186.123.40.0/21

AS19037 · AMX Argentina S.A.

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Summary

Country	Argentina
Domain	claro.com.ar
ASN	AS19037
Parent Range	186.123.0.0/16
Registry	LACNIC
ID	ADL82

WHOIS Details

inetnum:     186.123/16
status:      allocated
aut-num:     N/A
owner:       AMX Argentina S.A.
ownerid:     AR-CCTI1-LACNIC
responsible: Administrador de Direcciones IP
address:     Av. de Mayo, 878, 
address:     1425 - Capital Federal - 
country:     AR
phone:       +54 11 41098823 []
owner-c:     SAD3
tech-c:      SAD3
abuse-c:     CAT66
inetrev:     186.123/16
nserver:     NS1.TELMEX.NET.AR  
nsstat:      20211219 AA
nslastaa:    20211219
created:     20100603
changed:     20210316

nic-hdl:     CAT66
person:      Abuse Claro AR
e-mail:      abuse@CLARO.COM.AR
address:     Av. de Mayo, 878, -
address:     1425 - Capital Federal - Other
country:     AR
phone:       +54  1141098823 [0000]
created:     20210217
changed:     20210312

nic-hdl:     SAD3
person:      IP Addressing AR
e-mail:      ipaddressing.ar@CLARO.COM.AR
address:     Av. de Mayo, 878, -
address:     C1084AAQ - Bs.As, - CF
country:     AR
phone:       +54  1140011300 [34179]
created:     20060511
changed:     20211221

Overlapping Ranges

BGP prefixes that contain 186.123.40.0/21

Range	ASN	Company	Num of IPs
186.123.0.0/16	AS11664	AMX Argentina S.A.	65,536
186.123.0.0/16	AS19037	AMX Argentina S.A.	65,536

Nearby Ranges

BGP prefixes that overlap with 186.123.0.0/16

Range	ASN	Company	Num of IPs
186.123.0.0/16	AS11664	AMX Argentina S.A.	65,536
186.123.0.0/16	AS19037	AMX Argentina S.A.	65,536
186.123.112.0/20	AS11664	AMX Paraguay SA	4,096
186.123.112.0/20	AS19037	AMX Paraguay SA	4,096
186.123.112.0/20	AS19037	AMX Paraguay SA	4,096
186.123.112.0/20	AS11664	AMX Paraguay SA	4,096
186.123.16.0/21	AS11664	AMX Paraguay SA	2,048
186.123.64.0/21	AS11664	AMX Paraguay SA	2,048
186.123.64.0/21	AS11664	AMX Paraguay SA	2,048
186.123.8.0/21	AS11664	AMX Paraguay SA	2,048
186.123.8.0/21	AS11664	AMX Paraguay SA	2,048
186.123.8.0/21	AS19037	AMX Paraguay SA	2,048
186.123.64.0/21	AS19037	AMX Paraguay SA	2,048
186.123.8.0/21	AS19037	AMX Paraguay SA	2,048
186.123.16.0/21	AS19037	AMX Paraguay SA	2,048
186.123.16.0/21	AS19037	AMX Paraguay SA	2,048
186.123.64.0/21	AS19037	AMX Paraguay SA	2,048
186.123.16.0/21	AS11664	AMX Paraguay SA	2,048
186.123.135.0/24	AS19037	AMX Paraguay SA	256
186.123.135.0/24	AS19037	AMX Paraguay SA	256
186.123.135.0/24	AS11664	AMX Paraguay SA	256
186.123.135.0/24	AS11664	AMX Paraguay SA	256

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

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

IP Address	ASN	Details
186.123.41.117	AS11664 Techtel LMDS Comunicaciones Interactivas S.A.	`19.86ms` from Buenos Aires, AR
186.123.45.39	AS11664 Techtel LMDS Comunicaciones Interactivas S.A.	`20.26ms` from Buenos Aires, AR
186.123.40.2	AS11664 Techtel LMDS Comunicaciones Interactivas S.A.	`19.38ms` from Buenos Aires, AR
186.123.46.91	AS11664 Techtel LMDS Comunicaciones Interactivas S.A.	`20.20ms` from Buenos Aires, AR

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
102.185.12.101	AS24835 Vodafone Data	`13.64ms` from Cairo, EG
40.128.62.245	AS7029 Windstream Communications LLC	`0.63ms` from Chicago, US
40.134.206.165	AS7029 Windstream Communications LLC	`0.47ms` from Dallas, US
217.228.20.165	AS3320 Deutsche Telekom AG	`2.56ms` from Frankfurt am Main, DE
38.49.148.5	AS28458 IENTC S DE RL DE CV	`0.21ms` from Guadalajara, MX
103.110.43.149	AS137318 DISKOMINFO KABUPATEN PATI	`7.10ms` from Jakarta, ID
68.7.15.85	AS22773 Cox Communications Inc.	`7.01ms` from Los Angeles, US
221.170.107.117	AS2518 BIGLOBE Inc.	`12.67ms` from Osaka, JP
63.226.107.229	AS209 CenturyLink Communications, LLC	`6.89ms` from Salt Lake City, US
70.45.74.181	AS14638 Liberty Communications of Puerto Rico LLC	`8.79ms` from San Juan, PR
97.206.50.197	AS6167 Verizon Business	`10.59ms` from Santa Clara, US
77.92.228.53	AS35805 JSC "Silknet"	`4.07ms` from Tbilisi, GE
223.218.67.197	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.48ms` from Tokyo, JP
211.127.108.69	AS4725 SoftBank Corp.	`4.41ms` from Tokyo, JP
154.241.109.21	AS36947 Telecom Algeria	`12.04ms` from Algiers, DZ
209.246.169.101	AS3356 Level 3 Parent, LLC	`0.37ms` from Atlanta, US
66.19.241.229	AS7029 Windstream Communications LLC	`0.53ms` from Atlanta, US
68.86.181.245	AS7922 Comcast Cable Communications, LLC	`5.80ms` from Atlanta, US
222.213.47.213	AS4134 CHINANET-BACKBONE	`7.88ms` from Chengdu, CN
208.100.34.133	AS32748 Steadfast	`0.23ms` from Chicago, US
74.219.222.165	AS10796 Charter Communications Inc	`2.63ms` from Columbus, US
3.149.65.213	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
199.18.69.69	AS600 OARnet	`2.12ms` from Columbus, US
47.240.21.197	AS45102 Alibaba (US) Technology Co., Ltd.	`0.61ms` from Hong Kong, HK
136.185.147.197	AS24560 Bharti Airtel Ltd., Telemedia Services	`2.37ms` from Hyderabad, IN

Traceroute

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

traceroute -a -n -q1 -m8 186.123.42.211

traceroute to 186.123.42.211 (186.123.42.211): 8 hops max, 52 byte packets

1 [AS213941] 84.32.26.1 0.191 ms

2 *

3 *

4 *

5 [AS174] 154.54.61.186 1.163 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Paris, FR

On October 17th 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.

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