$ query “AS3549” --type=asn → 1 result(s)

AS3549 · LVLT-3549

Level 3 Parent LLC

AS3549 is owned by Level 3 Parent LLC and is a major transit provider, registered in the United States since 2000. The system announces an impressive 5.0 million IPv4 addresses, including a /14, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in the United Kingdom and Brazil, and smaller footprints in 60 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
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 21, 2000
Last Changed
October 01, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
616 / 234
IPv6 Prefixes (raw / aggregated)
27 / 12
IPv4 Addresses
5 020 672
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇸 United States (4 202 880 IPs), 🇬🇧 United Kingdom (194 432 IPs), 🇧🇷 Brazil (173 312 IPs) and 60 more
Prefix Changed
October 17, 2026

Reputation

Reputation
Good — 10 flagged IPs out of 5 020 672 total (0.00%)
Open Proxies
3 known open proxies in this network

Connectivity Summary

Upstream Providers
1 upstream providing transit
Peers
45 networks exchanging traffic without transit
Downstream Customers
248 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
300 unique BGP neighbors
Reach
317 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (616 total)

  • 35.248.0.0/14 (262 144 addresses (/14 prefix))
  • 64.212.0.0/14 (262 144 addresses (/14 prefix))
  • 66.192.0.0/14 (262 144 addresses (/14 prefix))
  • 50.58.0.0/15 (131 072 addresses (/15 prefix))
  • 64.128.0.0/15 (131 072 addresses (/15 prefix))
  • 67.16.0.0/15 (131 072 addresses (/15 prefix))
  • 67.74.0.0/15 (131 072 addresses (/15 prefix))
  • 74.202.0.0/15 (131 072 addresses (/15 prefix))
  • 173.226.0.0/15 (131 072 addresses (/15 prefix))
  • 174.46.0.0/15 (131 072 addresses (/15 prefix))
  • 216.84.0.0/15 (131 072 addresses (/15 prefix))
  • 64.76.0.0/16 (65 536 addresses (/16 prefix))
  • 64.132.0.0/16 (65 536 addresses (/16 prefix))
  • 64.208.0.0/16 (65 536 addresses (/16 prefix))
  • 66.162.0.0/16 (65 536 addresses (/16 prefix))
  • 97.65.0.0/16 (65 536 addresses (/16 prefix))
  • 145.233.0.0/16 (65 536 addresses (/16 prefix))
  • 146.82.0.0/16 (65 536 addresses (/16 prefix))
  • 161.134.0.0/16 (65 536 addresses (/16 prefix))
  • 162.97.0.0/16 (65 536 addresses (/16 prefix))
  • 168.215.0.0/16 (65 536 addresses (/16 prefix))
  • 189.125.0.0/16 (65 536 addresses (/16 prefix))
  • 190.216.0.0/16 (65 536 addresses (/16 prefix))
  • 193.240.0.0/16 (65 536 addresses (/16 prefix))
  • 199.227.0.0/16 (65 536 addresses (/16 prefix))
  • 200.186.0.0/16 (65 536 addresses (/16 prefix))
  • 201.234.0.0/16 (65 536 addresses (/16 prefix))
  • 206.165.0.0/16 (65 536 addresses (/16 prefix))
  • 206.169.0.0/16 (65 536 addresses (/16 prefix))
  • 207.138.0.0/16 (65 536 addresses (/16 prefix))
  • 207.250.0.0/16 (65 536 addresses (/16 prefix))
  • 208.49.0.0/16 (65 536 addresses (/16 prefix))
  • 208.51.0.0/16 (65 536 addresses (/16 prefix))
  • 208.178.0.0/16 (65 536 addresses (/16 prefix))
  • 209.12.0.0/16 (65 536 addresses (/16 prefix))
  • 209.136.0.0/16 (65 536 addresses (/16 prefix))
  • 209.194.0.0/16 (65 536 addresses (/16 prefix))
  • 216.253.0.0/16 (65 536 addresses (/16 prefix))
  • 64.209.0.0/17 (32 768 addresses (/17 prefix))
  • 64.210.0.0/17 (32 768 addresses (/17 prefix))
  • 64.211.0.0/17 (32 768 addresses (/17 prefix))
  • 113.29.0.0/17 (32 768 addresses (/17 prefix))
  • 159.63.0.0/17 (32 768 addresses (/17 prefix))
  • 195.166.0.0/17 (32 768 addresses (/17 prefix))
  • 199.76.0.0/17 (32 768 addresses (/17 prefix))
  • 199.77.128.0/17 (32 768 addresses (/17 prefix))
  • 204.199.0.0/17 (32 768 addresses (/17 prefix))
  • 206.57.0.0/17 (32 768 addresses (/17 prefix))
  • 207.67.0.0/17 (32 768 addresses (/17 prefix))
  • 207.114.128.0/17 (32 768 addresses (/17 prefix))

IPv6 Prefixes (27 total)

  • 2a07:aa00::/29
  • 2001:13b0::/31
  • 2001:4870::/31
  • 2001:450::/32
  • 2803:5790::/32
  • 2804:4c0::/32
  • 2801:105::/44
  • 2001:13b2:8045::/48
  • 2801:16:6800::/48
  • 2801:1d5:d::/48
  • 2803:cae0:8020::/48
  • 2a05:6744::/48