203.66.0.0/16

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Summary

IP address summary information
ASNs	3
Countries	1
BGP Prefixes	6
Routers	78
Pingable IPs	3,536

Taiwan
100.00%


203.66.0.0/24	Taiwan100.00%	1	1	1
203.66.1.0/24	Taiwan100.00%	1	1	0
203.66.2.0/24	Taiwan100.00%	1	1	0
203.66.3.0/24	Taiwan100.00%	1	1	0
203.66.4.0/24	Taiwan100.00%	1	1	0
203.66.5.0/24	Taiwan100.00%	1	1	0
203.66.6.0/24	Taiwan100.00%	1	1	0
203.66.7.0/24	Taiwan100.00%	1	1	0
203.66.8.0/24	Taiwan100.00%	1	1	1
203.66.9.0/24	Taiwan100.00%	1	1	7

Sub-ranges

Important routers in 203.66.0.0/16


203.66.74.21	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.74.29	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.130.134	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.246.15	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.90.225	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.61.1	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.74.17	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.9.129	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.74.25	Taipei, Taiwan	AS3462Data Communication Business Group
203.66.91.252	Taipei, Taiwan	AS3462Data Communication Business Group

Important routers in 203.66.0.0/16

Pingable IPs

3,536 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


203.66.246.247	AS3462Data Communication Business Group	1.93ms from Taipei, TW
203.66.239.2	AS3462Data Communication Business Group	0.94ms from Taipei, TW
203.66.231.7	AS3462Data Communication Business Group	0.68ms from Taipei, TW
203.66.251.5	AS3462Data Communication Business Group	2.26ms from Taipei, TW
203.66.237.93	AS3462Data Communication Business Group	2.25ms from Taipei, TW
203.66.228.5	AS3462Data Communication Business Group	3.31ms from Taichung, TW
203.66.245.180	AS23675Taiwan Semiconductor Manufactoring Company, Ltd.	2.40ms from Taipei, TW
203.66.222.252	AS3462Data Communication Business Group	1.38ms from Taichung, TW
203.66.240.1	AS3462Data Communication Business Group	2.61ms from Taipei, TW
203.66.219.33	AS3462Data Communication Business Group	1.27ms from Taipei, TW

Other Pingable IPs

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


8.137.55.0	AS37963Hangzhou Alibaba Advertising Co.,Ltd.	0.13ms from Chengdu, CN
174.58.131.32	AS7922Comcast Cable Communications, LLC	11.84ms from Chicago, US
117.1.197.0	AS7552Viettel Group	1.70ms from Hanoi, VN
88.157.23.192	AS2860NOS COMUNICACOES, S.A.	6.17ms from Lisbon, PT
90.195.161.64	AS5607Sky UK Limited	3.50ms from London, GB
90.193.9.48	AS5607Sky UK Limited	3.63ms from London, GB
51.132.44.208	AS8075Microsoft Corporation	0.18ms from London, GB
82.45.75.208	AS5089Virgin Media Limited	9.69ms from Manchester, GB
113.120.236.96	AS4134CHINANET BACKBONE	4.96ms from Qingdao, CN
37.0.129.224	AS1257Tele2 Sverige AB	16.06ms from Vilnius, LT

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 -f4 -m8 203.66.174.178

traceroute to 203.66.174.178 (203.66.174.178): 8 hops max, 52 byte packets

4 [AS3491] 63.217.237.29 194.828 ms

5 [AS3462] 211.22.33.166 244.179 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Novosibirsk, RU

On September 3, 2026

Traceroute

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203.66.0.0/16

Summary

Sub-ranges

Important routers in 203.66.0.0/16

Important routers in 203.66.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 203.66.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute

203.66.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 203.66.0.0/16

Important routers in 203.66.0.0/16

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 203.66.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute