$ query “AS18747” --type=asn → 1 result(s)

AS18747 · IFX18747

IFX Corporation

AS18747 belongs to IFX Corporation and is a mid-size transit provider, registered in the United States since 2015. The system announces a solid 376 320 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to Colombia, with additional presence in Argentina and Chile, and smaller footprints in 13 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 17, 2015
Last Changed
March 04, 2026
Last Seen
October 23, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
534 / 24
IPv6 Prefixes (raw / aggregated)
19 / 14
IPv4 Addresses
376 320
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/30
Geolocated Countries
🇨🇴 Colombia (148 992 IPs), 🇦🇷 Argentina (102 400 IPs), 🇨🇱 Chile (35 584 IPs) and 13 more
Prefix Changed
October 17, 2026

Reputation

Reputation
Good — 9 flagged IPs out of 376 320 total (0.00%)
Open Proxies
5 known open proxies in this network

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
5 networks exchanging traffic without transit
Downstream Customers
23 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
38 unique BGP neighbors
Reach
29 networks in customer cone

Upstream Providers (7)

Prefix Lists

IPv4 Prefixes (534 total)

  • 181.119.0.0/16 (65 536 addresses (/16 prefix))
  • 190.60.0.0/16 (65 536 addresses (/16 prefix))
  • 181.78.128.0/17 (32 768 addresses (/17 prefix))
  • 181.79.0.0/17 (32 768 addresses (/17 prefix))
  • 190.61.128.0/17 (32 768 addresses (/17 prefix))
  • 186.33.0.0/18 (16 384 addresses (/18 prefix))
  • 200.62.0.0/18 (16 384 addresses (/18 prefix))
  • 200.73.0.0/18 (16 384 addresses (/18 prefix))
  • 200.80.0.0/18 (16 384 addresses (/18 prefix))
  • 200.91.192.0/18 (16 384 addresses (/18 prefix))
  • 181.78.64.0/19 (8 192 addresses (/19 prefix))
  • 190.61.0.0/19 (8 192 addresses (/19 prefix))
  • 200.61.128.0/19 (8 192 addresses (/19 prefix))
  • 200.73.64.0/19 (8 192 addresses (/19 prefix))
  • 200.110.128.0/19 (8 192 addresses (/19 prefix))
  • 201.217.192.0/19 (8 192 addresses (/19 prefix))
  • 216.241.0.0/19 (8 192 addresses (/19 prefix))
  • 181.78.32.0/21 (2 048 addresses (/21 prefix))
  • 181.78.96.0/21 (2 048 addresses (/21 prefix))
  • 131.108.68.0/22 (1 024 addresses (/22 prefix))
  • 181.79.212.0/22 (1 024 addresses (/22 prefix))
  • 181.79.220.0/22 (1 024 addresses (/22 prefix))
  • 181.79.230.0/24 (256 addresses (/24 prefix))
  • 200.3.247.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (19 total)

  • 2802::/30
  • 2607:5580::/32
  • 2800:c00::/32
  • 2803:fd80::/32
  • 2801:154::/42
  • 2801:1ec::/42
  • 2801:115::/44
  • 2801:1d1::/44
  • 2620:107:9064::/48
  • 2801:0:3b0::/48
  • 2801:1f:400::/48
  • 2801:162:2::/48
  • 2801:1ac::/48
  • 2a0e:1c80:1d::/48