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Data as of Nov 3, 2026

72.244.92.0/23

Anonymizer · ISP proxy

Frontier Communications of America, Inc. · space held by GTT Americas, LLC

Announcement
72.244.92.0/22
RPKI valid
Announced by
AS5650
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Mar 22, 2005 · reallocated to Internet Utilities NA LLC Jul 30, 2025
2 · Leased from
GTT Americas, LLC
its owner, directly
3 · Announced by
AS5650 Frontier Communications of America, Inc.
since Sep 2025 · 13 mo ago
4 · Use
Proxy providersnamed Midwest Cable
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 72.244.92.0/23/24s
Midwest Cable
512100%
2
Leased from

Owners leasing their own space

NameIn 72.244.92.0/23/24s
GTT Americas, LLC
512100%
2

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
72.244.0.0/15
since Apr 2023
AS3257Internet providerIP broker IPXO (part)433
76 always on
GTT Americas, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.244.0.0/15131,072MEGAPATH-BLK-63GTT Americas, LLC (GAL-104) · USDirect AllocationMar 22, 2005[email protected]
└ 72.244.0.0/1665,536IPXO-GTTIPXO LLC (IL-845) · USReallocatedJul 18, 2025[email protected]
└ 72.244.0.0/1665,536NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJul 30, 2025[email protected]
└ 72.244.92.0/221,024COOK-TECHNICAL-INSTITUTECook Technical Institute (C11648260) · USReassignedJul 14, 2026[email protected]
via IPXO-GTT

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
Announced by

Covering announcement 72.244.92.0/22

Prefix
72.244.92.0/22
Announced by
AS5650 Frontier Communications of America, Inc.
Type
ISP proxy
Anonymizer addresses
all
Operator
Proxy providersoperated by Midwest Cable
Leased from
IP broker IPXO
RPKI
RPKI valid
Netname
COOK-TECHNICAL-INSTITUTE
Registrant
Cook Technical Institute
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
GTT Americas, LLC
Handle
GAL-104
Range
72.244.0.0/15
Registration type
Direct Allocation
Record created
Mar 22, 2005
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
72.244.0.0/16
Reallocated
Jul 30, 2025
Origin network

AS5650

US
Name
Frontier Communications of America, Inc.
Type
Internet provider
Registered
Jul 25, 1995
Domain
verizonbusiness.com
Website
www.frontier.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed