Data as of Nov 3, 2026

66.166.0.0/16

65,280 anonymizer addresses · >99% · ISP proxy1 residential-proxy exit · 30 days

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

Announcement

66.166.0.0/15

No RPKI

Announced by

AS3257

Type

ISP proxy

>99% of it

Residential-proxy exits

Proxy exits

<0.01% of its addresses · 30 days

Spread

1 of 256

/24s with at least one exit

Providers

selling exits here

Oct 4, 2026 – Nov 2, 2026

Exits seen per day

1 observation

Proxy providers listing exits

GSocks

IPv4 market

Path

1 · Holder

GTT Americas, LLC

record created Sep 10, 2001

2 · Leased from

IPNetZone

for its owner GTT Americas, LLC

3 · Announced by

AS3257 GTT Communications Inc.

since Apr 2023 · 3.5 yr ago

4 · Use

Proxy providersnamed Bright Data

ISP proxy

Operators, sellers and brokers

Proxy providers

Name	Parent	In 66.166.0.0/16	/24s
Bright Data		1,7922.7%	7

Leased from

IP brokers

Name	In 66.166.0.0/16	/24s
IPNetZone	65,280>99%	255

Leased from

Owners leasing their own space

Name	In 66.166.0.0/16	/24s
GTT Americas, LLC	65,280>99%	255

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
66.166.0.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.0.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.1.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.2.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.3.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.4.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.5.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.6.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.7.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.8.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.9.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.10.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.11.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.12.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.13.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.14.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.15.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.16.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.16.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.17.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.18.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.19.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.20.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.21.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.22.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.23.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.24.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.25.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.26.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.27.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.28.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.29.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.30.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.31.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.32.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.32.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.33.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.34.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.35.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.36.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.37.0/24 since Sep 2025	AS22773	ISP proxy		Proxy providersoperated by Bright Data	IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.38.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.39.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.40.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.41.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.42.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.43.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.44.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.45.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.46.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.47.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.48.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.48.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.49.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.50.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.51.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.52.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.53.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.54.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.55.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.56.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.57.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.58.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.59.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.60.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.61.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.62.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.63.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.64.0/20 since Oct 22, 2026	AS22773	Unknown				1	GTT Americas, LLC via IPNetZone
66.166.64.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.65.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.66.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.67.0/24 since Sep 2025	AS22773	Unknown			IP broker IPNetZone	1	GTT Americas, LLC via IPNetZone
66.166.68.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.69.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.70.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.71.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.72.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.73.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.74.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.75.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.76.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.77.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.78.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.79.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.80.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.80.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.81.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.82.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.83.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.84.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.85.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.86.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.87.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.88.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.89.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.90.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.91.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.92.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.93.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.94.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.95.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.96.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.96.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.97.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.98.0/24 since Sep 2025	AS22773	ISP proxy		Proxy providersoperated by Bright Data	IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.99.0/24 since Sep 2025	AS22773	ISP proxy		Proxy providersoperated by Bright Data	IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.100.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.101.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.102.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.103.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.104.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.105.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.106.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.107.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.108.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.109.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.110.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.111.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.112.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.112.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.113.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.114.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.115.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.116.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.117.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.118.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.119.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.120.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.121.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.122.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.123.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.124.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.125.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.126.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.127.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.128.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.128.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.129.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.130.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.131.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.132.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.133.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.134.0/24 since Sep 2025	AS22773	ISP proxy		Proxy providersoperated by Bright Data	IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.135.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.136.0/24 since Sep 2025	AS22773	ISP proxy		Proxy providersoperated by Bright Data	IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.137.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.138.0/24 since Sep 2025	AS22773	ISP proxy		Proxy providersoperated by Bright Data	IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.139.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.140.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.141.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.142.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.143.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.144.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.144.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.145.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.146.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.147.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.148.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.149.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.150.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.151.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.152.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.153.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.154.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.155.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.156.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.157.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.158.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.159.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.160.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.160.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.161.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.162.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.163.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.164.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.164.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.165.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.166.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.167.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.168.0/22 since Oct 22, 2026	AS22773	Unknown	allISP proxy				GTT Americas, LLC via IPNetZone
66.166.172.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.172.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.173.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.174.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.175.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.176.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.176.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.177.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.178.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.179.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.180.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.180.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.181.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.182.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.183.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.184.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.184.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.185.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.186.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.187.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.188.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.188.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.189.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.190.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.191.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.192.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.192.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.193.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.194.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.195.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.196.0/22 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.196.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.197.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.198.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.199.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.200.0/21 since Oct 22, 2026	AS22773	Unknown					GTT Americas, LLC via IPNetZone
66.166.200.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.201.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.202.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.203.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.204.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.205.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.206.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.207.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.208.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.208.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.209.0/24 since Sep 2025	AS22773	ISP proxy		Proxy providersoperated by Bright Data	IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.210.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.211.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.212.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.213.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.214.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.215.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.216.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.217.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.218.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.219.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.220.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.221.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.222.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.223.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.224.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.224.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.225.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.226.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.227.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.228.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.229.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.230.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.231.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.232.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.233.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.234.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.235.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.236.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.237.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.238.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.239.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.240.0/20 since Oct 22, 2026	AS22773	ISP proxy					GTT Americas, LLC via IPNetZone
66.166.240.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.241.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.242.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.243.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.244.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.245.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.246.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.247.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.248.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.249.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.250.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.251.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.252.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.253.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.254.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone
66.166.255.0/24 since Sep 2025	AS22773	ISP proxy			IP broker IPNetZone		GTT Americas, LLC via IPNetZone

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
66.166.0.0/15	131,072	MEGAPATH-BLK-55	GTT Americas, LLC (GAL-104) · US	Direct Allocation	Sep 10, 2001	[email protected]
└ 66.166.0.0/16	65,536	GTT-CUSTOMER	IPNetZone (IPNET-1) · US	Reallocated	Sep 25, 2025	[email protected]

Composition

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

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses

Type	Addresses	Share	Ranges
ISP proxyanonymizer	65,280	>99%	255
Unknown	256	0.39%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 66.166.0.0/15

Prefix: 66.166.0.0/15
Announced by: AS3257 GTT Communications Inc.
Type: Internet provider
Anonymizer addresses: none
Proxy exits: 3
RPKI: No RPKI
Netname: MEGAPATH-BLK-55
Registrant: GTT Americas, LLC
RIR: ARIN

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

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

66.166.0.0/16

Residential-proxy exits

Exits seen per day

Proxy providers listing exits

Path

Operators, sellers and brokers

Proxy providers

IP brokers

Owners leasing their own space

Announcements

More-specifics by size

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

Covering announcement 66.166.0.0/15

AS3257

Who has announced 66.166.0.0/15

Routing history

History

Route objects on 66.166.0.0/15

Registration for this announcement

Abuse contact