172.123.39.0/24

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Summary

IP address summary information
ASN	AS2497 — Internet Initiative Japan Inc.
BGP Prefix	172.122.0.0/15
Pingable IPs	6
Routers	0


172.123.39.0	0.39.123.172.rev.iijmobile.jp	0
172.123.39.1	1.39.123.172.rev.iijmobile.jp	0
172.123.39.2	2.39.123.172.rev.iijmobile.jp	0
172.123.39.3	3.39.123.172.rev.iijmobile.jp	0
172.123.39.4	4.39.123.172.rev.iijmobile.jp	0
172.123.39.5	5.39.123.172.rev.iijmobile.jp	0
172.123.39.6	6.39.123.172.rev.iijmobile.jp	0
172.123.39.7	7.39.123.172.rev.iijmobile.jp	0
172.123.39.8	8.39.123.172.rev.iijmobile.jp	0
172.123.39.9	9.39.123.172.rev.iijmobile.jp	0
172.123.39.10	10.39.123.172.rev.iijmobile.jp	0
172.123.39.11	11.39.123.172.rev.iijmobile.jp	0
172.123.39.12	12.39.123.172.rev.iijmobile.jp	0
172.123.39.13	13.39.123.172.rev.iijmobile.jp	0
172.123.39.14	14.39.123.172.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 172.123.39.197

traceroute to 172.123.39.197 (172.123.39.197): 64 hops max, 52 byte packets

3 [] 195.66.225.237 9.009 ms

4 [AS2497] 58.138.83.178 184.809 ms

5 [AS2497] 58.138.88.97 311.762 ms

6 [AS2497] 133.142.196.50 306.707 ms

7 *

8 *

9 [AS2497] 172.123.39.197 497.708 ms

Measurement taken from

IPinfo ProbeNet in Paris, FR

On June 18, 2026

Traceroute

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172.123.39.0/24

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172.123.39.0/24

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