc. (AT-88-Z)
- Org address
- 410 Terry Ave N., Seattle, WA, 98109
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-18-32-0-0-1
- Parent
- NET-18-0-0-0-0
- Created
- Oct 7, 2019
- 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