Data as of Nov 7, 2026

66.253.0.0/17

22,528 anonymizer addresses · 69%341 residential-proxy exits · 30 days

GTT Communications Inc. · space held by GTT Americas, LLC

Announcement

this exact prefix

No RPKI

Announced by

AS3257

Type

ISP proxy

42% of it

Residential-proxy exits

Proxy exits

341

1.0% of its addresses · 30 days

Always-on exits

8.2% of its exits

Spread

13 of 128

/24s with at least one exit

Providers

selling exits here

Oct 8, 2026 – Nov 6, 2026

Exits seen per day

19K observations

ISP proxy · anonymizer
Datacenter proxy · anonymizer
Residential
Hosting
Unknown

/24s with the most always-on exits

/24	Always-on exits	Proxy exits
66.253.74.0/24	25	128
66.253.75.0/24	3	29
66.253.84.0/24	0	129
66.253.2.0/24	0	9
66.253.11.0/24	0	5
66.253.10.0/24	0	3
66.253.13.0/24	0	3
66.253.7.0/24	0	3
66.253.43.0/24	0	2
66.253.36.0/24	0	1
66.253.71.0/24	0	1
66.253.4.0/24	0	1
66.253.104.0/24	0	1

Proxy providers listing exits

2Extract
711Proxy
911Proxy
9Proxy
Ake.net
AnyIP
B2Proxy
BestProxy
BirdProxies
BlurPath
BottingTools
BuyingProxy
ByteProxies
Byteful
CatProxies
CliProxy
ColaProxy
DataImpulse
Datarama
Decodo
EZProxies
EnigmaProxy
Evomi
FastProxy
FlashProxy
FlexyProxies
FloppyData
GSocks
Geonix
Geonode
GhostConnect
GloryCloud
GoProxies
GonzoProxy
HideProxy
IPFly
IPPeak
IPRoyal
Infatica
InfiniteProxies
KindProxy
Kookey
LemonBright
LemonLabs
LudaxProxy
MangoProxy
Maskify
MoMoProxy
NSocks
NextProxy
NiuProxy
NodeProxy
NovProxy
NovaProxy
Novada
Oxylabs
PacketStream
ProxiesVision
Proxio
Proxiware
Proxmint
Proxy-Seller
Proxy4U
ProxyEmpire
ProxyGeo
ProxyRack
Proxyma
PuraRoute
RainProxy
RapidProxy
RealProxy
ResiProxies
RoamProxy
RolaProxy
Shifter
Smartproxy
StrikeProxy
SwiftProxy
TalorData
Thordata
VantageProxies
VitalExclusive
WealthProxies

IPv4 market

Path

1 · Holder

GTT Americas, LLC

record created Nov 21, 2005

2 · Leased from

IPXO

for its owner GTT Americas, LLC

3 · Announced by

AS3257 GTT Communications Inc.

since Apr 2023 · 3.5 yr ago

4 · Use

Proxy providersnamed Bunny, FlashProxy, Rayobyte, Wired ISP, Flux Telecom, ProxyBonanza, Novada, QuarkIP

ISP proxy

Operators, sellers and brokers

Proxy providers

Name	Kind	In 66.253.0.0/17	/24s	Role
Bunny	Proxy operator	12,03237%	47	Runs it
FlashProxy	Proxy seller	2,8168.6%	11	Sells it
Rayobyte	Proxy seller	2,0486.3%	8	Sells it
Wired ISP	Proxy operator	2,0486.3%	8	Runs it
Flux Telecom	Proxy operator	1,0243.1%	4	Runs it
ProxyBonanza	Proxy seller	1,0243.1%	4	Sells it
Novada	Proxy seller	7682.3%	3	Sells it
QuarkIP	Proxy seller	7682.3%	3	Sells it

Runs itSells it

Leased from

IP brokers

Name	In 66.253.0.0/17	/24s
IPXO	6,14419%	24

Leased from

Owners leasing their own space

Name	In 66.253.0.0/17	/24s
GTT Americas, LLC	20,22462%	79

Lineage

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

66.253.0.0/17

From the registry to its use

Nov 21, 2005
Registry record
GTT Americas, LLC
Direct Allocation
66.253.0.0/17
Jul 8, 2006– Jun 8, 2016
Announced
AS23504 GTT Americas, LLC
Jun 15, 2016– May 15, 2022
Announced
AS18566 GTT Americas, LLC
Apr 29, 2023– today
Announced
AS3257 GTT Communications Inc.
Internet provider
Apr 11, 2025
Route object
AS3257 GTT Communications Inc.
RADB route object for AS3257 GTT Communications Inc., maintainer MAINT-AS3257
May 7, 2025
Route object
AS3257 GTT Communications Inc.
ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-GAL-104
May 28, 2025
Route object
AS5065 Bunny Communications
ARIN route object for AS5065 Bunny Communications, maintainer MNT-GAL-104
66.253.12.0/24
Jul 29, 2025
Route object
AS39600 Bunny Technology LLC
ARIN route object for AS39600 Bunny Technology LLC, maintainer MNT-GAL-104
66.253.37.0/24
Sep 20, 2025
Route object
IPXO
RADB route object for AS270187 2M Ingenieria y Servicios en Telecomunicaciones S.A. de C.V., maintainer MAINT-AS834
66.253.74.0/23
Sep 20, 2025
Route object
IPXO
ARIN route object for AS270187 2M Ingenieria y Servicios en Telecomunicaciones S.A. de C.V., maintainer MNT-DCL-577
66.253.74.0/23
Sep 29, 2025
Route object
AS834 IPXO LLC
ARIN route object for AS834 IPXO LLC, maintainer MNT-GAL-104
66.253.112.0/22
Dec 9, 2025
Route object
AS834 IPXO LLC
ARIN route object for AS834 IPXO LLC, maintainer MNT-GAL-104
66.253.84.0/22
Jan 1, 2026
Route object
AS834 IPXO LLC
ARIN route object for AS834 IPXO LLC, maintainer MNT-GAL-104
66.253.96.0/20
Apr 8, 2026
Route object
AS834 IPXO LLC
ARIN route object for AS834 IPXO LLC, maintainer MNT-GAL-104
66.253.120.0/22
Jul 7, 2026
Route object
AS62610 Zenlayer Inc
ARIN route object for AS62610 Zenlayer Inc, maintainer MNT-GAL-104
66.253.37.0/24
today
Leased from
IPXO
IP broker
today
Used
Bunny
Proxy operator
today
Used
FlashProxy
Proxy seller
today
Used
Rayobyte
Proxy seller
today
Used
Wired ISP
Proxy operator
today
Used
Flux Telecom
Proxy operator
today
Used
ProxyBonanza
Proxy seller
today
Used
Novada
Proxy seller
today
Used
QuarkIP
Proxy seller

