AS10620 Telmex Colombia S.A.

AS10620 - Telmex Colombia S.A. · registered in Colombia

IPv4 addresses1,809,6641,141 prefixes · 0.058% of announced IPv4

Rank in Colombia#4largest network in CO by IPv4 space, of 356 · 10.94% of CO

Rank worldwide#215of 79,396 networks with IPv4

IPv637,376 x /4866 prefixes

CountryColombia430 ASNs registered there

Open AS10620 in ASN lookup Look up an IP in this network (181.49.72.1) All networks in Colombia

IPv4 prefixes

First 500 of 1,141 prefixes, in address order.

181.49.72.0/22
181.50.0.0/19
181.50.32.0/23
181.50.36.0/22
181.50.40.0/22
181.50.48.0/20
181.50.64.0/23
181.50.67.0/24
181.50.68.0/24
181.50.80.0/20
181.50.96.0/20
181.50.112.0/21
181.50.120.0/22
181.50.128.0/23
181.50.136.0/21
181.50.144.0/21
181.50.156.0/22
181.50.160.0/20
181.50.180.0/22
181.50.184.0/21
181.50.192.0/21
181.50.212.0/22
181.50.216.0/21
181.50.224.0/19
181.51.0.0/20
181.51.16.0/22
181.51.24.0/21
181.51.32.0/19
181.51.64.0/21
181.51.72.0/23
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181.51.80.0/20
181.51.96.0/20
181.51.112.0/23
181.51.116.0/22
181.51.120.0/21
181.51.128.0/18
181.51.192.0/22
181.51.200.0/21
181.51.208.0/20
181.51.224.0/20
181.51.240.0/22
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181.52.120.0/21
181.52.128.0/19
181.52.160.0/21
181.52.168.0/22
181.52.172.0/23
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181.52.176.0/22
181.52.184.0/21
181.52.192.0/20
181.52.209.0/24
181.52.212.0/22
181.52.216.0/21
181.52.224.0/22
181.52.232.0/21
181.52.240.0/20
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181.53.104.0/21
181.53.112.0/21
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181.53.126.0/23
181.53.128.0/21
181.53.136.0/22
181.53.140.0/23
181.53.142.0/24
181.53.148.0/22
181.53.156.0/22
181.53.160.0/20
181.53.176.0/21
181.53.184.0/22
181.53.188.0/24
181.53.189.0/24
181.53.190.0/23
181.53.192.0/20
181.53.208.0/21
181.53.220.0/22
181.53.224.0/19
181.54.0.0/20
181.54.16.0/21
181.54.28.0/22
181.54.32.0/19
181.54.64.0/19
181.54.96.0/20
181.54.112.0/22
181.54.120.0/21
181.54.128.0/20
181.54.144.0/21
181.54.152.0/22
181.54.164.0/22
181.54.168.0/21
181.54.176.0/20
181.54.192.0/21
181.54.201.0/24
181.54.202.0/23
181.54.204.0/22
181.54.212.0/22
181.54.220.0/22
181.54.224.0/19
181.55.4.0/22
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181.55.16.0/20
181.55.32.0/19
181.55.64.0/21
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181.55.101.0/24
181.55.103.0/24
181.55.104.0/21
181.55.112.0/21
181.55.120.0/22
181.55.124.0/23
181.55.126.0/24
181.55.127.0/24
181.55.128.0/20
181.55.144.0/22
181.55.149.0/24
181.55.152.0/21
181.55.160.0/21
181.55.176.0/20
181.55.192.0/20
181.55.208.0/22
181.55.220.0/22
181.55.224.0/21
181.55.232.0/23
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181.55.236.0/22
181.55.240.0/20
181.56.0.0/22
181.56.8.0/21
181.56.16.0/22
181.56.22.0/23
181.56.24.0/22
181.56.32.0/22
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181.56.64.0/19
181.56.96.0/23
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181.56.208.0/23
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181.57.112.0/20
181.57.248.0/21
181.58.0.0/21
181.58.10.0/23
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181.58.16.0/20
181.58.32.0/19
181.58.64.0/19
181.58.96.0/22
181.58.104.0/21
181.58.112.0/22
181.58.118.0/23
181.58.120.0/23
181.58.123.0/24
181.58.124.0/22
181.58.128.0/19
181.58.160.0/21
181.58.172.0/22
181.58.176.0/21
181.58.184.0/22
181.58.188.0/23
181.58.191.0/24
181.58.192.0/22
181.58.200.0/21
181.58.208.0/22
181.58.212.0/24
181.58.214.0/23
181.58.216.0/22
181.58.224.0/19
181.59.0.0/20
181.59.16.0/21
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181.59.30.0/23
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181.59.48.0/22
181.59.56.0/22
181.59.60.0/24
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181.59.112.0/23
181.59.114.0/24
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181.59.120.0/22
181.59.124.0/23
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181.59.128.0/20
181.59.144.0/22
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181.59.151.0/24
181.59.152.0/21
181.59.160.0/22
181.59.168.0/21
181.59.176.0/21
181.59.184.0/23
181.59.186.0/24
181.59.188.0/22
181.59.192.0/21
181.59.200.0/22
181.59.208.0/22
181.59.212.0/23
181.59.216.0/21
181.59.224.0/22
181.59.236.0/22
181.59.240.0/20
181.60.0.0/20
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181.60.96.0/22
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181.60.112.0/20
181.60.128.0/22
181.60.132.0/24
181.60.136.0/21
181.60.144.0/21
181.60.156.0/22
181.60.160.0/19
181.60.196.0/23
181.60.200.0/21
181.60.208.0/21
181.60.224.0/24
181.60.228.0/22
181.60.232.0/22
181.60.240.0/20
181.61.0.0/18
181.61.64.0/19
181.61.96.0/20
181.61.112.0/21
181.61.124.0/22
181.61.128.0/20
181.61.144.0/21
181.61.152.0/22
181.61.160.0/23
181.61.168.0/22
181.61.176.0/22
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181.61.186.0/23
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181.61.192.0/20
181.61.208.0/21
181.61.220.0/23
181.61.222.0/24
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181.61.236.0/22
181.61.240.0/22
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181.61.246.0/23
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181.61.250.0/23
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181.62.0.0/19
181.62.32.0/20
181.62.48.0/24
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181.62.128.0/21
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181.62.144.0/20
181.62.161.0/24
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181.62.164.0/22
181.62.168.0/21
181.62.176.0/21
181.62.188.0/22
181.62.192.0/20
181.62.212.0/22
181.62.216.0/21
181.62.224.0/24
181.62.228.0/22
181.62.236.0/22
181.62.244.0/22
181.62.248.0/21
181.63.0.0/21
181.63.12.0/22
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181.63.56.0/22
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181.63.120.0/22
181.63.128.0/20
181.63.144.0/21
181.63.152.0/24
181.63.164.0/22
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181.63.176.0/20
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181.63.212.0/22
181.63.218.0/23
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181.63.240.0/20
186.80.4.0/22
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186.80.116.0/22
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186.80.132.0/22
186.80.136.0/21
186.80.144.0/20
186.80.160.0/21
186.80.168.0/22
186.80.180.0/22
186.80.184.0/21
186.80.192.0/21
186.80.200.0/22
186.80.208.0/23
186.80.211.0/24
186.80.212.0/22
186.80.216.0/21
186.80.230.0/23
186.80.232.0/21
186.80.240.0/20
186.81.0.0/22
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186.81.32.0/22
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186.81.56.0/21
186.81.66.0/23
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186.81.80.0/22
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186.81.96.0/22
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186.81.104.0/21
186.81.112.0/20
186.81.128.0/21
186.81.136.0/22
186.81.144.0/20
186.81.160.0/20
186.81.176.0/21
186.81.184.0/22
186.81.192.0/22
186.81.200.0/21
186.81.208.0/21
186.81.216.0/22
186.81.224.0/21
186.81.236.0/22
186.81.240.0/22
186.81.248.0/21
186.82.0.0/21
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186.82.32.0/20
186.82.48.0/23
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186.82.104.0/21
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186.82.128.0/21
186.82.140.0/22
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186.82.160.0/21
186.82.168.0/22
186.82.176.0/20
186.82.192.0/21
186.82.216.0/23
186.82.218.0/24
186.82.232.0/21
186.82.240.0/21

IPv6 prefixes

All 66 prefixes.

2800:484:400::/38
2800:484:a00::/40
2800:484:c00::/40
2800:484:e00::/40
2800:484:1200::/39
2800:484:1600::/39
2800:484:1800::/38
2800:484:1c00::/39
2800:484:1e00::/40
2800:484:2000::/39
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2800:484:6600::/40
2800:484:6800::/37
2800:484:7000::/39
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2800:484:7e00::/39
2800:484:8000::/37
2800:484:8800::/39
2800:484:8b00::/40
2800:484:8c00::/38
2800:484:9000::/39
2800:484:9800::/40
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2800:484:9c00::/38
2800:484:a000::/36
2800:484:b000::/38
2800:484:b400::/40
2800:484:b800::/40
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2800:484:c100::/40
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2800:484:c600::/40
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2800:484:e800::/38
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2800:484:f800::/38
2800:484:fd00::/40
2800:486:700::/40
2800:486:800::/38
2800:486:e00::/39
2800:486:1000::/37
2800:486:1900::/40
2800:486:1a00::/39

Other ASNs named Telmex Colombia S.A.

2 other networks use the same organisation name; together with AS10620 they announce 2,489,088 IPv4 addresses.

ASNNameIPv4 addresses

AS14080AS14080 - Telmex Colombia S.A. CO678,912

AS27864AS27864 - Telmex Colombia S.A. CO512

Similar-sized networks in Colombia

ASNNameIPv4 addresses

AS26611#1 AS26611 - COMUNICACION CELULAR S.A. COMCEL S.A.4,461,056

AS13489#2 AS13489 - UNE EPM TELECOMUNICACIONES S.A.4,236,288

AS3816#3 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. ESP BIC3,121,408

AS19429#5 AS19429 - ETB - Colombia871,936

AS14080#6 AS14080 - Telmex Colombia S.A.678,912

AS271773#7 AS271773 - PARTNERS TELECOM COLOMBIA SAS134,144

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources