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Data as of Nov 9, 2026

212.168.172.0/22

Anonymizer · ISP proxy

Cablevision Lightpath LLC · space held by GTT Communications Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS54004
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Aug 2026
its first announcement on record
IPv4 market

Path

Announced by AS54004 since Aug 2026 · 3 mo ago
1 · Holder
GTT Communications Inc.
record created Mar 31, 2021 · reallocated to Exo Broadband Apr 29, 2026
2 · Leased from
GTT Communications Inc.
its owner, directly
3 · Announced by
AS54004 Cablevision Lightpath LLC
since Aug 2026 · 3 mo ago
4 · Use
Proxy providersnamed Ashburn Proxies
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 212.168.172.0/22/24s
Ashburn Proxies
1,024100%
4
Leased from

Owners leasing their own space

NameIn 212.168.172.0/22/24s
GTT Communications Inc.
1,024100%
4

Lineage

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

212.168.172.0/22

From the registry to its use

  1. May 9, 2005– Oct 13, 2023
    Announced
    AS5669 GTT Americas, LLC
    as part of 212.168.0.0/16
    212.168.0.0/16
  2. Mar 31, 2021
    Registry record
    GTT Communications Inc.
    ALLOCATED PA
    212.168.0.0/16
  3. Oct 2, 2023– Nov 8, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 212.168.0.0/16
    212.168.0.0/16
  4. Apr 29, 2026
    Reallocated
    Exo Broadband
    SUB-ALLOCATED PA
    212.168.172.0/22
  5. Apr 29, 2026
    Route object
    AS3257 GTT Communications Inc.
    RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
  6. Aug 7, 2026
    Route object
    IPXO
    RADB route object for AS6079 RCN, maintainer MAINT-AS834
  7. Aug 7, 2026
    Route object
    IPXO
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS834
  8. Aug 7, 2026
    Route object
    IPXO
    RADB route object for AS54004 Cablevision Lightpath LLC, maintainer MAINT-AS834
  9. Aug 11, 2026– Nov 8, 2026
    Announced
    AS54004 Cablevision Lightpath LLC
    Internet provider
  10. today
    Leased from
    IPXO
    IP broker
  11. today
    Used
    Ashburn Proxies
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsHolderRPKI
212.168.0.0/16
since Oct 2023
AS3257Internet provider11,26417%ISP proxyProxy providersoperated by OxylabsIP broker IPXO (part)3GTT Communications Inc.

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
212.168.0.0/1665,536US-GTTCOMMUNICATIONS-19981111GTT Communications Inc. (ORG-GCI2-RIPE) · USALLOCATED PAMar 31, 2021abuse@gtt.net
└ 212.168.172.0/221,024Exo-BroadbandExo Broadband (ORG-EB151-RIPE) · USSUB-ALLOCATED PAApr 29, 2026report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT Communications Inc.
Handle
ORG-GCI2-RIPE
Range
212.168.0.0/16
Registration type
ALLOCATED PA
Record created
Mar 31, 2021
Reallocated to
Exo Broadband (ORG-EB151-RIPE)
Reallocated range
212.168.172.0/22
Reallocation type
SUB-ALLOCATED PA
Reallocated
Apr 29, 2026
Origin network

AS54004

US
Name
Cablevision Lightpath LLC
Type
Internet provider
Registered
Aug 31, 2011
Domain
lightpathfiber.com
Website
lightpathfiber.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed