$ 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, established in Colombia in 2000. The system announces a solid 135 680 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Colombia, with additional presence in Peru and Australia, and smaller footprints in 2 additional countries. Prefix announcements for this AS were recently updated.

  • 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
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
332 / 29
IPv6 Prefixes (raw / aggregated)
126 / 7
IPv4 Addresses
135 680
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇨🇴 Colombia (121 696 IPs), 🇵🇪 Peru (13 696 IPs), 🇦🇺 Australia (256 IPs) and 2 more
Prefix Changed
October 11, 2026

Reputation

Reputation
Good — 13 flagged IPs out of 135 680 total (0.01%)
Open Proxies
5 known open proxies in this network

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
163 networks exchanging traffic without transit
Downstream Customers
110 downstreams buying transit
Unclassified
15 unclassified BGP neighbors
Degree
293 unique BGP neighbors
Reach
208 networks in customer cone

Upstream Providers (5)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS39686 — AS-EUROFIBER
  • AS12956 — TELXIUS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (332 total)

  • 179.1.0.0/17 (32 768 addresses (/17 prefix))
  • 190.90.128.0/17 (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))
  • 190.90.0.0/19 (8 192 addresses (/19 prefix))
  • 190.90.96.0/19 (8 192 addresses (/19 prefix))
  • 179.1.176.0/20 (4 096 addresses (/20 prefix))
  • 190.90.80.0/20 (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))
  • 38.51.248.0/22 (1 024 addresses (/22 prefix))
  • 45.162.76.0/22 (1 024 addresses (/22 prefix))
  • 170.238.236.0/22 (1 024 addresses (/22 prefix))
  • 190.90.52.0/22 (1 024 addresses (/22 prefix))
  • 190.90.60.0/22 (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))
  • 190.90.58.0/23 (512 addresses (/23 prefix))
  • 190.90.76.0/23 (512 addresses (/23 prefix))
  • 200.24.0.0/23 (512 addresses (/23 prefix))
  • 152.231.26.0/24 (256 addresses (/24 prefix))
  • 190.90.57.0/24 (256 addresses (/24 prefix))
  • 190.90.64.0/24 (256 addresses (/24 prefix))
  • 190.90.67.0/24 (256 addresses (/24 prefix))
  • 190.90.78.0/24 (256 addresses (/24 prefix))
  • 200.24.2.0/24 (256 addresses (/24 prefix))
  • 200.24.4.0/24 (256 addresses (/24 prefix))
  • 200.233.46.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (126 total)

  • 2800:310::/32
  • 2800:650::/32
  • 2803:25e0:e000::/35
  • 2801:17e::/47
  • 2801:19:400::/48
  • 2803:3250:ea47::/48
  • 2803:cae0:80b0::/48