121.50.57.0/24

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Summary

IP address summary information
ASN	AS10006 — SECOM Trust Systems Co.,Ltd.
BGP Prefix	121.50.57.0/24
Pingable IPs	87
Routers	3


121.50.57.0	—	0
121.50.57.1	kids.tokyo-shoseki.co.jp	0
121.50.57.2	touken.tokyo-shoseki.co.jp	0
121.50.57.3	—	0
121.50.57.4	www.edufront.co.jp	0
121.50.57.5	—	0
121.50.57.6	ten.tokyo-shoseki.co.jp	0
121.50.57.7	shop.tokyo-shoseki.co.jp	0
121.50.57.8	—	0
121.50.57.9	—	0
121.50.57.10	www.nihongokentei.jp	0
121.50.57.11	pmon.tokyo-shoseki.co.jp	0
121.50.57.12	—	0
121.50.57.13	mobile.tokyo-shoseki.co.jp	0
121.50.57.14	tablet.tokyo-shoseki.co.jp	0

Traceroute

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

$ traceroute -a -n -q1 -f6 121.50.57.133

traceroute to 121.50.57.133 (121.50.57.133): 64 hops max, 52 byte packets

6 [AS10006] 165.100.239.6 1.271 ms

7 [AS10006] 165.100.0.58 1.101 ms

8 [AS10006] 121.50.57.133 1.456 ms

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On July 22, 2026

Traceroute

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121.50.57.0/24

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121.50.57.0/24

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