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Data as of Nov 9, 2026

157.254.254.0/23

Anonymizer · ISP proxy

Cox Communications Inc. · space held by Vantiva USA Shared Services Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Vantiva USA Shared Services Inc.
record created Feb 8, 1992 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
IPXO
for its owner Vantiva USA Shared Services Inc.
3 · Announced by
AS22773 Cox Communications Inc.
since Sep 2025 · 14 mo ago
4 · Use
Proxy providersnamed IPRoyal
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 157.254.254.0/23/24s
IPRoyal
512100%
2
Leased from

IP brokers

NameIn 157.254.254.0/23/24s
IPXO
512100%
2
Leased from

Owners leasing their own space

NameIn 157.254.254.0/23/24s
Vantiva USA Shared Services Inc.
512100%
2

Lineage

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

157.254.254.0/23

From the registry to its use

  1. Feb 8, 1992
    Registry record
    Vantiva USA Shared Services Inc.
    Direct Allocation (legacy, pre-1997)
    157.254.0.0/16
  2. Feb 4, 2023– Apr 4, 2023
    Announced
    AS834 IPXO LLC
    Hosting
  3. Apr 29, 2023– May 4, 2024
    Announced
    AS272786 X99 Internet
    Hosting
  4. Apr 23, 2024– May 16, 2024
    Announced
    AS834 IPXO LLC
    Hosting
  5. May 5, 2024– Oct 2, 2025
    Announced
    AS7018 AT&T Enterprises, LLC
    Internet provider
  6. Jan 7, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    157.254.240.0/20
  7. Jan 7, 2025
    Route object
    IPXO
    ARIN route object for AS7018 AT&T Enterprises, LLC, maintainer MNT-DCL-577
  8. Aug 13, 2025
    Route object
    IPXO
    RADB route object for AS401838 Uni Broadband LLC, maintainer MAINT-AS834
  9. Aug 13, 2025
    Route object
    IPXO
    ARIN route object for AS401838 Uni Broadband LLC, maintainer MNT-DCL-577
  10. Sep 12, 2025
    Route object
    IPXO
    RADB route object for AS22773 Cox Communications Inc., maintainer MAINT-AS834
  11. Sep 12, 2025
    Route object
    IPXO
    ARIN route object for AS22773 Cox Communications Inc., maintainer MNT-DCL-577
  12. Sep 21, 2025– today
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  13. today
    Route object
    IPXO
    RADB route object for AS7018 AT&T Enterprises, LLC, maintainer MAINT-AS834
  14. today
    Leased from
    IPXO
    IP broker
  15. today
    Used
    IPRoyal
    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
157.254.0.0/1665,536VANTIVAVantiva USA Shared Services Inc. (TU-310-Z) · USDirect AllocationFeb 8, 1992Abuse@vantiva.com
└ 157.254.240.0/204,096IPXO-157-254-240-0-20IPXO LLC (IL-845) · USReallocatedOct 22, 2021abuse@ipxo.com
└ 157.254.240.0/204,096NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 157.254.254.0/24256MIFFLIN-COUNTY-WIRELESS-LLCMifflin County Wireless LLC (C11658771) · USReassignedJul 24, 2026report@abuseradar.com
via IPXO-157-254-240-0-20
└ 157.254.255.0/24256MIFFLIN-COUNTY-WIRELESS-LLCMifflin County Wireless LLC (C11658772) · USReassignedJul 24, 2026report@abuseradar.com
via IPXO-157-254-240-0-20

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
Vantiva USA Shared Services Inc.
Handle
TU-310-Z
Range
157.254.0.0/16
Registration type
Direct Allocation
Record created
Feb 8, 1992
Legacy
yes
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
157.254.240.0/20
Reallocated
Jan 7, 2025
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