177.66.56.0/23

AS28198 · SEMPRE TELECOMUNICACOES LTDA

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Summary

Country	Brazil
Domain	sempre.tec.br
ASN	AS28198
Parent Range	177.66.56.0/21
Registry	LACNIC
ID	FRB68

WHOIS Details

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

inetnum:     177.66.56.0/21
aut-num:     AS28198
abuse-c:     SOSIN30
owner:       SEMPRE TELECOMUNICACOES LTDA
ownerid:     24.605.227/0001-29
responsible: F�bio Rog�rio Baia
country:     BR
owner-c:     FARBA207
tech-c:      SENOC7
inetrev:     177.66.56.0/24
nserver:     ns1.sempre.tec.br
nsstat:      20250911 AA
nslastaa:    20250911
nserver:     ns2.sempre.tec.br
nsstat:      20250911 AA
nslastaa:    20250911
created:     20120723
changed:     20210706

nic-hdl-br:  FARBA207
person:      FABIO ROGERIO BAIA
e-mail:      fabio.baia@sempre.net.br
country:     BR
created:     20250226
changed:     20250226

nic-hdl-br:  SENOC7
person:      Sempre NOC
e-mail:      noc@sempre.net.br
country:     BR
created:     20210520
changed:     20250621

nic-hdl-br:  SOSIN30
person:      SOC SEMPRE INTERNET
e-mail:      soc@sempre.net.br
country:     BR
created:     20221123
changed:     20221123

Overlapping Ranges

BGP prefixes that contain 177.66.56.0/23

Range	ASN	Company	Num of IPs
177.66.56.0/21	AS28198	SEMPRE TELECOMUNICACOES 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

Read more

Pingable IPs

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

IP Address	ASN	Details
177.66.57.11	AS28198 SEMPRE TELECOMUNICACOES LTDA	`5.24ms` from Osasco, BR
177.66.56.76	AS28198 SEMPRE TELECOMUNICACOES LTDA	`5.34ms` 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
77.165.108.247	AS1136 KPN B.V.	`1.22ms` from Amsterdam, NL
20.80.194.103	AS8075 Microsoft Corporation	`0.16ms` from Boydton, US
88.228.77.39	AS47331 TTNet A.S.	`7.50ms` from Bursa, TR
40.176.132.199	AS16509 Amazon.com, Inc.	`1.93ms` from Calgary, CA
12.176.101.183	AS7018 AT&T Enterprises, LLC	`15.45ms` from Chicago, US
109.57.253.103	AS44034 Hi3G Access AB	`7.90ms` from Falkenberg, SE
91.9.197.55	AS3320 Deutsche Telekom AG	`9.70ms` from Frankfurt am Main, DE
146.201.119.231	AS2553 Florida State University	`10.54ms` from Miami, US
157.0.54.231	AS4837 CHINA UNICOM China169 Backbone	`1.92ms` from Nanjing, CN
47.17.131.167	AS6128 Cablevision Systems Corp.	`8.40ms` from New York City, US
201.114.216.151	AS8151 UNINET	`19.26ms` from Santiago de Queretaro, MX
176.71.132.103	AS1257 Tele2 Sverige AB	`0.63ms` from Stockholm, SE
110.92.93.87	AS4721 JCOM Co., Ltd.	`12.18ms` from Tokyo, JP
37.79.166.135	AS12389 PJSC Rostelecom	`16.32ms` from Yekaterinburg, RU
97.187.202.71	AS6167 Verizon Business	`19.36ms` from Ashburn, US
74.162.180.71	AS8075 Microsoft Corporation	`0.93ms` from Dubai, AE
123.159.35.215	AS4837 CHINA UNICOM China169 Backbone	`11.23ms` from Hangzhou, CN
81.77.24.55	AS5378 Vodafone Limited	`5.47ms` from Manchester, GB
20.199.81.247	AS8075 Microsoft Corporation	`1.12ms` from Paris, FR
34.233.123.247	AS14618 Amazon.com, Inc.	`0.43ms` from Reston, US
49.169.147.167	AS17858 LG POWERCOMM	`2.19ms` from Seoul, KR
223.11.144.39	AS4134 CHINANET-BACKBONE	`0.82ms` from Taiyuan, CN
13.92.93.39	AS8075 Microsoft Corporation	`0.44ms` from Ashburn, US
207.223.73.39	AS21808 Peerless Network Inc	`0.56ms` from Chicago, US
54.194.169.55	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE

Traceroute

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

traceroute -a -n -q1 177.66.56.207

traceroute to 177.66.56.207 (177.66.56.207): 64 hops max, 52 byte packets

1 [AS15169] 142.250.238.113 1.898 ms

2 *

3 [AS28198] 177.66.56.207 7.702 ms

Measurement taken from

IPinfo ProbeNet in Sao Paulo, BR

On September 11th 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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