138.255.178.0/23

AS263979 · CYBERNETRS LTDA - ME

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Summary

Country	Brazil
Domain	cybernetrs.com.br
ASN	AS263979
Registry	LACNIC
ID	ROS149

WHOIS Details

inetnum:     138.255.176.0/22
aut-num:     AS263979
abuse-c:     ROSIL1544
owner:       CYBERNETRS LTDA - ME
ownerid:     12.305.644/0001-77
responsible: Robson da silva
country:     BR
owner-c:     ROSIL1544
tech-c:      ROSIL1544
inetrev:     138.255.176.0/22
nserver:     ns1.cybernetrs.com.br [lame - not published]
nsstat:      20231106 QREFUSED
nslastaa:    20160801
nserver:     ns2.cybernetrs.com.br [lame - not published]
nsstat:      20231106 ERR
nslastaa:    20160801
created:     20150903
changed:     20160801

nic-hdl-br:  ROSIL1544
person:      Robson da silva
e-mail:      financeiro@cybernetrs.com.br
country:     BR
created:     20160620
changed:     20231101

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
138.255.179.179	AS263979 CYBERNETRS LTDA - ME	`0.68ms` from Porto Alegre, BR
138.255.178.6	AS263979 CYBERNETRS LTDA - ME	`0.69ms` from Porto Alegre, BR

Other Pingable IPs

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

IP Address	ASN	Details
108.232.153.231	AS7018 AT&T Enterprises, LLC	`1.70ms` from Atlanta, US
77.11.64.167	AS6805 Telefonica Germany GmbH & Co.OHG	`3.13ms` from Berlin, DE
75.180.216.103	AS11426 Charter Communications Inc	`8.41ms` from Charlotte, US
91.178.199.71	AS5432 Proximus NV	`5.88ms` from Gravelines, FR
72.134.162.231	AS20001 Charter Communications Inc	`6.01ms` from Los Angeles, US
47.159.170.183	AS5650 Frontier Communications of America, Inc.	`3.54ms` from Los Angeles, US
109.248.14.23	AS35048 Biterika Group LLC	`0.38ms` from Moscow, RU
60.154.68.167	AS17676 SoftBank Corp.	`3.72ms` from Osaka, JP
3.225.100.231	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
201.17.189.167	AS28573 Claro NXT Telecomunicacoes Ltda	`15.07ms` from Rio de Janeiro, BR
201.68.102.103	AS27699 TELEFÔNICA BRASIL S.A	`2.76ms` from Sao Paulo, BR
110.164.122.183	AS45758 Triple T Broadband Public Company Limited	`6.76ms` from Bangkok, TH
80.132.215.7	AS3320 Deutsche Telekom AG	`3.82ms` from Frankfurt am Main, DE
85.220.46.23	AS6677 Mila hf	`1.16ms` from Hafnarfjoerdur, IS
83.245.186.215	AS719 Elisa Oyj	`0.65ms` from Helsinki, FI
63.204.191.231	AS7018 AT&T Enterprises, LLC	`2.36ms` from Los Angeles, US
88.173.196.167	AS12322 Free SAS	`2.79ms` from Paris, FR
20.169.12.103	AS8075 Microsoft Corporation	`0.27ms` from Phoenix, US
128.193.121.7	AS4201 Oregon State University	`2.80ms` from Portland, US
201.42.195.231	AS27699 TELEFÔNICA BRASIL S.A	`1.52ms` from Sao Paulo, BR
219.141.242.247	AS4847 China Networks Inter-Exchange	`2.56ms` from Tianjin, CN
122.252.225.55	AS24186 RailTel Corporation of India Ltd	`1.53ms` from Chennai, IN
104.142.181.167	AS33353 Sony Interactive Entertainment LLC	`0.30ms` from Frankfurt am Main, DE
223.7.98.71	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.50ms` from Hangzhou, CN
178.35.58.23	AS12389 PJSC Rostelecom	`11.79ms` from Krasnodar, RU

Traceroute

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

traceroute -a -n -q1 138.255.178.29

traceroute to 138.255.178.29 (138.255.178.29): 64 hops max, 52 byte packets

1 [AS15169] 108.170.228.30 140.271 ms

2 *

3 [AS263979] 138.255.178.29 145.772 ms

Measurement taken from

IPinfo ProbeNet in Toronto, CA

On August 28th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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