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Data as of Nov 13, 2026

64.84.96.0/21

Anonymizer · ISP proxy

Comcast Cable Communications, LLC · space held by CTI Networks Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS33651
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
CTI Networks Inc.
record created Dec 20, 2002 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
IPXO
for its owner CTI Networks Inc.
3 · Announced by
AS33651 Comcast Cable Communications, LLC
since Nov 2023 · 3.0 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 64.84.96.0/21/24s
IPXO
2,048100%
8
Leased from

Owners leasing their own space

NameIn 64.84.96.0/21/24s
CTI Networks Inc.
2,048100%
8

Lineage

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

64.84.96.0/21

From the registry to its use

  1. Dec 20, 2002
    Registry record
    CTI Networks Inc.
    Direct Allocation
    64.84.96.0/19
  2. Feb 1, 2013– Jan 7, 2019
    Announced
    AS11590 Cumberland Technologies International
    Internet provider
  3. Apr 29, 2023– Jun 3, 2023
    Announced
    AS834 IPXO LLC
    Hosting
  4. Aug 3, 2023– Oct 1, 2023
    Announced
    AS834 IPXO LLC
    Hosting
  5. Sep 27, 2023
    Route object
    IPXO
    RADB route object for AS7922 Comcast Cable Communications, LLC, maintainer MAINT-AS834
  6. Nov 19, 2023– today
    Announced
    AS33651 Comcast Cable Communications, LLC
    Internet provider
  7. Jan 7, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    64.84.96.0/19
  8. Jan 7, 2025
    Assigned
    Internet Utilities NA LLC
    Reassigned
    64.84.96.0/21
  9. Jan 7, 2025
    Route object
    IPXO
    ARIN route object for AS7922 Comcast Cable Communications, LLC, maintainer MNT-DCL-577
  10. Jan 7, 2025
    Route object
    IPXO
    ARIN route object for AS33651 Comcast Cable Communications, LLC, maintainer MNT-DCL-577
  11. Jan 7, 2025
    Route object
    IPXO
    ARIN route object for AS834 IPXO LLC, maintainer MNT-DCL-577
    64.84.96.0/22
  12. Jan 7, 2025
    Route object
    IPXO
    ARIN route object for AS834 IPXO LLC, maintainer MNT-DCL-577
    64.84.100.0/22
  13. today
    Route object
    IPXO
    RADB route object for AS33651 Comcast Cable Communications, LLC, maintainer MAINT-AS834
  14. 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
64.84.96.0/198,192CTI-NET-3CTI Networks Inc. (CN-561) · USDirect AllocationDec 20, 2002rbl@ctiresidential.com
└ 64.84.96.0/198,192NET-64-84-96-0IPXO LLC (IL-845) · USReallocatedAug 28, 2022abuse@ipxo.com
└ 64.84.96.0/198,192NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 64.84.96.0/212,048NET-64-84-96-0-21unknownReassignedJan 7, 2025report@abuseradar.com
via CTI-NET-3

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
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Feb 2013
Current origin since
Nov 2023 · 3.0 yr
Origin networks
3
Last change of origin
Nov 2023
Recorded history

History

Handoffs
2