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Data as of Nov 3, 2026

71.19.136.0/24

Anonymizer · ISP proxy

Comcast Cable Communications, LLC · space held by Owned-Networks LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS33651
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 2026
from AS834 IPXO LLC
IPv4 market

Path

Announced by AS33651 since Sep 2026 · 9 wk ago
1 · Holder
Owned-Networks LLC
record created Dec 28, 2016 · reallocated to Internet Utilities NA LLC Mar 13, 2026
2 · Leased from
IPXO
for its owner Owned-Networks LLC
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 71.19.136.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 71.19.136.0/24/24s
Owned-Networks LLC
256100%
1

Lineage

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

71.19.136.0/24

From the registry to its use

  1. Dec 28, 2016
    Registry record
    Owned-Networks LLC
    Direct Allocation
    71.19.128.0/20
  2. Jun 30, 2018– Mar 19, 2026
    Announced
    AS40676 Psychz Networks
    Hosting
  3. Mar 8, 2026– Mar 31, 2026
    Announced
    AS834 IPXO LLC
    Hosting
  4. Mar 13, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    71.19.136.0/24
  5. Aug 25, 2026
    Route object
    IPXO
    RADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS834
  6. Aug 25, 2026
    Route object
    IPXO
    ARIN route object for AS33651 Comcast Cable Communications, LLC, maintainer MNT-DCL-577
  7. Aug 25, 2026
    Route object
    IPXO
    RADB route object for AS33667 Comcast Cable Communications, LLC, maintainer MAINT-AS834
  8. Aug 25, 2026
    Route object
    IPXO
    ARIN route object for AS33667 Comcast Cable Communications, LLC, maintainer MNT-DCL-577
  9. Aug 25, 2026
    Route object
    IPXO
    RADB route object for AS55201 SkyQuantum Internet Service, maintainer MAINT-AS834
  10. Aug 25, 2026
    Route object
    IPXO
    ARIN route object for AS55201 SkyQuantum Internet Service, maintainer MNT-DCL-577
  11. Sep 4, 2026– today
    Announced
    AS33651 Comcast Cable Communications, LLC
    Internet provider
  12. 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
71.19.128.0/204,096ON-4Owned-Networks LLC (OL-79) · USDirect AllocationDec 28, 2016[email protected]
└ 71.19.136.0/24256IPXO-71-19-136-0IPXO LLC (IL-845) · USReallocatedMar 13, 2026[email protected]
└ 71.19.136.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedMar 13, 2026[email protected]
└ 71.19.136.0/24256NET-71-19-136-0-24SkyQuantum Internet Service LLC (C11690210) · USReassignedAug 25, 2026[email protected]
via IPXO-71-19-136-0

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
Owned-Networks LLC
Handle
OL-79
Range
71.19.128.0/20
Registration type
Direct Allocation
Record created
Dec 28, 2016
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
71.19.136.0/24
Reallocated
Mar 13, 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