133.237.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	3
Routers	95
Pingable IPs	6,769

Japan
100.00%


133.237.0.0/24	Japan100.00%	1	1	2
133.237.1.0/24	Japan100.00%	1	1	0
133.237.2.0/24	Japan100.00%	1	1	0
133.237.3.0/24	Japan100.00%	1	1	0
133.237.4.0/24	Japan100.00%	1	1	0
133.237.5.0/24	Japan100.00%	1	1	0
133.237.6.0/24	Japan100.00%	1	1	0
133.237.7.0/24	Japan100.00%	1	1	0
133.237.8.0/24	Japan100.00%	1	1	0
133.237.9.0/24	Japan100.00%	1	1	0

Sub-ranges

Important routers in 133.237.0.0/16


133.237.247.0	Tokyo, Japan	AS23820Rakuten Group, Inc.
133.237.247.2	Tokyo, Japan	AS23820Rakuten Group, Inc.
133.237.190.252	Tokyo, Japan	AS23820Rakuten Group, Inc.
133.237.190.251	Tokyo, Japan	AS23820Rakuten Group, Inc.
133.237.134.252	Tokyo, Japan	AS23820Rakuten Group, Inc.
133.237.134.251	Tokyo, Japan	AS23820Rakuten Group, Inc.
133.237.154.251	Osaka, Japan	AS23820Rakuten Group, Inc.
133.237.154.252	Osaka, Japan	AS23820Rakuten Group, Inc.
133.237.247.6	Tokyo, Japan	AS23820Rakuten Group, Inc.
133.237.247.8	Tokyo, Japan	AS23820Rakuten Group, Inc.

Important routers in 133.237.0.0/16

Pingable IPs

6,769 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


133.237.47.2	AS23820Rakuten Group, Inc.	1.41ms from Tokyo, JP
133.237.92.188	AS23820Rakuten Group, Inc.	2.52ms from Osaka, JP
133.237.32.56	AS23820Rakuten Group, Inc.	1.59ms from Tokyo, JP
133.237.69.239	AS23820Rakuten Group, Inc.	1.38ms from Tokyo, JP
133.237.135.181	AS23820Rakuten Group, Inc.	1.36ms from Tokyo, JP
133.237.68.8	AS23820Rakuten Group, Inc.	1.41ms from Tokyo, JP
133.237.39.253	AS23820Rakuten Group, Inc.	1.75ms from Tokyo, JP
133.237.109.166	AS23820Rakuten Group, Inc.	1.34ms from Tokyo, JP
133.237.0.61	AS23820Rakuten Group, Inc.	1.78ms from Tokyo, JP
133.237.132.58	AS23820Rakuten Group, Inc.	1.32ms 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.


70.191.231.144	AS22773Cox Communications Inc.	19.61ms from Atlanta, US
65.82.151.128	AS6389AT&T Enterprises, LLC	10.50ms from Atlanta, US
82.157.3.144	AS45090Shenzhen Tencent Computer Systems Company Limited	1.73ms from Beijing, CN
89.12.51.64	AS6805Telefonica Germany GmbH & Co.OHG	4.28ms from Berlin, DE
51.141.12.112	AS8075Microsoft Corporation	0.15ms from Cardiff, GB
76.16.174.240	AS7922Comcast Cable Communications, LLC	5.91ms from Chicago, US
34.185.243.64	AS396982Google LLC	0.10ms from Frankfurt am Main, DE
23.44.8.176	AS20940Akamai International B.V.	0.56ms from Hong Kong, HK
86.134.36.160	AS2856British Telecommunications Limited	4.48ms from London, GB
154.60.32.160	AS174Cogent Communications, LLC	0.50ms from Madrid, ES

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 133.237.141.209

traceroute to 133.237.141.209 (133.237.141.209): 64 hops max, 52 byte packets

3 [] 210.173.176.15 1.415 ms

4 [AS23820] 202.72.49.105 0.615 ms

5 [AS23820] 202.72.48.172 1.758 ms

6 [AS23820] 202.72.49.57 2.575 ms

7 [AS23820] 133.237.247.0 1.538 ms

8 [AS23820] 133.237.141.209 1.941 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On July 12, 2026

Traceroute

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133.237.0.0/16

Summary

Sub-ranges

Important routers in 133.237.0.0/16

Important routers in 133.237.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 133.237.0.0/16

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Traceroute

133.237.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 133.237.0.0/16

Important routers in 133.237.0.0/16

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 133.237.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute