166.0.0.0/8

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Summary

IP address summary information
ASNs	226
Countries	77
BGP Prefixes	2,117
Routers	2,977
Pingable IPs	723,907

United States
91.70%
Switzerland
2.62%
Australia
1.23%
South Korea
1.08%
Other
3.37%


166.0.0.0/16	Germany47.25%	34	67	15
166.1.0.0/16	United States68.25%	36	50	6
166.2.0.0/16	United States100.00%	1	1	0
166.3.0.0/16	United States100.00%	1	1	0
166.4.0.0/16	United States100.00%	1	1	0
166.5.0.0/16	United States100.00%	1	1	0
166.6.0.0/16	United States100.00%	1	1	0
166.7.0.0/16	United States100.00%	1	1	0
166.8.0.0/16	United States100.00%	1	0	0
166.9.0.0/16	United States100.00%	1	0	0

Sub-ranges

Important routers in 166.0.0.0/8


166.49.209.195	London, United Kingdom	AS5400British Telecommunications Limited
166.70.1.51	Salt Lake City, United States	AS6315XMission, L.C.
166.70.1.52	Salt Lake City, United States	AS6315XMission, L.C.
166.49.214.195	London, United Kingdom	AS5400British Telecommunications Limited
166.63.204.194	Frankfurt am Main, Germany	AS1273Vodafone Group PLC
166.88.239.253	Athens, Greece	AS26383Baxet Group Inc.
166.49.214.137	London, United Kingdom	AS5400British Telecommunications Limited
166.88.239.252	Athens, Greece	AS26383Baxet Group Inc.
166.70.1.2	Salt Lake City, United States	AS6315XMission, L.C.
166.49.143.130	Paris, France	AS5400British Telecommunications Limited

Important routers in 166.0.0.0/8

Pingable IPs

723,907 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


166.193.30.128	AS20057AT&T Enterprises, LLC	22.40ms from Chicago, US
166.180.239.150	AS6167Verizon Business	25.30ms from Chicago, US
166.180.226.70	AS6167Verizon Business	28.17ms from Chicago, US
166.180.236.65	AS6167Verizon Business	24.64ms from Chicago, US
166.180.241.116	AS6167Verizon Business	22.66ms from Chicago, US
166.193.40.99	AS20057AT&T Enterprises, LLC	25.82ms from Dallas, US
166.180.246.254	AS6167Verizon Business	29.82ms from Chicago, US
166.180.219.185	AS6167Verizon Business	39.89ms from Chicago, US
166.180.231.28	AS6167Verizon Business	27.39ms from Chicago, US
166.192.50.127	AS7018AT&T Enterprises, LLC	8.07ms from Columbus, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.


49.213.59.8	AS139653PT GUNUNG SUGIH BESAR NETWORK	5.43ms from Jakarta, ID
86.6.250.72	AS5089Virgin Media Limited	3.71ms from London, GB
189.191.26.8	AS8151UNINET	1.19ms from Mexico City, MX
99.79.63.8	AS16509Amazon.com, Inc.	0.38ms from Montreal, CA
188.211.51.104	AS58224Iran Telecommunication Company PJS	16.21ms from Yerevan, AM
92.118.159.40	AS44043Cyber_Folks SRL	6.17ms from Bucharest, RO
73.103.3.120	AS7922Comcast Cable Communications, LLC	8.61ms from Chicago, US
72.3.201.248	AS33070Rackspace Hosting	1.04ms from Dallas, US
158.252.88.136	AS16509Amazon.com, Inc.	1.90ms from Dubai, AE
219.77.161.72	AS4760HKT Limited	4.30ms from Hong Kong, HK

Pingable IPs

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$ traceroute -a -n -q1 -m5 166.23.134.24

traceroute to 166.23.134.24 (166.23.134.24): 5 hops max, 52 byte packets

1 [AS15169] 142.251.76.209 101.258 ms

2 [AS15169] 108.170.255.178 101.429 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Osaka, JP

On July 12, 2026

Traceroute

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166.0.0.0/8

Summary

Sub-ranges

Important routers in 166.0.0.0/8

Important routers in 166.0.0.0/8

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 166.0.0.0/8

Pingable IPs

Other Pingable IPs

Traceroute

166.0.0.0/8

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 166.0.0.0/8

Important routers in 166.0.0.0/8

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Statistics

Sub-ranges

Important routers in 166.0.0.0/8

Pingable IPs

Other Pingable IPs

Traceroute