121.18.129.0/24

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Summary

IP address summary information
ASN	AS4837 — CHINA UNICOM China169 Backbone
BGP Prefix	121.16.0.0/13
Pingable IPs	44
Routers	0


121.18.129.0	hebei.18.121.in-addr.arpa
121.18.129.1	hebei.18.121.in-addr.arpa	Ping
121.18.129.2	hebei.18.121.in-addr.arpa
121.18.129.3	hebei.18.121.in-addr.arpa
121.18.129.4	hebei.18.121.in-addr.arpa
121.18.129.5	hebei.18.121.in-addr.arpa
121.18.129.6	hebei.18.121.in-addr.arpa
121.18.129.7	hebei.18.121.in-addr.arpa
121.18.129.8	hebei.18.121.in-addr.arpa
121.18.129.9	hebei.18.121.in-addr.arpa	Ping
121.18.129.10	hebei.18.121.in-addr.arpa
121.18.129.11	hebei.18.121.in-addr.arpa
121.18.129.12	hebei.18.121.in-addr.arpa
121.18.129.13	hebei.18.121.in-addr.arpa
121.18.129.14	hebei.18.121.in-addr.arpa

Traceroute

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

$ traceroute -a -n -q1 -f9 121.18.129.121

traceroute to 121.18.129.121 (121.18.129.121): 64 hops max, 52 byte packets

9 [AS45102] 116.251.115.61 8.071 ms

10 [AS4837] 61.55.133.141 12.493 ms

11 [AS4837] 202.99.167.45 55.932 ms

12 [AS4837] 61.182.171.34 10.75 ms

13 [AS4837] 121.18.129.121 8.635 ms

Measurement taken from

IPinfo ProbeNet in Beijing, CN

On July 21, 2026

Traceroute

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121.18.129.0/24

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121.18.129.0/24

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