181.51.72.0/23

AS10620 · Telmex Colombia S.A.

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Summary

Country	Colombia
Domain	telmexla.net.co
ASN	AS10620
Parent Range	181.48.0.0/13
Registry	LACNIC
ID	ATI

WHOIS Details

inetnum:     181.48.0.0/13
status:      allocated
aut-num:     AS14080
aut-num:     AS10620
owner:       Telmex Colombia S.A.
ownerid:     CO-ACSA-LACNIC
responsible: Operaciones Core IP
address:     CLARO FIJO COLOMBIA - Cra 68A No. 24B-10, 11111, 
address:     11111 - Bogota - DC
country:     CO
phone:       +57 01 7480000
owner-c:     ATI
tech-c:      ATI
abuse-c:     ATI
inetrev:     181.48.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250221 AA
nslastaa:    20250221
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250221 AA
nslastaa:    20250221
inetrev:     181.49.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250218 AA
nslastaa:    20250218
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250218 AA
nslastaa:    20250218
inetrev:     181.50.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250221 AA
nslastaa:    20250221
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250221 AA
nslastaa:    20250221
inetrev:     181.51.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250216 AA
nslastaa:    20250216
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250216 AA
nslastaa:    20250216
inetrev:     181.52.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250218 AA
nslastaa:    20250218
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250218 AA
nslastaa:    20250218
inetrev:     181.53.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250220 AA
nslastaa:    20250220
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250220 AA
nslastaa:    20250220
inetrev:     181.54.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250219 AA
nslastaa:    20250219
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250219 AA
nslastaa:    20250219
inetrev:     181.55.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20250216 AA
nslastaa:    20250216
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20250216 AA
nslastaa:    20250216
created:     20110502
changed:     20110502

nic-hdl:     ATI
person:      Network Security Team
e-mail:      ciro.mantilla@claro.com.co
address:     Carrera 68a #24b-10, 00, Plaza Claro
address:     111321 - Bogota - DC
country:     CO
phone:       +57  6017500300 [81966]
created:     20020909
changed:     20250218

Overlapping Ranges

BGP prefixes that contain 181.51.72.0/23

Range	ASN	Company	Num of IPs
181.48.0.0/13	AS10620	Telmex Colombia S.A.	524,288
181.48.0.0/13	AS14080	Telmex Colombia S.A.	524,288

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
181.51.72.1	AS10620 Telmex Colombia S.A.	`15.15ms` from Bogota, CO
181.51.73.98	AS10620 Telmex Colombia S.A.	`20.98ms` from Bogota, CO

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
4.236.240.87	AS8075 Microsoft Corporation	`0.36ms` from Ashburn, US
94.65.151.87	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`1.23ms` from Athens, GR
79.156.246.231	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.49ms` from Barcelona, ES
44.239.63.151	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
110.32.23.87	AS4804 Microplex PTY LTD	`3.23ms` from Brisbane, AU
23.94.197.103	AS36352 HostPapa	`0.13ms` from Buffalo, US
171.213.210.23	AS4134 CHINANET-BACKBONE	`2.62ms` from Chengdu, CN
23.121.238.135	AS7018 AT&T Enterprises, LLC	`18.37ms` from Chicago, US
152.115.52.103	AS31027 GlobalConnect A/S	`0.36ms` from Copenhagen, DK
23.3.55.231	AS16625 Akamai Technologies, Inc.	`0.13ms` from Fortaleza, BR
80.145.105.7	AS3320 Deutsche Telekom AG	`3.93ms` from Hamburg, DE
82.34.105.71	AS5089 Virgin Media Limited	`10.14ms` from London, GB
97.182.231.247	AS6167 Verizon Business	`16.99ms` from Los Angeles, US
51.48.168.135	AS16509 Amazon.com, Inc.	`6.55ms` from Madrid, ES
112.122.247.71	AS4837 CHINA UNICOM China169 Backbone	`12.82ms` from Nanjing, CN
104.136.209.23	AS33363 Charter Communications, Inc	`8.41ms` from Orlando, US
61.86.158.167	AS18081 Kintetsu Cable Network Co., Ltd.	`1.67ms` from Osaka, JP
114.145.6.7	AS4713 NTT Communications Corporation	`8.79ms` from Osaka, JP
186.238.184.39	AS10429 TELEFÔNICA BRASIL S.A	`1.07ms` from Osasco, BR
84.211.166.151	AS41164 GET Norway	`6.58ms` from Oslo, NO
39.64.121.183	AS4837 CHINA UNICOM China169 Backbone	`6.64ms` from Qingdao, CN
221.140.184.7	AS9318 SK Broadband Co Ltd	`2.16ms` from Seoul, KR
176.21.158.167	AS3292 TDC Holding A/S	`2.55ms` from Skanderborg, DK
34.82.68.183	AS396982 Google LLC	`0.14ms` from The Dalles, US
120.75.100.167	AS2527 Sony Network Communications Inc.	`7.17ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -f4 181.51.73.62

traceroute to 181.51.73.62 (181.51.73.62): 64 hops max, 52 byte packets

4 [] 206.223.124.155 9.064 ms

5 *

6 *

7 [AS10620] 181.51.73.62 39.29 ms

Measurement taken from

IPinfo ProbeNet in Medellin, CO

On October 9th 2025

What are IP address ranges?

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