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Data as of Nov 5, 2026

72.244.48.0/24

No anonymizer space · no proxy exits in 30 days

Hong Kong Flash Speed Limited · space held by GTT Americas, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS219447
Type
Unknown
Risk
0 / 100 · Low
Recent change
New origin Oct 10, 2026
its first announcement on record
IPv4 market

Path

Announced by AS219447 since Oct 10, 2026 · 4 wk ago
1 · Holder
GTT Americas, LLC
record created Mar 22, 2005 · reallocated to Internet Utilities NA LLC Jul 30, 2025
2 · Leased from
IPXO
3 · Announced by
AS219447 Hong Kong Flash Speed Limited
since Oct 10, 2026 · 4 wk ago
4 · Use
Unknown

Lineage

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

72.244.48.0/24

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. Oct 10, 2026– today
    Announced
    AS219447 Hong Kong Flash Speed Limited
  6. Oct 15, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    72.244.48.0/24
  7. Oct 15, 2026
    Route object
    IPXO
    RADB route object for AS219047 HongKong Sparkling Limited, maintainer MAINT-AS834
  8. Oct 15, 2026
    Route object
    IPXO
    RADB route object for AS219053 HongKong Serene Limited, maintainer MAINT-AS834
  9. Oct 15, 2026
    Route object
    IPXO
    RADB route object for AS219447 Hong Kong Flash Speed Limited, maintainer MAINT-AS834
  10. 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)430
68 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
└ 72.244.48.0/24256NET-72-244-48-0-24unknownReassignedOct 15, 2026report@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

AS219447

HK
Name
Hong Kong Flash Speed Limited
Registered
Jun 12, 2026
Domain
hkflashspeed.com
Spamhaus ASN-DROP
not listed