Data as of Nov 11, 2026

173.83.210.0/24

1 anonymizer address · 0.39% · VPN5 residential-proxy exits · 30 days

Amazon.com, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
>99% of it

Residential-proxy exits

Proxy exits
5
2.0% of its addresses · 30 days
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

58 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
3 · Announced by
AS16509 Amazon.com, Inc.
since Jul 2023 · 3.3 yr ago
4 · Use
VPN servicesnamed VPN Gate
Hosting

Operators, sellers and brokers

VPN services

NameParentIn 173.83.210.0/24/24s
VPN GateUniversity of Tsukuba
10.39%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

173.83.210.0/24

From the registry to its use

  1. Dec 22, 2009– Sep 9, 2018
    Announced
    AS32392 Newfold Digital, Inc.
    as part of 173.83.0.0/16
    173.83.0.0/16
  2. Nov 21, 2018– Apr 9, 2022
    Announced
    AS46606 Unified Layer
    as part of 173.83.0.0/16
    173.83.0.0/16
  3. May 10, 2022
    Registry record
    Amazon.com, Inc.
    Direct Allocation
    173.83.0.0/16
  4. Sep 30, 2022
    Reallocated
    Amazon.com Services, LLC
    Reallocated
    173.83.0.0/16
  5. Mar 24, 2023– Apr 28, 2023
    Announced
    AS62785 Amazon.com Services, LLC
    as part of 173.83.0.0/16
    173.83.0.0/16
  6. Jul 22, 2023– today
    Announced
    AS16509 Amazon.com, Inc.
    Hosting
  7. Jul 26, 2023
    Route object
    AS16509 Amazon.com, Inc.
    RADB route object for AS16509 Amazon.com, Inc., maintainer MAINT-AS16509
  8. Dec 7, 2024– today
    Announced
    AS16509 Amazon.com, Inc.
    as part of 173.83.0.0/16
    173.83.0.0/16
  9. today
    Used
    VPN Gate
    VPN

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
173.83.0.0/16
since Dec 2024
AS16509HostingAmazon.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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
173.83.0.0/1665,536AMAZO-4Amazon.com, Inc. (AMAZO-4) · USDirect AllocationMay 10, 2022trustandsafety@support.aws.com
└ 173.83.0.0/1665,536AMAZON-FCAmazon.com Services, LLC (ASL-830) · USReallocatedSep 30, 2022trustandsafety@support.aws.com

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Hosting255>99%2
VPNanonymizer10.39%1

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jul 2023
Current origin since
Jul 2023 · 3.3 yr
Origin networks
1