66.243.0.0/16

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Summary

IP address summary information
ASNs	10
Countries	1
BGP Prefixes	21
Routers	53
Pingable IPs	3,622

United States
100.00%


66.243.0.0/24	United States100.00%	1	1
66.243.1.0/24	United States100.00%	1	1
66.243.2.0/24	United States100.00%	1	1
66.243.3.0/24	United States100.00%	1	1
66.243.4.0/24	United States100.00%	1	1
66.243.5.0/24	United States100.00%	1	1
66.243.6.0/24	United States100.00%	1	1
66.243.7.0/24	United States100.00%	1	1
66.243.8.0/24	United States100.00%	1	1
66.243.9.0/24	United States100.00%	1	1

Sub-ranges

Important routers in 66.243.0.0/16


66.243.243.50	Ellensburg, United States	AS12175Rainier Connect
66.243.243.150	Ellensburg, United States	AS12175Rainier Connect
66.243.252.4	Ellensburg, United States	AS12175Rainier Connect
66.243.224.47	Tahlequah, United States	AS174Cogent Communications, LLC
66.243.252.53	Ellensburg, United States	AS12175Rainier Connect
66.243.251.39	Ellensburg, United States	AS12175Rainier Connect
66.243.243.2	Ellensburg, United States	AS12175Rainier Connect
66.243.224.238	Tahlequah, United States	AS174Cogent Communications, LLC
66.243.251.181	Ellensburg, United States	AS12175Rainier Connect
66.243.251.141	Mattawa, United States	AS12175Rainier Connect

Important routers in 66.243.0.0/16

Pingable IPs

3,622 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


66.243.42.150	AS3356Level 3 Parent, LLC	0.60ms from Atlanta, US
66.243.255.211	AS12175Rainier Connect	3.18ms from Seattle, US
66.243.237.215	AS12175Rainier Connect	3.93ms from Seattle, US
66.243.245.85	AS12175Rainier Connect	7.71ms from Seattle, US
66.243.253.242	AS12175Rainier Connect	3.13ms from Seattle, US
66.243.206.73	AS32645Fidium	10.61ms from Boston, US
66.243.201.126	AS32645Fidium	10.54ms from Boston, US
66.243.250.18	AS12175Rainier Connect	3.19ms from Seattle, US
66.243.244.123	AS12175Rainier Connect	9.00ms from Seattle, US
66.243.235.113	AS12175Rainier Connect	4.19ms from Seattle, US

Other Pingable IPs

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


52.131.121.96	AS58593Shanghai Blue Cloud Technology Co.,Ltd	3.75ms from Beijing, CN
193.158.94.80	AS3320Deutsche Telekom AG	1.68ms from Duesseldorf, DE
85.211.195.144	AS8075Microsoft Corporation	0.19ms from Kuala Lumpur, MY
109.51.49.96	AS2860NOS COMUNICACOES, S.A.	3.18ms from Lisbon, PT
172.213.200.0	AS8075Microsoft Corporation	0.19ms from Milan, IT
74.72.113.16	AS12271Charter Communications Inc	3.89ms from New York City, US
18.65.124.48	AS16509Amazon.com, Inc.	0.20ms from Osaka, JP
54.197.83.16	AS14618Amazon.com, Inc.	0.23ms from Reston, US
119.205.148.48	AS4766Korea Telecom	4.16ms from Seoul, KR
20.185.90.0	AS8075Microsoft Corporation	0.47ms from Ashburn, US

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 -f3 -m13 66.243.168.254

traceroute to 66.243.168.254 (66.243.168.254): 13 hops max, 52 byte packets

3 [AS21949] 66.207.208.233 0.84 ms

4 *

5 *

6 *

7 [AS21949] 199.167.154.217 1.218 ms

8 [AS21949] 72.15.49.9 649.949 ms

9 [AS21949] 207.66.123.59 1.179 ms

10 [AS3356] 4.38.228.10 22.868 ms

11 *

12 *

13 *

Measurement taken from

IPinfo ProbeNet in Toronto, CA

On August 7, 2026

Traceroute

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66.243.0.0/16

Summary

Sub-ranges

Important routers in 66.243.0.0/16

Important routers in 66.243.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 66.243.0.0/16

Pingable IPs

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Traceroute

66.243.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 66.243.0.0/16

Important routers in 66.243.0.0/16

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 66.243.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute