Data as of Nov 15, 2026

16.221.16.0/20

Anonymizer · ISP proxy

Wave Broadband · space held by Hewlett Packard Enterprise Company

Announcement
this exact prefix
RPKI valid
Announced by
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
IPv4 market

Path

Announced by AS11404 since Sep 2026 · 10 wk ago
1 · Holder
record created May 18, 1989 · reallocated to Internet Utilities NA LLC May 29, 2026
2 · Leased from
its owner, directly
3 · Announced by
AS11404 Wave Broadband
since Sep 2026 · 10 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 16.221.16.0/20/24s
Hewlett Packard Enterprise Company
4,096100%
16

Lineage

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

16.221.16.0/20

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 4, 2026– today
    Announced
    AS11404 Wave Broadband
    Internet provider
  4. Sep 8, 2026
    Assigned
    Exo Broadband
    Reassigned
    16.221.16.0/20
  5. Sep 8, 2026
    Route object
    IPXO
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS834
  6. Sep 8, 2026
    Route object
    IPXO
    ARIN route object for AS7029 Windstream Communications LLC, maintainer MNT-DCL-577
  7. Sep 8, 2026
    Route object
    IPXO
    RADB route object for AS11404 Wave Broadband, maintainer MAINT-AS834
  8. Sep 8, 2026
    Route object
    IPXO
    ARIN route object for AS11404 Wave Broadband, maintainer MNT-DCL-577
  9. Sep 8, 2026
    Route object
    IPXO
    RADB route object for AS54004 Cablevision Lightpath LLC, maintainer MAINT-AS834
  10. Sep 8, 2026
    Route object
    IPXO
    ARIN route object for AS54004 Cablevision Lightpath LLC, maintainer MNT-DCL-577
  11. today
    Leased from
    IPXO
    IP broker

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
└ 16.221.16.0/204,096NET-16-221-16-0-20Exo Broadband (C11703271) · USReassignedSep 8, 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

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Sep 2026
Current origin since
Sep 2026 · 2 mo
Origin networks
1