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Data as of Nov 5, 2026

16.5.170.0/23

Anonymizer · ISP proxy1 residential-proxy exit · 30 days

GTT Communications Inc. · space held by Hewlett Packard Enterprise Company

Announcement
this exact prefix
RPKI valid
Announced by
AS3257
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 18, 2026
from AS174 Cogent Communications, LLC

Residential-proxy exits

Proxy exits
1
0.20% of its addresses · 30 days
Spread
1 of 2
/24s with at least one exit
Providers
20
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

754 observations

Proxy providers listing exits

  • BirdProxies
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlashProxy
  • FlexyProxies
  • GonzoProxy
  • IPPeak
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • Shifter
  • VantageProxies
  • VitalExclusive
IPv4 market

Path

Announced by AS3257 since Sep 18, 2026 · 7 wk ago
1 · Holder
Hewlett Packard Enterprise Company
record created May 18, 1989 · reallocated to Internet Utilities NA LLC Apr 18, 2026
2 · Leased from
IPXO
for its owner Hewlett Packard Enterprise Company
3 · Announced by
AS3257 GTT Communications Inc.
since Sep 18, 2026 · 7 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 16.5.170.0/23/24s
IPXO
512100%
2
Leased from

Owners leasing their own space

NameIn 16.5.170.0/23/24s
Hewlett Packard Enterprise Company
512100%
2

Lineage

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

16.5.170.0/23

From the registry to its use

  1. May 18, 1989
    Registry record
    Hewlett Packard Enterprise Company
    Direct Allocation (legacy, pre-1997)
    16.5.0.0/16
  2. Apr 18, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    16.5.0.0/16
  3. Jun 24, 2026– Sep 21, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. Jun 28, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    16.5.170.0/23
  5. Jun 28, 2026
    Route object
    IPXO
    RADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS834
  6. Jun 28, 2026
    Route object
    IPXO
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-DCL-577
  7. Sep 3, 2026
    Route object
    IPXO
    RADB route object for AS3257 GTT Communications Inc., maintainer MAINT-AS834
  8. Sep 3, 2026
    Route object
    IPXO
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-DCL-577
  9. Sep 18, 2026– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  10. today
    Leased from
    IPXO
    IP broker

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
16.5.0.0/1665,536HPE-15Hewlett Packard Enterprise Company (HPE-15) · USDirect AllocationMay 18, 1989IPv4.notices@hpe.com
└ 16.5.0.0/1665,536IPXO-LLCIPXO LLC (IL-845) · USReallocatedApr 3, 2026abuse@ipxo.com
└ 16.5.0.0/1665,536NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedApr 18, 2026report@abuseradar.com
└ 16.5.170.0/23512NET-16-5-170-0-23unknownReassignedJun 28, 2026report@abuseradar.com
via HPE-15

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
Hewlett Packard Enterprise Company
Handle
HPE-15
Range
16.5.0.0/16
Registration type
Direct Allocation
Record created
May 18, 1989
Legacy
yes
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated
Apr 18, 2026
Origin network

AS3257

US
Name
GTT Communications Inc.
Type
Internet provider
Registered
Sep 30, 1994
Domain
gtt.net
Website
www.gtt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
244