187.31.7.0/24

AS29987 · Sinfony6, LLC

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Summary

Country	Brazil
Domain	oi.com.br
ASN	AS29987
Parent Range	187.31.0.0/16
Registry	LACNIC
ID	CAO47

WHOIS Details

inetnum:     187.31.0.0/16
aut-num:     AS14571
abuse-c:     CSIOI
owner:       Oi S.A. - Em Recupera��o Judicial
ownerid:     76.535.764/0001-43
responsible: CONTATO ADMINISTRATIVO OI
owner-c:     COAOI
tech-c:      OIINT
inetrev:     187.31.0.0/17
nserver:     dnssec1.oiinternet.com.br
nsstat:      20240104 AA
nslastaa:    20240104
nserver:     dnssec2.oiinternet.com.br
nsstat:      20240104 AA
nslastaa:    20240104
inetrev:     187.31.128.0/17
nserver:     dnssec1.oiinternet.com.br
nsstat:      20240104 AA
nslastaa:    20240104
nserver:     dnssec2.oiinternet.com.br
nsstat:      20240104 AA
nslastaa:    20240104
created:     20081212
changed:     20240103

nic-hdl-br:  COAOI
person:      Contato Administrativo Oi
created:     20150723
changed:     20220307

nic-hdl-br:  CSIOI
person:      CSIRT OI
created:     20140127
changed:     20140127

nic-hdl-br:  OIINT
person:      Oi Internet
created:     20121218
changed:     20211104

Overlapping Ranges

BGP prefixes that contain 187.31.7.0/24

Range	ASN	Company	Num of IPs
187.31.0.0/16	AS29987	Oi S.A. - Em Recuperação Judicial	65,536

Nearby Ranges

BGP prefixes that overlap with 187.31.0.0/16

Range	ASN	Company	Num of IPs
187.31.0.0/16	AS29987	Oi S.A. - Em Recuperação Judicial	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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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
80.211.185.88	AS31034 Aruba S.p.A.	`0.28ms` from Arezzo, IT
24.126.242.152	AS7922 Comcast Cable Communications, LLC	`4.23ms` from Atlanta, US
49.233.36.136	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.78ms` from Beijing, CN
54.190.200.120	AS16509 Amazon.com, Inc.	`0.12ms` from Boardman, US
35.220.126.88	AS396982 Google LLC	`0.15ms` from Brussels, BE
184.58.171.216	AS10796 Charter Communications Inc	`7.14ms` from Chicago, US
79.150.87.88	AS3352 TELEFONICA DE ESPANA S.A.U.	`11.50ms` from Madrid, ES
88.23.40.248	AS3352 TELEFONICA DE ESPANA S.A.U.	`7.17ms` from Madrid, ES
3.111.182.88	AS16509 Amazon.com, Inc.	`0.10ms` from Mumbai, IN
189.110.156.104	AS27699 TELEFÔNICA BRASIL S.A	`3.28ms` from Osasco, BR
157.143.188.136	AS8399 SEWAN SAS	`0.55ms` from Paris, FR
218.154.67.40	AS4766 Korea Telecom	`1.20ms` from Seoul, KR
147.92.167.8	AS38631 LY Corporation	`0.42ms` from Singapore, SG
50.100.32.232	AS577 Bell Canada	`4.31ms` from Toronto, CA
189.15.62.88	AS53006 ALGAR TELECOM S/A	`5.05ms` from Uberlandia, BR
117.132.147.168	AS24547 Hebei Mobile Communication Company Limited	`9.29ms` from Beijing, CN
172.166.127.184	AS8075 Microsoft Corporation	`0.23ms` from London, GB
72.134.83.200	AS20001 Charter Communications Inc	`4.86ms` from Los Angeles, US
89.83.43.104	AS5410 Bouygues Telecom SA	`7.97ms` from Marseille, FR
121.16.238.184	AS4837 CHINA UNICOM China169 Backbone	`10.33ms` from Qingdao, CN
187.34.215.168	AS27699 TELEFÔNICA BRASIL S.A	`1.92ms` from Sao Paulo, BR
125.149.218.152	AS4766 Korea Telecom	`1.76ms` from Seoul, KR
13.63.0.248	AS16509 Amazon.com, Inc.	`0.12ms` from Stockholm, SE
13.75.132.24	AS8075 Microsoft Corporation	`0.66ms` from Sydney, AU
31.149.133.216	AS1136 KPN B.V.	`0.46ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 -f2 -m6 187.31.7.186

traceroute to 187.31.7.186 (187.31.7.186): 6 hops max, 52 byte packets

2 [AS201971] 185.57.188.1 0.37 ms

3 [] 84.17.33.248 7.623 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Grantham, GB

On January 30th 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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