$ query “AS3816” --type=asn → 1 result(s)

AS3816 · COLOMBIA-TELECOMUNICACIONES

COLOMBIA TELECOMUNICACIONES S.A. ESP BIC

AS3816 is owned by COLOMBIA TELECOMUNICACIONES S.A. ESP BIC and is a mid-size transit provider, based in Colombia since 1994. The system announces an impressive 3.1 million IPv4 addresses, including a /14, and supports IPv6. The bulk of its IP address space is in Australia, with additional presence in Colombia and Chile, and smaller footprints in 6 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #9 in Colombia — Top 10 by reach within country
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇨🇴 Colombia
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 09, 1994
Last Changed
March 04, 2026
Last Seen
July 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
1 342 / 213
IPv6 Prefixes (raw / aggregated)
15 / 13
IPv4 Addresses
3 145 728
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇦🇺 Australia (2 732 512 IPs), 🇨🇴 Colombia (1 163 888 IPs), 🇨🇱 Chile (133 120 IPs) and 6 more
Prefix Changed
June 26, 2026

Reputation

Reputation
Good — 39 flagged IPs out of 3 145 728 total (0.00%)
Open Proxies
2 known open proxies in this network

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
4 networks exchanging traffic without transit
Downstream Customers
27 downstreams buying transit
Unclassified
13 unclassified BGP neighbors
Degree
46 unique BGP neighbors
Reach
35 networks in customer cone

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (1 342 total)

  • 186.116.0.0/14 (262 144 addresses (/14 prefix))
  • 190.252.0.0/14 (262 144 addresses (/14 prefix))
  • 186.114.0.0/15 (131 072 addresses (/15 prefix))
  • 152.202.0.0/15 (131 072 addresses (/15 prefix))
  • 190.68.0.0/15 (131 072 addresses (/15 prefix))
  • 190.67.0.0/16 (65 536 addresses (/16 prefix))
  • 186.98.0.0/16 (65 536 addresses (/16 prefix))
  • 191.104.0.0/16 (65 536 addresses (/16 prefix))
  • 161.10.0.0/16 (65 536 addresses (/16 prefix))
  • 186.112.0.0/16 (65 536 addresses (/16 prefix))
  • 191.108.0.0/16 (65 536 addresses (/16 prefix))
  • 191.110.0.0/16 (65 536 addresses (/16 prefix))
  • 181.32.0.0/16 (65 536 addresses (/16 prefix))
  • 186.171.0.0/16 (65 536 addresses (/16 prefix))
  • 200.21.0.0/16 (65 536 addresses (/16 prefix))
  • 179.32.0.0/16 (65 536 addresses (/16 prefix))
  • 167.0.0.0/16 (65 536 addresses (/16 prefix))
  • 190.65.0.0/16 (65 536 addresses (/16 prefix))
  • 191.107.0.0/17 (32 768 addresses (/17 prefix))
  • 181.237.0.0/17 (32 768 addresses (/17 prefix))
  • 181.192.128.0/17 (32 768 addresses (/17 prefix))
  • 181.235.128.0/17 (32 768 addresses (/17 prefix))
  • 181.236.0.0/17 (32 768 addresses (/17 prefix))
  • 179.33.128.0/17 (32 768 addresses (/17 prefix))
  • 186.103.0.0/17 (32 768 addresses (/17 prefix))
  • 201.228.0.0/17 (32 768 addresses (/17 prefix))
  • 152.204.0.0/17 (32 768 addresses (/17 prefix))
  • 186.102.0.0/17 (32 768 addresses (/17 prefix))
  • 186.169.128.0/17 (32 768 addresses (/17 prefix))
  • 191.106.128.0/17 (32 768 addresses (/17 prefix))
  • 161.18.128.0/17 (32 768 addresses (/17 prefix))
  • 201.228.128.0/18 (16 384 addresses (/18 prefix))
  • 152.200.128.0/18 (16 384 addresses (/18 prefix))
  • 186.113.64.0/18 (16 384 addresses (/18 prefix))
  • 186.99.128.0/18 (16 384 addresses (/18 prefix))
  • 186.170.128.0/18 (16 384 addresses (/18 prefix))
  • 181.237.192.0/18 (16 384 addresses (/18 prefix))
  • 181.234.0.0/18 (16 384 addresses (/18 prefix))
  • 186.169.64.0/18 (16 384 addresses (/18 prefix))
  • 186.102.128.0/18 (16 384 addresses (/18 prefix))
  • 191.107.192.0/18 (16 384 addresses (/18 prefix))
  • 152.205.192.0/18 (16 384 addresses (/18 prefix))
  • 152.201.192.0/18 (16 384 addresses (/18 prefix))
  • 186.121.0.0/18 (16 384 addresses (/18 prefix))
  • 181.33.128.0/18 (16 384 addresses (/18 prefix))
  • 152.205.0.0/18 (16 384 addresses (/18 prefix))
  • 190.66.64.0/18 (16 384 addresses (/18 prefix))
  • 191.111.192.0/18 (16 384 addresses (/18 prefix))
  • 152.204.192.0/18 (16 384 addresses (/18 prefix))
  • 191.111.0.0/18 (16 384 addresses (/18 prefix))

IPv6 Prefixes (15 total)

  • 2800:680::/32
  • 2801:130::/36
  • 2800:8b0::/38
  • 2801:1ca::/44
  • 2801:1c6::/44
  • 2801:1d9::/47
  • 2801:1e:800::/48
  • 2801:11e:1::/48
  • 2801:16:800::/48
  • 2801:1b1:1::/48
  • 2801:10:f000::/48
  • 2801:1f9:7::/48
  • 2801:1f9:9::/48