187.51.0.0/16

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Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	1
Routers	1,377
Pingable IPs	10,702

Brazil
100.00%


187.51.0.0/24	Brazil100.00%	1	1	0
187.51.1.0/24	Brazil100.00%	1	1	0
187.51.2.0/24	Brazil100.00%	1	1	0
187.51.3.0/24	Brazil100.00%	1	1	0
187.51.4.0/24	Brazil100.00%	1	1	1
187.51.5.0/24	Brazil100.00%	1	1	1
187.51.6.0/24	Brazil100.00%	1	1	0
187.51.7.0/24	Brazil100.00%	1	1	0
187.51.8.0/24	Brazil100.00%	1	1	0
187.51.9.0/24	Brazil100.00%	1	1	0

Sub-ranges

Important routers in 187.51.0.0/16


187.51.127.28	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.76.162	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.76.161	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.203.42	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.82.54	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.54.174	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.205.90	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.236.34	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.178.122	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A
187.51.191.42	São Paulo, Brazil	AS10429TELEFÔNICA BRASIL S.A

Important routers in 187.51.0.0/16

Pingable IPs

10,702 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


187.51.255.117	AS10429TELEFÔNICA BRASIL S.A	0.96ms from Osasco, BR
187.51.245.9	AS10429TELEFÔNICA BRASIL S.A	0.91ms from Osasco, BR
187.51.236.65	AS10429TELEFÔNICA BRASIL S.A	0.92ms from São Paulo, BR
187.51.209.223	AS10429TELEFÔNICA BRASIL S.A	0.69ms from Sao Paulo, BR
187.51.246.102	AS10429TELEFÔNICA BRASIL S.A	1.06ms from Sao Paulo, BR
187.51.208.245	AS10429TELEFÔNICA BRASIL S.A	0.86ms from Sao Paulo, BR
187.51.207.49	AS10429TELEFÔNICA BRASIL S.A	0.91ms from São Paulo, BR
187.51.241.74	AS10429TELEFÔNICA BRASIL S.A	0.94ms from Sao Paulo, BR
187.51.252.117	AS10429TELEFÔNICA BRASIL S.A	1.07ms from Osasco, BR
187.51.229.197	AS10429TELEFÔNICA BRASIL S.A	0.94ms from Sao Paulo, BR

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.


20.110.189.80	AS8075Microsoft Corporation	0.28ms from Boydton, US
45.221.53.0	AS328106UNIWISP	4.97ms from Johannesburg, ZA
108.67.84.0	AS7018AT&T Enterprises, LLC	6.46ms from Kansas City, US
110.144.3.32	AS1221Telstra Limited	1.65ms from Melbourne, AU
133.207.219.0	AS2518BIGLOBE Inc.	6.39ms from Osaka, JP
73.205.117.144	AS7922Comcast Cable Communications, LLC	6.90ms from Pompano Beach, US
4.239.77.64	AS8075Microsoft Corporation	0.21ms from Quebec, CA
88.84.241.16	AS1257Tele2 Sverige AB	3.64ms from Stockholm, SE
124.164.74.112	AS4837CHINA UNICOM China169 Backbone	7.88ms from Taiyuan, CN
175.150.72.112	AS4837CHINA UNICOM China169 Backbone	10.68ms from Tieling, CN

Pingable IPs

Traceroute

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

$ traceroute -a -n -q1 -f7 187.51.55.66

traceroute to 187.51.55.66 (187.51.55.66): 64 hops max, 52 byte packets

7 [AS52320] 45.238.96.98 27.558 ms

8 *

9 *

10 *

11 *

12 [AS10429] 189.56.181.143 28.398 ms

13 [AS10429] 187.51.55.66 28.838 ms

Measurement taken from

IPinfo ProbeNet in Castanhal, BR

On July 13, 2026

Traceroute

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187.51.0.0/16

Summary

Sub-ranges

Important routers in 187.51.0.0/16

Important routers in 187.51.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 187.51.0.0/16

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187.51.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 187.51.0.0/16

Important routers in 187.51.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Statistics

Sub-ranges

Important routers in 187.51.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute