133.73.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	1
Routers	4
Pingable IPs	25

Japan
100.00%


133.73.0.0/24	Japan100.00%	1	1	0
133.73.1.0/24	Japan100.00%	1	1	1
133.73.2.0/24	Japan100.00%	1	1	0
133.73.3.0/24	Japan100.00%	1	1	0
133.73.4.0/24	Japan100.00%	1	1	0
133.73.5.0/24	Japan100.00%	1	1	1
133.73.6.0/24	Japan100.00%	1	1	0
133.73.7.0/24	Japan100.00%	1	1	0
133.73.8.0/24	Japan100.00%	1	1	0
133.73.9.0/24	Japan100.00%	1	1	0

Sub-ranges

Important routers in 133.73.0.0/16


133.73.240.4	Tokyo, Japan	AS2907Research Organization of Information and Systems, National Institute of Informatics
133.73.5.254	Kodaira, Japan	AS2907Research Organization of Information and Systems, National Institute of Informatics
133.73.1.252	Itami, Japan	AS2907Research Organization of Information and Systems, National Institute of Informatics
133.73.240.37	Kodaira, Japan	AS2907Research Organization of Information and Systems, National Institute of Informatics

Important routers in 133.73.0.0/16

Pingable IPs

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


133.73.240.1	AS2907Research Organization of Information and Systems, National Institute of Informatics	1.88ms from Tokyo, JP

Other Pingable IPs

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


20.161.188.128	AS8075Microsoft Corporation	0.64ms from Boydton, US
117.24.65.96	AS4134CHINANET BACKBONE	5.50ms from Fuzhou, CN
106.52.238.176	AS45090Shenzhen Tencent Computer Systems Company Limited	1.27ms from Guangzhou, CN
92.20.231.144	AS13285TalkTalk Communications Limited	4.16ms from London, GB
222.217.80.128	AS4134CHINANET BACKBONE	6.82ms from Nanning, CN
20.172.28.192	AS8075Microsoft Corporation	0.21ms from Phoenix, US
209.253.215.80	AS7029Windstream Communications LLC	0.52ms from Atlanta, US
106.51.65.0	AS24309Atria Convergence Technologies Pvt. Ltd. Broadband Internet Service Provider INDIA	1.59ms from Bengaluru, IN
75.251.90.96	AS6167Verizon Business	18.57ms from Boca Raton, US
70.59.8.80	AS209CenturyLink Communications, LLC	2.12ms from Denver, 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 -f2 -m17 133.73.19.159

traceroute to 133.73.19.159 (133.73.19.159): 17 hops max, 52 byte packets

2 [AS174] 149.14.92.105 5.034 ms

3 [AS174] 154.54.58.201 4.726 ms

4 [AS174] 154.54.77.246 10.746 ms

5 [AS174] 154.54.44.162 80.766 ms

6 [AS174] 154.54.41.205 87.665 ms

7 [AS174] 154.54.82.253 141.997 ms

8 [AS174] 154.54.160.238 141.096 ms

9 [AS174] 38.104.126.85 140.856 ms

10 [AS2497] 58.138.88.229 235.917 ms

11 [AS2497] 58.138.112.107 238.49 ms

12 [AS2497] 202.232.6.18 240.219 ms

13 [AS2907] 150.99.9.124 237.371 ms

14 [AS2907] 150.99.181.174 231.48 ms

15 *

16 *

17 *

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On August 15, 2026

Traceroute

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133.73.0.0/16

Summary

Sub-ranges

Important routers in 133.73.0.0/16

Important routers in 133.73.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 133.73.0.0/16

Pingable IPs

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Traceroute

133.73.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 133.73.0.0/16

Important routers in 133.73.0.0/16

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 133.73.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute