173.251.66.0/24

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Summary

IP address summary information
ASN	AS6128 — Cablevision Systems Corp.
BGP Prefix	173.251.0.0/17
Pingable IPs	47
Routers	7


173.251.66.0	adfb4200.cst.lightpath.net
173.251.66.1	adfb4201.cst.lightpath.net
173.251.66.2	adfb4202.cst.lightpath.net	Ping
173.251.66.3	adfb4203.cst.lightpath.net
173.251.66.4	adfb4204.cst.lightpath.net
173.251.66.5	adfb4205.cst.lightpath.net
173.251.66.6	adfb4206.cst.lightpath.net
173.251.66.7	adfb4207.cst.lightpath.net
173.251.66.8	adfb4208.cst.lightpath.net
173.251.66.9	adfb4209.cst.lightpath.net	Ping
173.251.66.10	adfb420a.cst.lightpath.net	Ping
173.251.66.11	adfb420b.cst.lightpath.net	Ping
173.251.66.12	adfb420c.cst.lightpath.net	Ping
173.251.66.13	adfb420d.cst.lightpath.net
173.251.66.14	adfb420e.cst.lightpath.net

Traceroute

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

$ traceroute -a -n -q1 -f5 173.251.66.18

traceroute to 173.251.66.18 (173.251.66.18): 64 hops max, 52 byte packets

5 [AS6128] 64.15.1.158 2.407 ms

6 [AS6128] 64.15.3.145 2.397 ms

7 [AS6128] 173.251.66.17 4.985 ms

8 [AS6128] 173.251.66.18 4.603 ms

Measurement taken from

IPinfo ProbeNet in New York City, US

On July 12, 2026

Traceroute

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173.251.66.0/24

Summary

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173.251.66.0/24

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