121.203.138.0/24

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Summary

IP address summary information
ASN	AS17924 — SmarTone Mobile Communications Ltd
BGP Prefix	121.203.128.0/18
Pingable IPs	4
Routers	0


121.203.138.0	m121-203-138-0.smartone.com	0
121.203.138.1	m121-203-138-1.smartone.com	0
121.203.138.2	m121-203-138-2.smartone.com	0
121.203.138.3	m121-203-138-3.smartone.com	0
121.203.138.4	m121-203-138-4.smartone.com	0
121.203.138.5	m121-203-138-5.smartone.com	0
121.203.138.6	m121-203-138-6.smartone.com	0
121.203.138.7	m121-203-138-7.smartone.com	0
121.203.138.8	m121-203-138-8.smartone.com	0
121.203.138.9	m121-203-138-9.smartone.com	0
121.203.138.10	m121-203-138-10.smartone.com	0
121.203.138.11	m121-203-138-11.smartone.com	0
121.203.138.12	m121-203-138-12.smartone.com	0
121.203.138.13	m121-203-138-13.smartone.com	0
121.203.138.14	m121-203-138-14.smartone.com	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 121.203.138.210

traceroute to 121.203.138.210 (121.203.138.210): 64 hops max, 52 byte packets

3 [] 36.255.57.107 1.328 ms

4 *

5 *

6 *

7 [AS17924] 121.203.138.210 19.654 ms

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On August 28, 2026

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121.203.138.0/24

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121.203.138.0/24

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