Data as of Nov 14, 2026
3.173.240.0/20
No anonymizer space · no proxy exits in 30 daysAmazon.com, Inc. · space held by Amazon Technologies Inc.
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 3.173.240.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.241.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.242.0/24 since Feb 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.243.0/24 since Jun 2025 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.244.0/24 since May 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.245.0/24 since May 2025 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.246.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.247.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.248.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.249.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.250.0/24 since May 2025 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.252.0/24 since May 2025 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.253.0/24 since May 2025 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.254.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, Inc. | |
| 3.173.255.0/24 since Sep 2026 | AS16509 | Hosting | Amazon Technologies Inc. via Amazon.com, 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 |
|---|---|---|---|---|---|---|
| 3.128.0.0/9 | 8,388,608 | AT-88-Z | Amazon Technologies Inc. (AT-88-Z) · US | Direct Allocation | Jun 25, 2018 | trustandsafety@ |
| └ 3.173.192.0/18 | 16,384 | AMAZON-CF | Amazon.com, Inc. (AMAZON-4) · US | Reallocated | Apr 2, 2025 | trustandsafety@ |
Network & registry
Announced by
Covering announcement 3.128.0.0/10
- Prefix
- 3.128.0.0/10
- 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 3.128.0.0/10
3.128.0.0/10
Routing history
- Pattern
- Stable
- First seen
- Dec 2024
- Current origin since
- Dec 2024 · 1.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 3.128.0.0/10 | AS16509 | /10 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 3.
128. 0. 0/ 9 - 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-3-128-0-0-1
- Parent
- NET-3-0-0-0-0
- Created
- Jun 25, 2018
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 25, 2018
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon EC2 Abuse
- Phone
- +1-206-555-0000
- Handle
- AEA8-ARIN