191.37.131.0/24

AS263359 · Cybertech Informática LTDA

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Summary

Country	Brazil
Domain	cybertech.inf.br
ASN	AS263359
Parent Range	191.37.128.0/21
Registry	LACNIC
ID	CAR74

WHOIS Details

inetnum:     191.37.128.0/21
aut-num:     AS263359
abuse-c:     CLARO
owner:       CyberTech Informática Ltda.
ownerid:     03.860.827/0001-63
responsible: Nelson Barros Ferreira Jr.
country:     BR
owner-c:     CLARO
tech-c:      CLARO
inetrev:     191.37.128.0/21
nserver:     ns1.cybertechnet.net.br
nsstat:      20211214 AA
nslastaa:    20211214
nserver:     ns2.cybertechnet.net.br
nsstat:      20211214 AA
nslastaa:    20211214
created:     20140319
changed:     20140319

nic-hdl-br:  CLARO
person:      Cleverson Antonio Rozanski
e-mail:      cleverson@cybertech.inf.br
country:     BR
created:     20061024
changed:     20190823

Overlapping Ranges

BGP prefixes that contain 191.37.131.0/24

Range	ASN	Company	Num of IPs
191.37.128.0/21	AS263359	CyberTech Informática Ltda.	2,048

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
174.77.253.24	AS22773 Cox Communications Inc.	`2.98ms` from Boston, US
129.28.198.88	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.22ms` from Chongqing, CN
142.67.238.136	AS11260 EastLink	`9.62ms` from Halifax, CA
104.148.222.24	AS6128 Cablevision Systems Corp.	`7.67ms` from New York City, US
60.152.243.8	AS17676 SoftBank Corp.	`3.69ms` from Osaka, JP
218.44.156.40	AS4713 NTT Communications Corporation	`7.97ms` from Osaka, JP
88.166.88.136	AS12322 Free SAS	`8.54ms` from Paris, FR
88.127.228.200	AS12322 Free SAS	`10.28ms` from Paris, FR
34.195.241.88	AS14618 Amazon.com, Inc.	`0.15ms` from Reston, US
52.123.197.56	AS8075 Microsoft Corporation	`0.66ms` from San Antonio, US
203.228.76.136	AS4766 Korea Telecom	`5.52ms` from Seoul, KR
175.247.64.72	AS4766 Korea Telecom	`4.27ms` from Seoul, KR
14.75.157.232	AS4766 Korea Telecom	`8.65ms` from Seoul, KR
170.9.78.136	AS31898 Oracle Corporation	`1.66ms` from Singapore, SG
36.226.139.152	AS3462 Data Communication Business Group	`1.25ms` from Taipei, TW
126.115.198.104	AS17676 SoftBank Corp.	`4.14ms` from Tokyo, JP
89.69.243.232	AS9141 P4 Sp. z o.o.	`5.62ms` from Warsaw, PL
71.120.234.88	AS701 Verizon Business	`9.06ms` from Ashburn, US
86.124.76.152	AS8708 DIGI ROMANIA S.A.	`0.88ms` from Bucharest, RO
14.152.16.56	AS4134 CHINANET-BACKBONE	`6.89ms` from Guangzhou, CN
43.157.223.120	AS132203 Tencent Building, Kejizhongyi Avenue	`1.32ms` from Jakarta, ID
212.140.124.72	AS2856 British Telecommunications PLC	`4.67ms` from London, GB
38.211.56.8	AS273253 LORENA LORENZA BAÑUELOS RODRIGUEZ	`13.06ms` from Miami, US
125.199.167.232	AS2518 BIGLOBE Inc.	`4.21ms` from Osaka, JP
177.67.189.120	AS52670 DIGITAL FIBRA OPTICA - EIRELI	`14.35ms` from Osasco, BR

Traceroute

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

traceroute -a -n -q1 -f3 -m6 191.37.131.183

traceroute to 191.37.131.183 (191.37.131.183): 6 hops max, 52 byte packets

3 [AS8449] 212.42.98.185 0.4 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Bishkek, KG

On September 4th 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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