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

Sort

Prefix	Origin	Type	Anonymizer addresses	Operator	Leased from	Proxy exits	Holder
66.253.0.0/24 since Sep 18, 2026	AS3257	ISP proxy		Proxy providersoperated by Bunnysold by QuarkIP			GTT Americas, LLC via Bunny Communications
66.253.1.0/24 since Sep 18, 2026	AS3257	ISP proxy		Proxy providersoperated by Bunnysold by QuarkIP			GTT Americas, LLC via Bunny Communications
66.253.2.0/24 since May 2025	AS3257	ISP proxy		Proxy providersoperated by Bunny		9	GTT Americas, LLC via Bunny Communications
66.253.3.0/24 since Nov 2025	AS39600	ISP proxy		Proxy providersoperated by Bunnysold by Novada			GTT Americas, LLC via Bunny Communications
66.253.4.0/24 since May 2025	AS3257	ISP proxy		Proxy providersoperated by Bunny		1	GTT Americas, LLC via Bunny Communications
66.253.5.0/24 since May 2025	AS3257	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.6.0/24 since Jun 2025	AS151373	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.7.0/24 since May 2025	AS3257	ISP proxy		Proxy providersoperated by Bunny		3	GTT Americas, LLC via Bunny Communications
66.253.8.0/24 since Jun 2025	AS5065	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.9.0/24 since Jul 2026	AS5065	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.10.0/24 since Oct 2025	AS62610	Datacenter proxy		Proxy providersoperated by Bunny		3	GTT Americas, LLC via Bunny Communications
66.253.11.0/24 since Oct 2025	AS62610	Datacenter proxy		Proxy providersoperated by Bunny		5	GTT Americas, LLC via Bunny Communications
66.253.13.0/24 since Oct 2025	AS62610	Datacenter proxy		Proxy providersoperated by Bunny		3	GTT Americas, LLC via Bunny Communications
66.253.14.0/24 since Oct 2025	AS62610	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.15.0/24 since Jun 2025	AS151373	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.16.0/24 since Jun 2025	AS151373	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.17.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.18.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.19.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.20.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.21.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.22.0/24 since Jul 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.23.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.24.0/24 since Jan 2025	AS11696	Unknown					GTT Americas, LLC
66.253.25.0/24 since Jul 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.26.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.27.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.28.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.29.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.30.0/24 since Jul 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.31.0/24 since Jun 2025	AS21859	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.32.0/24 since Aug 2025	AS151373	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.33.0/24 since Mar 2026	AS5065	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.34.0/24 since Jul 2025	AS5065	ISP proxy		Proxy providersoperated by Bunnysold by QuarkIP			GTT Americas, LLC via Bunny Communications
66.253.35.0/24 since Aug 2025	AS151373	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.36.0/24 since Aug 2025	AS5065	ISP proxy		Proxy providersoperated by Bunny		1	GTT Americas, LLC via Bunny Communications
66.253.38.0/24 since Sep 2025	AS62610	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.39.0/24 since Aug 2025	AS3257	ISP proxy		Proxy providersoperated by Bunnysold by Novada			GTT Americas, LLC via Bunny Communications
66.253.40.0/24 since Jul 2025	AS39600	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.41.0/24 since Oct 2025	AS5065	ISP proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.42.0/24 since Oct 14, 2026	AS48529	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.43.0/24 since Oct 14, 2026	AS48529	Datacenter proxy		Proxy providersoperated by Bunny		2	GTT Americas, LLC via Bunny Communications
66.253.44.0/24 since Jun 2026	AS38854	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.45.0/24 since Sep 2025	AS62610	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.46.0/24 since Oct 14, 2026	AS48529	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.47.0/24 since Aug 2025	AS62610	Datacenter proxy		Proxy providersoperated by Bunny			GTT Americas, LLC via Bunny Communications
66.253.48.0/22 since Jul 2025	AS36916	Unknown					GTT Americas, LLC via BITE
66.253.52.0/22 since Sep 28, 2026	AS11611	Internet provider					GTT Americas, LLC via Arctic Fox Networks Inc
66.253.56.0/22 since May 2026	AS7459	ISP proxy		Proxy providersoperated by Flux Telecom			GTT Americas, LLC
66.253.60.0/22 since Jul 2025	AS36916	Unknown					GTT Americas, LLC via BITE
66.253.64.0/22 since Sep 2025	AS5650	ISP proxy		Proxy providerssold by FlashProxy	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.68.0/24 since Nov 3, 2026	AS39521	Datacenter proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.69.0/24 since Nov 3, 2026	AS39521	Datacenter proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.70.0/24 since May 2026	AS401322	Hosting			IP broker IPNetZone, IPXO		GTT Americas, LLC via NetO Corp
66.253.71.0/24 since Jul 2026	AS274983	Unknown			IP broker IPXO	1	GTT Americas, LLC via Internet Utilities NA LLC
66.253.72.0/24 since Oct 2025	AS7922	ISP proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.73.0/24 since Oct 4, 2026	AS26042	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.74.0/24 since Sep 2025	AS270187	Residential			IP broker IPXO	128 25 always on	GTT Americas, LLC via Internet Utilities NA LLC
66.253.75.0/24 since Oct 2025	AS270187	Unknown			IP broker IPXO	29 3 always on	GTT Americas, LLC via Internet Utilities NA LLC
66.253.76.0/24 since Oct 2025	AS7922	ISP proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.77.0/24 since Oct 2025	AS7922	ISP proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.78.0/24 since Oct 2025	AS7922	ISP proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.79.0/24 since Nov 3, 2026	AS39521	Datacenter proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.80.0/22 since Mar 2026	AS393427	ISP proxy		Proxy providersoperated by Wired ISPsold by FlashProxy	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.84.0/24 since May 2026	AS401322	Hosting			IP broker IPNetZone, IPXO	129	GTT Americas, LLC via NetO Corp
66.253.85.0/24 since Oct 12, 2026	AS26042	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.86.0/24 since May 2026	AS401322	Hosting			IP broker IPNetZone, IPXO		GTT Americas, LLC via NetO Corp
66.253.87.0/24 since Nov 3, 2026	AS39521	Datacenter proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.88.0/22 since Mar 2026	AS393427	ISP proxy		Proxy providersoperated by Wired ISPsold by FlashProxy	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.92.0/24 since Oct 2025	AS401839	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.93.0/24 since Jul 2026	AS212238	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.94.0/24 since Feb 2026	AS36139	Unknown			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.95.0/24 since Oct 7, 2026	AS402072	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.96.0/24 since Oct 22, 2026	AS152606	ISP proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.98.0/24 since Jun 2026	AS6079	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.99.0/24 since Oct 22, 2026	AS2914	ISP proxy					GTT Americas, LLC via Internet Utilities NA LLC
66.253.100.0/24 since Aug 2026	AS397423	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.103.0/24 since May 2026	AS7029	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.104.0/24 since Oct 22, 2026	AS8796	Hosting				1	GTT Americas, LLC via Internet Utilities NA LLC
66.253.105.0/24 since Jul 2026	AS6079	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.106.0/24 since Jul 2026	AS6079	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.107.0/24 since Jun 2026	AS6079	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.110.0/24 since Jun 2026	AS6079	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.112.0/24 since Oct 2025	AS274564	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.113.0/24 since Oct 2025	AS152672	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.114.0/24 since Nov 3, 2026	AS39521	Datacenter proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.115.0/24 since Jul 2026	AS6079	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.116.0/22 since Sep 2025	AS400175	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.120.0/24 since Jul 2026	AS6079	ISP proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.121.0/24 since Jul 2026	AS6079	ISP proxy			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.122.0/24 since Jul 2026	AS6079	ISP proxy		Proxy providerssold by Rayobyte	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.123.0/24 since Jul 2026	AS53340	Hosting			IP broker IPXO		GTT Americas, LLC via Internet Utilities NA LLC
66.253.124.0/22 since Sep 2025	AS13737	Hosting	allDatacenter proxy	Proxy providerssold by ProxyBonanza	IP broker IPXO		GTT Americas, LLC via Internet Utilities NA 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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
66.253.0.0/17	32,768	MEGAPATH-BLK-56	GTT Americas, LLC (GAL-104) · US	Direct Allocation	Nov 21, 2005	abuse@gtt.net
└ 66.253.0.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 2, 2025	abuse@bunnycommunications.com
└ 66.253.0.0/24	256	SPRINGTIDE-COMMUNICATIONS	Springtide Communications (C11543059) · US	Reassigned	Mar 16, 2026	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.1.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 2, 2025	abuse@bunnycommunications.com
└ 66.253.1.0/24	256	SPRINGTIDE-COMMUNICATIONS	Springtide Communications (C11543060) · US	Reassigned	Mar 16, 2026	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.2.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 2, 2025	abuse@bunnycommunications.com
└ 66.253.3.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 2, 2025	abuse@bunnycommunications.com
└ 66.253.3.0/24	256	HGC	HGC Global Communications Limited (C11258601) · HK	Reassigned	Jul 1, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.4.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 2, 2025	abuse@bunnycommunications.com
└ 66.253.5.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 3, 2025	abuse@bunnycommunications.com
└ 66.253.5.0/24	256	GTT-COMMUNICATIONS-INC	GTT Communications Inc. (C11273434) · US	Reassigned	Jul 16, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.6.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.7.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 3, 2025	abuse@bunnycommunications.com
└ 66.253.7.0/24	256	GTT	I-2000, Inc. (C11242454) · US	Reassigned	Jun 17, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.8.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jun 3, 2025	abuse@bunnycommunications.com
└ 66.253.9.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.10.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.11.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.12.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.13.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.14.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.15.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.16.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.17.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.18.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.19.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.20.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.21.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.22.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.23.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.24.0/26	64	SPEK-IT-66-253-24-0-26-0	unknown	—	—	—
