138.97.128.0/23

AS267442 · CRISTIANO HOLDEFER & CIA LTDA - ME

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Summary

Country	Brazil
Domain	optainternet.com.br
ASN	AS267442
Registry	LACNIC
ID	CAC281

WHOIS Details

inetnum:     138.97.129.0/24
aut-num:     AS267442
abuse-c:     CRHOL50
owner:       OPTA INTERNET VIA FIBRA LTDA
ownerid:     37.305.958/0001-09
responsible: charles atanael colombo
country:     BR
owner-c:     VISIL679
tech-c:      VISIL679
created:     20220518
changed:     20220518
inetnum-up:  138.97.128.0/22

nic-hdl-br:  VISIL679
person:      vilmar da silva
e-mail:      vilmarj12@gmail.com
country:     BR
created:     20200909
changed:     20220330

nic-hdl-br:  CRHOL50
person:      Cristiano Holdefer
e-mail:      cristianoholdeferpn@gmail.com
country:     BR
created:     20170105
changed:     20190828

Hosted domains

There are 2 domain names hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
138.97.129.2	AS267442 CRISTIANO HOLDEFER & CIA LTDA - ME	`1.76ms` from Curitiba, BR
138.97.128.20	AS267442 CRISTIANO HOLDEFER & CIA LTDA - ME	`1.80ms` from Curitiba, 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
66.198.12.135	AS6453 TATA COMMUNICATIONS (AMERICA) INC	`0.13ms` from Ashburn, US
96.231.250.39	AS701 Verizon Business	`2.61ms` from Ashburn, US
73.237.26.135	AS7922 Comcast Cable Communications, LLC	`4.98ms` from Atlanta, US
196.202.11.167	AS8452 TE-AS	`6.62ms` from Cairo, EG
47.188.100.71	AS5650 Frontier Communications of America, Inc.	`1.93ms` from Dallas, US
91.137.80.23	AS204672 Stadtwerke Rhede GmbH	`2.46ms` from Duesseldorf, DE
79.222.25.135	AS3320 Deutsche Telekom AG	`3.05ms` from Duesseldorf, DE
88.73.220.135	AS3209 Vodafone GmbH	`6.93ms` from Frankfurt am Main, DE
95.114.191.71	AS6805 Telefonica Germany GmbH & Co.OHG	`10.71ms` from Frankfurt am Main, DE
35.228.198.135	AS396982 Google LLC	`0.14ms` from Hamina, FI
86.184.181.55	AS2856 British Telecommunications PLC	`4.32ms` from London, GB
162.243.161.135	AS14061 DigitalOcean, LLC	`0.23ms` from New York City, US
18.208.250.215	AS14618 Amazon.com, Inc.	`0.47ms` from Reston, US
94.142.4.151	AS12389 PJSC Rostelecom	`1.38ms` from Saint Petersburg, RU
52.190.189.135	AS8075 Microsoft Corporation	`0.55ms` from San Jose, US
210.117.48.231	AS9318 SK Broadband Co Ltd	`1.44ms` from Seoul, KR
175.125.237.119	AS9318 SK Broadband Co Ltd	`1.56ms` from Seoul, KR
124.238.12.167	AS4134 CHINANET-BACKBONE	`7.15ms` from Taiyuan, CN
115.190.132.119	AS137718 Beijing Volcano Engine Technology Co., Ltd.	`5.42ms` from Tianjin, CN
3.166.214.183	AS16509 Amazon.com, Inc.	`0.16ms` from Tokyo, JP
126.116.133.151	AS17676 SoftBank Corp.	`3.67ms` from Tokyo, JP
84.206.74.87	AS31581 National Infocommunications Service Company Limited by Shares	`10.51ms` from Vienna, AT
190.51.203.247	AS22927 Telefonica de Argentina	`2.02ms` from Buenos Aires, AR
204.16.136.135	AS16391 Celito Communications Inc.	`1.38ms` from Durham, US
90.221.244.231	AS5607 Sky UK Limited	`3.55ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f3 138.97.129.113

traceroute to 138.97.129.113 (138.97.129.113): 64 hops max, 52 byte packets

3 [] 206.82.104.128 153.166 ms

4 *

5 *

6 *

7 [AS267442] 138.97.129.113 161.868 ms

Measurement taken from

IPinfo ProbeNet in Hackensack, US

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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