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Data as of Nov 6, 2026

205.201.160.0/19

4,096 anonymizer addresses · 50% · ISP proxy

GTT Communications Inc. · space held by VoloNet Technologies, Inc

Announcement
this exact prefix
No RPKI
Announced by
AS3257
Type
ISP proxy
50% of it
IPv4 market

Path

1 · Holder
VoloNet Technologies, Inc
record created Aug 4, 2005 · reallocated to GTT Americas, LLC Nov 10, 2025
2 · Leased from
VoloNet Technologies, Inc
its owner, directly
3 · Announced by
AS3257 GTT Communications Inc.
since Jul 2018 · 8.3 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 205.201.160.0/19/24s
VoloNet Technologies, Inc
4,09650%
16

Lineage

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

205.201.160.0/19

From the registry to its use

  1. Aug 4, 2005
    Registry record
    VoloNet Technologies, Inc
    Direct Allocation
    205.201.160.0/19
  2. Jul 24, 2018– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  3. May 5, 2023
    Route object
    AS3257 GTT Communications Inc.
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-VOLO
  4. Nov 10, 2025
    Reallocated
    GTT Americas, LLC
    Reallocated
    205.201.160.0/19
  5. Nov 27, 2025
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-VOLO
    205.201.176.0/20

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeLeased fromHolderRPKI
205.201.160.0/20
since Jan 2026
AS11427ISP proxyIP broker IPNetZoneVoloNet Technologies, Inc
via RCN
205.201.176.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.177.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.178.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.179.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.180.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.181.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.182.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.183.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.184.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.185.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.186.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.187.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.188.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.189.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.190.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone
205.201.191.0/24
since Dec 2025
AS6079UnknownIP broker IPNetZoneVoloNet Technologies, Inc
via IPNetZone

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
205.201.160.0/198,192VOLONET-3VoloNet Technologies, Inc (VOLO) · USDirect AllocationAug 4, 2005abuse@gtt.net
└ 205.201.160.0/198,192GTT-TESTGTT Americas, LLC (GAL-104) · USReallocatedNov 10, 2025abuse@gtt.net
└ 205.201.160.0/204,096GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedDec 21, 2025ipabuse@unsi.net
└ 205.201.160.0/204,096RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 205.201.176.0/204,096GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedNov 27, 2025ipabuse@unsi.net

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
ISP proxyanonymizer4,09650%1
Unknown4,09650%16

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
VoloNet Technologies, Inc
Handle
VOLO
Range
205.201.160.0/19
Registration type
Direct Allocation
Record created
Aug 4, 2005
Reallocated to
GTT Americas, LLC (GAL-104)
Reallocated
Nov 10, 2025
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