$ query “AS18678” --type=asn → 1 result(s)

AS18678 · INTERNEXA

INTERNEXA S.A. E.S.P

AS18678 belongs to INTERNEXA S.A. E.S.P and is a major transit provider, registered in Colombia since 2000. The system announces a solid 135 680 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Colombia, with additional presence in Australia and Peru, and smaller footprints in 2 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #3 in Colombia — Top 10 by reach within country

Basic Information

Country
🇨🇴 Colombia
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 28, 2000
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
320 / 29
IPv6 Prefixes (raw / aggregated)
85 / 8
IPv4 Addresses
135 680
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇨🇴 Colombia (94 192 IPs), 🇦🇺 Australia (18 944 IPs), 🇵🇪 Peru (4 192 IPs) and 2 more
Prefix Changed
June 18, 2026

Reputation

Reputation
Good — 7 flagged IPs out of 135 680 total (0.01%)
Open Proxies
4 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
172 networks exchanging traffic without transit
Downstream Customers
108 downstreams buying transit
Unclassified
17 unclassified BGP neighbors
Degree
303 unique BGP neighbors
Reach
31 766 networks in customer cone

Upstream Providers (6)

  • AS174 — COGENT (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS52320 — GLOBENET-CABOS-SUBMARINOS
  • AS39686 — AS-EUROFIBER
  • AS12956 — TELXIUS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (320 total)

  • 190.90.128.0/17 (32 768 addresses (/17 prefix))
  • 179.1.0.0/17 (32 768 addresses (/17 prefix))
  • 179.1.192.0/18 (16 384 addresses (/18 prefix))
  • 179.1.128.0/19 (8 192 addresses (/19 prefix))
  • 190.90.96.0/19 (8 192 addresses (/19 prefix))
  • 190.90.0.0/19 (8 192 addresses (/19 prefix))
  • 190.90.80.0/20 (4 096 addresses (/20 prefix))
  • 179.1.176.0/20 (4 096 addresses (/20 prefix))
  • 190.108.80.0/20 (4 096 addresses (/20 prefix))
  • 191.97.48.0/20 (4 096 addresses (/20 prefix))
  • 190.90.32.0/21 (2 048 addresses (/21 prefix))
  • 190.90.52.0/22 (1 024 addresses (/22 prefix))
  • 38.51.248.0/22 (1 024 addresses (/22 prefix))
  • 190.90.60.0/22 (1 024 addresses (/22 prefix))
  • 170.238.236.0/22 (1 024 addresses (/22 prefix))
  • 190.90.68.0/22 (1 024 addresses (/22 prefix))
  • 190.90.72.0/22 (1 024 addresses (/22 prefix))
  • 45.162.76.0/22 (1 024 addresses (/22 prefix))
  • 190.90.58.0/23 (512 addresses (/23 prefix))
  • 200.24.0.0/23 (512 addresses (/23 prefix))
  • 190.90.76.0/23 (512 addresses (/23 prefix))
  • 190.90.57.0/24 (256 addresses (/24 prefix))
  • 152.231.26.0/24 (256 addresses (/24 prefix))
  • 190.90.78.0/24 (256 addresses (/24 prefix))
  • 190.90.67.0/24 (256 addresses (/24 prefix))
  • 190.90.64.0/24 (256 addresses (/24 prefix))
  • 170.0.8.0/24 (256 addresses (/24 prefix))
  • 200.24.2.0/24 (256 addresses (/24 prefix))
  • 200.24.4.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (85 total)

  • 2800:310::/32
  • 2803:aea0::/32
  • 2801:17e::/47
  • 2800:650:10::/48
  • 2801:19:400::/48
  • 2801:1a:c800::/48
  • 2801:1d:2800::/48
  • 2803:cae0:80b0::/48