└ 66.253.24.64/26	64	SPEK-IT-66-253-24-64-26-0	unknown	—	—	—
└ 66.253.24.128/27	32	SPEK-VOIP-66-253-24-128-27-0	unknown	—	—	—
└ 66.253.25.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.26.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.27.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.28.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.29.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.30.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.31.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	May 28, 2025	abuse@bunnycommunications.com
└ 66.253.32.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.33.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.33.0/24	256	HGC	HGC Global Communications Limited (C11280423) · HK	Reassigned	Jul 16, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.34.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.35.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.36.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.36.0/24	256	GTT	I-2000, Inc. (C11263742) · US	Reassigned	Jul 6, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.37.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.38.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.39.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.39.0/24	256	GTT	I-2000, Inc. (C11263741) · US	Reassigned	Jul 6, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.40.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.40.0/24	256	GTT	I-2000, Inc. (C11263740) · US	Reassigned	Jul 6, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.41.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.41.0/24	256	HGC	HGC Global Communications Limited (C11280457) · HK	Reassigned	Jul 16, 2025	abuse@bunnycommunications.com via BUNNY1-ARIN-GTT
└ 66.253.42.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.42.0/24	256	QUANTUMBEAM	Quantumbeam Communications Limited (QCL-44) · GB	Reassigned	Oct 13, 2026	admin@qbcomms.uk
└ 66.253.43.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.43.0/24	256	QUANTUMBEAM	Quantumbeam Communications Limited (QCL-44) · GB	Reassigned	Oct 13, 2026	admin@qbcomms.uk
└ 66.253.44.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.45.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.46.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.47.0/24	256	BUNNY1-ARIN-GTT	Bunny Communications (BCL-435) · US	Reallocated	Jul 1, 2025	abuse@bunnycommunications.com
└ 66.253.48.0/22	1,024	GTT-BITE-HRS-NET	BITE (BITE) · LT	Reallocated	Jul 30, 2025	noc@bi.lt
└ 66.253.52.0/22	1,024	NET-V4-GTT-BLK16	Arctic Fox Networks Inc (AFN-35) · US	Reallocated	Feb 23, 2026	dmcanotice@arcticfox.dev
└ 66.253.56.0/22	1,024	FLUXSTREAM-GTT	unknown	Reassigned	Apr 14, 2026	abuse@gtt.net via MEGAPATH-BLK-56
└ 66.253.60.0/22	1,024	GTT-BITE-HRS-NET	BITE (BITE) · LT	Reallocated	Jul 30, 2025	noc@bi.lt
└ 66.253.64.0/18	16,384	IPXO-GTT	IPXO LLC (IL-845) · US	Reallocated	Jul 18, 2025	abuse@ipxo.com
└ 66.253.64.0/18	16,384	NETUTILS	Internet Utilities NA LLC (DCL-577) · US	Reallocated	Jul 22, 2025	report@abuseradar.com
└ 66.253.70.0/24	256	NET-66-253-70-0-24	IPNetZone (IPNET-1) · US	Reallocated	Mar 25, 2026	ipabuse@unsi.net
└ 66.253.70.0/24	256	NETO-X-GTT	NetO Corp (NC-1197) · US	Reallocated	May 11, 2026	jennifer@neto-x.com
└ 66.253.71.0/24	256	NET-66-253-71-0-24	unknown	Reassigned	Jul 27, 2026	report@abuseradar.com via IPXO-GTT
└ 66.253.72.0/24	256	MOD MISSION CRITICAL	unknown	Reassigned	Oct 6, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.74.0/23	512	NET-66-253-74-0-23	2M Soluciones (C11360435) · MX	Reassigned	Sep 20, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.76.0/24	256	MOD MISSION CRITICAL	unknown	Reassigned	Oct 6, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.77.0/24	256	MOD MISSION CRITICAL	unknown	Reassigned	Oct 6, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.78.0/24	256	MOD MISSION CRITICAL	unknown	Reassigned	Oct 6, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.84.0/24	256	NET-66-253-84-0-24	IPNetZone (IPNET-1) · US	Reallocated	Mar 25, 2026	ipabuse@unsi.net
└ 66.253.84.0/24	256	NETO-X-GTT	NetO Corp (NC-1197) · US	Reallocated	May 11, 2026	jennifer@neto-x.com
└ 66.253.86.0/24	256	NET-66-253-86-0-24	IPNetZone (IPNET-1) · US	Reallocated	Mar 25, 2026	ipabuse@unsi.net
└ 66.253.86.0/24	256	NETO-X-GTT	NetO Corp (NC-1197) · US	Reallocated	May 11, 2026	jennifer@neto-x.com
└ 66.253.92.0/24	256	NET-66-253-92-0-24	Pyro Inc. (C11399451) · US	Reassigned	Oct 23, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.93.0/24	256	NET-66-253-93-0-24	unknown	Reassigned	Dec 12, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.94.0/24	256	NET-66-253-94-0-24	unknown	Reassigned	Nov 4, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.96.0/20	4,096	TURKNET-BROADBAND	Turknet Iletisim Hizmetleri A.S (C11319578) · US	Reassigned	Aug 17, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.112.0/24	256	NET-66-253-112-0-24	StayCloud (C11401019) · BR	Reassigned	Oct 27, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.113.0/24	256	NET-66-253-113-0-24	unknown	Reassigned	Oct 27, 2025	report@abuseradar.com via IPXO-GTT
└ 66.253.115.0/24	256	NET-66-253-115-0-24	unknown	Reassigned	Jul 22, 2026	report@abuseradar.com via IPXO-GTT
└ 66.253.120.0/24	256	NET-66-253-120-0-24	unknown	Reassigned	Jul 23, 2026	report@abuseradar.com via IPXO-GTT
└ 66.253.121.0/24	256	NET-66-253-121-0-24	unknown	Reassigned	Jul 23, 2026	report@abuseradar.com via IPXO-GTT
└ 66.253.122.0/24	256	NET-66-253-122-0-24	unknown	Reassigned	Jul 22, 2026	report@abuseradar.com via IPXO-GTT
└ 66.253.123.0/24	256	NET-66-253-123-0-24	unknown	Reassigned	Jul 28, 2026	report@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.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses

