Data as of Nov 10, 2026
173.83.0.0/16
1 anonymizer address · <0.01% · VPN656 residential-proxy exits · 30 daysAmazon.com, Inc.
Residential-proxy exits
Proxy exits
656
1.0% of its addresses · 30 days
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
13K observations
IPv4 market
Path
1 · Holder
record created May 10, 2022 · reallocated to Amazon.com Services, LLC Sep 30, 2022
2 · Leased from
not leased
Operators, sellers and brokers
VPN services
| Name | Parent | In 173.83.0.0/16 | /24s |
|---|---|---|---|
| VPN Gate | University of Tsukuba | 1<0.01% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
173.83.0.0/16
From the registry to its use
- Dec 22, 2009– Sep 9, 2018AnnouncedAS32392 Newfold Digital, Inc.
- Nov 21, 2018– Apr 9, 2022
- May 10, 2022Registry recordAmazon.com, Inc.Direct Allocation173.83.0.0/16
- Sep 30, 2022ReallocatedAmazon.com Services, LLCReallocated173.83.0.0/16
- Mar 24, 2023– Apr 28, 2023
- Dec 7, 2024– today
- todayUsedVPN GateVPN
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 | Anonymizer addresses | Operator | Holder | RPKI |
|---|---|---|---|---|---|---|
| 173.83.0.0/17 since Apr 2023 | AS62785 | Business | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.192.0/22 since Jun 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.196.0/23 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.198.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.199.0/24 since Apr 2026 | AS14618 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.200.0/22 since Jun 2023 | AS14618 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.204.0/23 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.206.0/23 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.208.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.209.0/24 since Jun 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.210.0/24 since Jul 2023 | AS16509 | Hosting | 10.39%VPN | VPN servicesoperated by VPN Gate | Amazon.com, Inc. via Amazon.com Services, LLC | |
| 173.83.211.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.212.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.213.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.214.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.215.0/24 since Apr 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.216.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.217.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.218.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.219.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.220.0/24 since Jul 2023 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.221.0/24 since Apr 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.222.0/24 since Apr 2026 | AS14618 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.223.0/24 since Jul 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.224.0/22 since Jan 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.228.0/22 since Jan 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.232.0/24 since Jul 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.233.0/24 since Jul 2026 | AS14618 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.234.0/23 since Jul 2026 | AS14618 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.236.0/24 since Sep 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.237.0/24 since Oct 10, 2026 | AS14618 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.238.0/24 since Oct 10, 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.239.0/24 since Nov 4, 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC | |||
| 173.83.240.0/24 since Nov 4, 2026 | AS16509 | Hosting | Amazon.com, Inc. via Amazon.com Services, LLC |
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 |
|---|---|---|---|---|---|---|
| 173.83.0.0/16 | 65,536 | AMAZO-4 | Amazon.com, Inc. (AMAZO-4) · US | Direct Allocation | May 10, 2022 | trustandsafety@ |
| └ 173.83.0.0/16 | 65,536 | AMAZON-FC | Amazon.com Services, LLC (ASL-830) · US | Reallocated | Sep 30, 2022 | trustandsafety@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 32,768 | 50% | 1 | |
| Hosting | 32,767 | 50% | 36 | |
| VPNanonymizer | 1 | <0.01% | 1 |
Network & registry
IPv4 market
Holder
- Organization
- Amazon.com, Inc.
- Handle
- AMAZO-4
- Range
- 173.
83. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- May 10, 2022
- Reallocated to
- Amazon.com Services, LLC (ASL-830)
- Reallocated
- Sep 30, 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
- 286
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Dec 2009
- Current origin since
- Dec 2024 · 1.9 yr
- Origin networks
- 4
- Last change of origin
- Dec 2024
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.83.0.0/16 | AS16509 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 173.
83. 0. 0/ 16 - Netname
- AMAZON-FC
- Registrant
- Amazon.com Services, LLC
- Organization
- Amazon.com Services, LLC (ASL-830)
- Org address
- 410 Terry Avenue N, Seattle, WA, 98109-5210
- Org country
- US
- Type
- Reallocated
- Handle
- NET-173-83-0-0-2
- Parent
- NET-173-83-0-0-1
- Created
- Sep 30, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- May 10, 2022
- Status
- assigned
Report abuse
Abuse contact
- trustandsafety@
support. aws. com - Name
- Amazon EC2 Abuse
- Phone
- +1-206-555-0000
- Handle
- AEA8-ARIN