$ query “AS18451” --type=asn → 1 result(s)

AS18451 · LESNET

LES.NET

AS18451 belongs to LES.NET and is a mid-size transit provider, established in Canada in 2007. The system announces 5 632 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Canada, with additional presence in the United States.

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

Basic Information

Country
🇨🇦 Canada
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 27, 2007
Last Changed
March 04, 2026
Last Seen
May 01, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
5 / 4
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
5 632
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇨🇦 Canada (10 240 IPs), 🇺🇸 United States (512 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 5 632 total (0.02%)

Connectivity Summary

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

Upstream Providers (5)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS32621 — TCV-511

Prefix Lists

IPv4 Prefixes (5 total)

  • 199.87.152.0/21 (2 048 addresses (/21 prefix))
  • 208.81.0.0/21 (2 048 addresses (/21 prefix))
  • 174.34.248.0/22 (1 024 addresses (/22 prefix))
  • 44.31.194.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (1 total)

  • 2605:e200::/32