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Data as of Nov 3, 2026

16.5.8.0/23

Anonymizer · ISP proxy

Comcast Cable Communications, LLC · space held by Hewlett Packard Enterprise Company

Announcement
this exact prefix
RPKI valid
Announced by
AS33651
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 2026
its first announcement on record
IPv4 market

Path

Announced by AS33651 since Sep 2026 · 9 wk ago
1 · Holder
Hewlett Packard Enterprise Company
record created May 18, 1989 · reallocated to Internet Utilities NA LLC Apr 18, 2026
2 · Leased from
IPXO
for its owner Hewlett Packard Enterprise Company
3 · Announced by
AS33651 Comcast Cable Communications, LLC
since Sep 2026 · 9 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 16.5.8.0/23/24s
IPXO
512100%
2
Leased from

Owners leasing their own space

NameIn 16.5.8.0/23/24s
Hewlett Packard Enterprise Company
512100%
2

Lineage

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

16.5.8.0/23

From the registry to its use

  1. May 18, 1989
    Registry record
    Hewlett Packard Enterprise Company
    Direct Allocation (legacy, pre-1997)
    16.5.0.0/16
  2. Apr 18, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    16.5.0.0/16
  3. Aug 25, 2026
    Assigned
    SkyQuantum Internet Service LLC
    Reassigned
    16.5.8.0/23
  4. Aug 25, 2026
    Route object
    IPXO
    RADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS834
  5. Aug 25, 2026
    Route object
    IPXO
    ARIN route object for AS33651 Comcast Cable Communications, LLC, maintainer MNT-DCL-577
  6. Aug 25, 2026
    Route object
    IPXO
    RADB route object for AS33667 Comcast Cable Communications, LLC, maintainer MAINT-AS834
  7. Aug 25, 2026
    Route object
    IPXO
    ARIN route object for AS33667 Comcast Cable Communications, LLC, maintainer MNT-DCL-577
  8. Aug 25, 2026
    Route object
    IPXO
    RADB route object for AS55201 SkyQuantum Internet Service, maintainer MAINT-AS834
  9. Aug 25, 2026
    Route object
    IPXO
    ARIN route object for AS55201 SkyQuantum Internet Service, maintainer MNT-DCL-577
  10. Sep 4, 2026– today
    Announced
    AS33651 Comcast Cable Communications, LLC
    Internet provider
  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
16.5.0.0/1665,536HPE-15Hewlett Packard Enterprise Company (HPE-15) · USDirect AllocationMay 18, 1989[email protected]
└ 16.5.0.0/1665,536IPXO-LLCIPXO LLC (IL-845) · USReallocatedApr 3, 2026[email protected]
└ 16.5.0.0/1665,536NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedApr 18, 2026[email protected]
└ 16.5.8.0/23512NET-16-5-8-0-23SkyQuantum Internet Service LLC (C11690203) · USReassignedAug 25, 2026[email protected]
via HPE-15

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
16.5.0.0/16
Registration type
Direct Allocation
Record created
May 18, 1989
Legacy
yes
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated
Apr 18, 2026
Origin network

AS33651

US
Name
Comcast Cable Communications, LLC
Type
Internet provider
Registered
Feb 16, 2005
Domain
comcast.com
Website
corporate.comcast.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed