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Data as of Nov 6, 2026

72.244.248.0/24

Anonymizer · ISP proxy

NTT America, Inc. · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS2914
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Aug 2026
from AS40605 Anyconnect Information Technology Co., Ltd
IPv4 market

Path

Announced by AS2914 since Aug 2026 · 11 wk ago
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
AS2914 NTT America, Inc.
since Aug 2026 · 11 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 72.244.248.0/24/24s
GTT Americas, LLC
256100%
1

Lineage

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

72.244.248.0/24

From the registry to its use

  1. Mar 22, 2005
    Registry record
    GTT Americas, LLC
    Direct Allocation
    72.244.0.0/15
  2. Sep 22, 2005– May 15, 2022
    Announced
    AS18566 GTT Americas, LLC
    as part of 72.244.0.0/15
    72.244.0.0/15
  3. Apr 29, 2023– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 72.244.0.0/15
    72.244.0.0/15
  4. Jul 30, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    72.244.0.0/16
  5. Aug 28, 2025– Aug 22, 2026
    Announced
    AS40605 Anyconnect Information Technology Co., Ltd
    Hosting
  6. Sep 1, 2025
    Assigned
    Anyconnect Information Technology Co. Ltd
    Reassigned
    72.244.248.0/24
  7. Sep 1, 2025
    Route object
    IPXO
    ARIN route object for AS40605 Anyconnect Information Technology Co., Ltd, maintainer MNT-DCL-577
  8. Sep 2, 2025
    Route object
    IPXO
    RADB route object for AS40605 Anyconnect Information Technology Co., Ltd, maintainer MAINT-AS834
  9. Aug 23, 2026– today
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  10. Aug 25, 2026
    Route object
    IPXO
    RADB route object for AS2914 NTT America, Inc., maintainer MAINT-AS834
  11. Aug 25, 2026
    Route object
    IPXO
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-DCL-577
  12. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
72.244.0.0/15
since Apr 2023
AS3257Internet providerIP broker IPXO (part)428
65 always on
GTT Americas, LLC

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
72.244.0.0/15131,072MEGAPATH-BLK-63GTT Americas, LLC (GAL-104) · USDirect AllocationMar 22, 2005abuse@gtt.net
└ 72.244.0.0/1665,536IPXO-GTTIPXO LLC (IL-845) · USReallocatedJul 18, 2025abuse@ipxo.com
└ 72.244.0.0/1665,536NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJul 30, 2025report@abuseradar.com
└ 72.244.248.0/24256NET-72-244-248-0-24Anyconnect Information Technology Co. Ltd (C11336245) · USReassignedSep 1, 2025report@abuseradar.com
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
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

AS2914

US
Name
NTT America, Inc.
Type
Internet provider
Registered
Dec 7, 1998
Domain
ntt.net
Website
www.gin.ntt.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed