173.21.1.0/24

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Summary

IP address summary information
ASN	AS30036 — Mediacom Communications Corp
BGP Prefix	173.21.0.0/21
Pingable IPs	183
Routers	0


173.21.1.0	173-21-1-0.client.mchsi.com
173.21.1.1	173-21-1-1.client.mchsi.com	Ping
173.21.1.2	173-21-1-2.client.mchsi.com	Ping
173.21.1.3	173-21-1-3.client.mchsi.com	Ping
173.21.1.4	173-21-1-4.client.mchsi.com	Ping
173.21.1.5	173-21-1-5.client.mchsi.com
173.21.1.6	173-21-1-6.client.mchsi.com	Ping
173.21.1.7	173-21-1-7.client.mchsi.com	Ping
173.21.1.8	173-21-1-8.client.mchsi.com	Ping
173.21.1.9	173-21-1-9.client.mchsi.com	Ping
173.21.1.10	173-21-1-10.client.mchsi.com	Ping
173.21.1.11	173-21-1-11.client.mchsi.com	Ping
173.21.1.12	173-21-1-12.client.mchsi.com
173.21.1.13	173-21-1-13.client.mchsi.com	Ping
173.21.1.14	173-21-1-14.client.mchsi.com	Ping

Traceroute

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

$ traceroute -a -n -q1 173.21.1.186

traceroute to 173.21.1.186 (173.21.1.186): 64 hops max, 52 byte packets

1 [AS50613] 37.235.49.2 140.526 ms

2 [AS30036] 173.21.1.186 131.696 ms

Measurement taken from

IPinfo ProbeNet in Hafnarfjoerdur, IS

On August 7, 2026

Traceroute

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173.21.1.0/24

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Traceroute

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173.21.1.0/24

Summary

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