Type	Addresses	Share	Ranges
ISP proxyanonymizer	13,824	42%	44
Datacenter proxyanonymizer	8,704	27%	33
Hosting	4,352	13%	14
Unknown	3,072	9.4%	6
Internet provider	2,560	7.8%	5
Residential	256	0.78%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS3257

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

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS3257	RADB	GTT	MAINT-AS3257	Apr 11, 2025
AS3257	ARIN	GTT	MNT-GAL-104	May 7, 2025

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
66.253.12.0/24	AS5065	ARIN	GTT Americas, LLC	MNT-GAL-104	May 28, 2025
66.253.37.0/24	AS39600	ARIN	GTT Americas, LLC	MNT-GAL-104	Jul 29, 2025
66.253.37.0/24	AS62610	ARIN	GTT Americas, LLC	MNT-GAL-104	Jul 7, 2026
66.253.74.0/23	AS270187	RADB	autogen	MAINT-AS834	Sep 20, 2025
66.253.74.0/23	AS270187	ARIN	Used by EndUser	MNT-DCL-577	Sep 20, 2025
66.253.84.0/22	AS834	ARIN	GTT Americas, LLC	MNT-GAL-104	Dec 9, 2025
66.253.96.0/20	AS834	ARIN	GTT Americas, LLC	MNT-GAL-104	Jan 1, 2026
66.253.112.0/22	AS834	ARIN	GTT Americas, LLC	MNT-GAL-104	Sep 29, 2025
66.253.120.0/22	AS834	ARIN	GTT Americas, LLC	MNT-GAL-104	Apr 8, 2026

66.253.0.0/17

Residential-proxy exits

Exits seen per day

/24s with the most always-on exits

Proxy providers listing exits

Path

Operators, sellers and brokers

Proxy providers

IP brokers

Owners leasing their own space

Lineage

From the registry to its use

Announcements

More-specifics by size

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS3257

Who has announced this prefix

Routing history

History

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact