201.23.51.0/24

AS272710 · FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A.

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Summary

Country	Brazil
Domain	azure-dns.net
ASN	AS272710
Registry	LACNIC
ID	FIS22

WHOIS Details

% Copyright (c) Nic.br - Use of this data is governed by the Use and

inetnum:     201.23.32.0/19
aut-num:     AS272710
abuse-c:     CORFI9
owner:       FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A.
ownerid:     36.619.747/0001-70
responsible: Atila Araujo Branco
owner-c:     FIFOS
tech-c:      ENRFI8
inetrev:     201.23.44.0/24
nserver:     ns1-02.azure-dns.com
nsstat:      20260124 AA
nslastaa:    20260124
nserver:     ns2-02.azure-dns.net
nsstat:      20260124 AA
nslastaa:    20260124
nserver:     ns3-02.azure-dns.org
nsstat:      20260124 AA
nslastaa:    20260124
nserver:     ns4-02.azure-dns.info
nsstat:      20260124 AA
nslastaa:    20260124
created:     20050214
changed:     20230213

nic-hdl-br:  FIFOS
person:      FiBrasil Infraestrutura e Fibra �tica SA
created:     20210723
changed:     20240830

nic-hdl-br:  CORFI9
person:      Centro de Opera��es de Rede  FiBrasil
created:     20220803
changed:     20220803

nic-hdl-br:  ENRFI8
person:      Engenharia de Rede FiBrasil
created:     20230210
changed:     20230213

Nearby Ranges

BGP prefixes that overlap with 201.23.0.0/16

Range	ASN	Company	Num of IPs
201.23.224.0/19	AS21571	MLS Wireless S/A	8,192
201.23.160.0/19	AS22085	Claro S/A	8,192
201.23.128.0/19	AS22689	SERCOMTEL S/A TELECOMUNICACOES	8,192
201.23.96.0/19	AS28590	Directnet Prestacao de Servicos Ltda.	8,192
201.23.192.0/20	AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	4,096

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

Read more

Pingable IPs

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

IP Address	ASN	Details
201.23.51.0	AS272710 FIBRASIL INFRAESTRUTURA E FIBRA OTICA S.A.	`0.24ms` from Osasco, 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
92.99.151.232	AS5384 Emirates Internet	`4.13ms` from Al Fujairah City, AE
23.96.13.72	AS8075 Microsoft Corporation	`0.43ms` from Ashburn, US
91.49.167.152	AS3320 Deutsche Telekom AG	`4.38ms` from Duesseldorf, DE
73.18.95.88	AS7922 Comcast Cable Communications, LLC	`12.93ms` from Flint, US
198.54.207.120	AS5734 Telkom SA Ltd.	`3.04ms` from Johannesburg, ZA
119.159.241.200	AS17557 Pakistan Telecommunication Company Limited	`1.62ms` from Karachi, PK
212.131.100.216	AS3269 Telecom Italia S.p.A.	`4.12ms` from Milan, IT
37.41.222.24	AS28885 OmanTel NAP	`3.10ms` from Muscat, OM
69.121.246.88	AS6128 Cablevision Systems Corp.	`7.38ms` from New York City, US
82.57.92.8	AS3269 Telecom Italia S.p.A.	`5.09ms` from Rome, IT
67.188.64.200	AS7922 Comcast Cable Communications, LLC	`5.46ms` from Santa Clara, US
211.199.221.8	AS4766 Korea Telecom	`2.65ms` from Seoul, KR
39.108.162.40	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.75ms` from Shenzhen, CN
123.208.6.232	AS135887 Belong (Telstra Limited)	`3.62ms` from Sydney, AU
173.236.218.152	AS26347 New Dream Network, LLC	`0.30ms` from Ashburn, US
181.121.58.24	AS23201 Telecel S.A.	`8.22ms` from Asuncion, PY
117.242.104.216	AS9829 National Internet Backbone	`12.57ms` from Bengaluru, IN
179.86.90.24	AS26599 TELEFÔNICA BRASIL S.A	`3.76ms` from Brasilia, BR
107.11.186.200	AS10796 Charter Communications Inc	`12.86ms` from Cleveland, US
37.201.160.136	AS3209 Vodafone GmbH	`8.46ms` from Frankfurt am Main, DE
172.66.133.248	AS13335 Cloudflare, Inc.	`0.11ms` from Lisbon, PT
217.234.232.136	AS3320 Deutsche Telekom AG	`2.86ms` from Nuernberg, DE
49.194.247.24	AS4804 Microplex PTY LTD	`2.34ms` from Perth, AU
66.85.171.232	AS20454 SECURED SERVERS LLC	`0.28ms` from Phoenix, US
123.132.244.40	AS4837 CHINA UNICOM China169 Backbone	`7.84ms` from Qingdao, CN

Traceroute

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

traceroute -a -n -q1 201.23.51.0

traceroute to 201.23.51.0 (201.23.51.0): 64 hops max, 52 byte packets

1 [AS7195] 200.25.57.67 0.115 ms

2 [AS7195] 200.25.51.246 0.122 ms

3 [AS7195] 200.25.58.91 0.505 ms

4 [AS23106] 186.248.103.178 0.976 ms

5 [AS272710] 201.23.51.0 0.219 ms

Measurement taken from

IPinfo ProbeNet in Osasco, BR

On January 19th 2026

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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