LAYER3 INTEL
Get started
Sign in
Data as of Nov 8, 2026

16.221.128.0/19

Anonymizer · ISP proxy1 residential-proxy exit · 30 days

Cox Communications Inc. · space held by Hewlett Packard Enterprise Company

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 2026
its first announcement on record
registry: reallocated to Internet Utilities NA LLC by Hewlett Packard Enterprise Company, May 29, 2026

Residential-proxy exits

Proxy exits
1
0.01% of its addresses · 30 days
Always-on exits
1
100% of its exits
Spread
1 of 32
/24s with at least one exit
Providers
14
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

253 observations

Proxy providers listing exits

  • CatProxies
  • ColaProxy
  • DataImpulse
  • Datarama
  • Evomi
  • FuseProxy
  • IPRoyal
  • InfiniteProxies
  • NextProxy
  • Proxmint
  • Proxy4U
  • ProxyRack
  • Q2IP
  • Thordata
IPv4 market

Path

Announced by AS22773 since Sep 2026 · 8 wk ago
1 · Holder
Hewlett Packard Enterprise Company
record created May 18, 1989 · reallocated to Internet Utilities NA LLC May 29, 2026
2 · Leased from
Hewlett Packard Enterprise Company
its owner, directly
3 · Announced by
AS22773 Cox Communications Inc.
since Sep 2026 · 8 wk ago
4 · Use
Proxy providersnamed Ashburn Proxies
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 16.221.128.0/19/24s
Ashburn Proxies
8,192100%
32
Leased from

Owners leasing their own space

NameIn 16.221.128.0/19/24s
Hewlett Packard Enterprise Company
8,192100%
32

Lineage

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

16.221.128.0/19

From the registry to its use

  1. May 18, 1989
    Registry record
    Hewlett Packard Enterprise Company
    Direct Allocation (legacy, pre-1997)
    16.220.0.0 - 16.242.255.255
  2. May 29, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    16.220.0.0/14
  3. Sep 14, 2026
    Assigned
    Exo Broadband
    Reassigned
    16.221.128.0/19
  4. Sep 14, 2026
    Route object
    IPXO
    ARIN route object for AS6079 RCN, maintainer MNT-DCL-577
  5. Sep 14, 2026
    Route object
    IPXO
    ARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-DCL-577
  6. Sep 14, 2026
    Route object
    IPXO
    ARIN route object for AS11404 Wave Broadband, maintainer MNT-DCL-577
  7. Sep 14, 2026
    Route object
    IPXO
    ARIN route object for AS22773 Cox Communications Inc., maintainer MNT-DCL-577
  8. Sep 14, 2026
    Route object
    IPXO
    ARIN route object for AS54004 Cablevision Lightpath LLC, maintainer MNT-DCL-577
  9. Sep 16, 2026– today
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  10. Sep 29, 2026
    Route object
    IPXO
    RADB route object for AS6079 RCN, maintainer MAINT-AS834
  11. Sep 29, 2026
    Route object
    IPXO
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS834
  12. Sep 29, 2026
    Route object
    IPXO
    RADB route object for AS11404 Wave Broadband, maintainer MAINT-AS834
  13. Sep 29, 2026
    Route object
    IPXO
    RADB route object for AS22773 Cox Communications Inc., maintainer MAINT-AS834
  14. Sep 29, 2026
    Route object
    IPXO
    RADB route object for AS54004 Cablevision Lightpath LLC, maintainer MAINT-AS834
  15. today
    Leased from
    IPXO
    IP broker
  16. today
    Used
    Ashburn Proxies
    Proxy seller

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
16.220.0.0 - 16.242.255.2551,507,328HPE-15Hewlett Packard Enterprise Company (HPE-15) · USDirect AllocationMay 18, 1989IPv4.notices@hpe.com
└ 16.220.0.0/14262,144NET-16-220-IL-845IPXO LLC (IL-845) · USReallocatedMay 15, 2026abuse@ipxo.com
└ 16.220.0.0/14262,144NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedMay 29, 2026report@abuseradar.com
└ 16.221.128.0/198,192NET-16-221-128-0-19Exo Broadband (C11708402) · USReassignedSep 14, 2026report@abuseradar.com
via NET-16-220-IL-845

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Hewlett Packard Enterprise Company
Handle
HPE-15
Range
16.220.0.0 - 16.242.255.255
Registration type
Direct Allocation
Record created
May 18, 1989
Legacy
yes
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
16.220.0.0/14
Reallocated
May 29, 2026
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed