133.142.123.0/24

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Summary

IP address summary information
ASN	AS2497 — Internet Initiative Japan Inc.
BGP Prefix	133.142.0.0/16
Pingable IPs	11
Routers	0


133.142.123.0	0.123.142.133.rev.iijmobile.jp	0
133.142.123.1	1.123.142.133.rev.iijmobile.jp	0
133.142.123.2	2.123.142.133.rev.iijmobile.jp	0
133.142.123.3	3.123.142.133.rev.iijmobile.jp	0
133.142.123.4	4.123.142.133.rev.iijmobile.jp	0
133.142.123.5	5.123.142.133.rev.iijmobile.jp	0
133.142.123.6	6.123.142.133.rev.iijmobile.jp	0
133.142.123.7	7.123.142.133.rev.iijmobile.jp	0
133.142.123.8	8.123.142.133.rev.iijmobile.jp	0
133.142.123.9	9.123.142.133.rev.iijmobile.jp	0
133.142.123.10	10.123.142.133.rev.iijmobile.jp	0
133.142.123.11	11.123.142.133.rev.iijmobile.jp	0
133.142.123.12	12.123.142.133.rev.iijmobile.jp	0
133.142.123.13	13.123.142.133.rev.iijmobile.jp	0
133.142.123.14	14.123.142.133.rev.iijmobile.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 -f3 133.142.123.199

traceroute to 133.142.123.199 (133.142.123.199): 64 hops max, 52 byte packets

3 [AS6939] 184.105.213.157 1.122 ms

4 [AS2497] 216.98.106.129 1.795 ms

5 [AS2497] 58.138.84.181 116.912 ms

6 [AS2497] 210.130.16.139 116.57 ms

7 [AS2497] 220.100.254.173 118.203 ms

8 *

9 [AS2497] 133.142.123.199 540.854 ms

Measurement taken from

IPinfo ProbeNet in Fremont, US

On August 20, 2026

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133.142.123.0/24

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133.142.123.0/24

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