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

AS3549 — LVLT-3549

Level 3 Parent LLC

AS3549 is a major transit provider run by Level 3 Parent LLC, established in the United States in 2000. The network announces an impressive 5.0 million IPv4 addresses, including a /14. Supports IPv6.

  • 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
March 04, 2026
Last Seen
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
641 / 250
IPv6 Prefixes (raw / aggregated)
29 / 13
IPv4 Addresses
5 032 448
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇸 US (287 IPs), 🇦🇷 AR (394 IPs), 🇬🇧 GB (16 IPs), 🇨🇴 CO, 🇩🇪 DE, 🇪🇨 EC, 🇵🇪 PE, 🇨🇱 CL, 🇧🇷 BR, 🇻🇪 VE, 🇯🇵 JP, 🇲🇽 MX, 🇦🇺 AU, 🇪🇸 ES and 43 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 6 flagged IPs out of 5 032 448 total (0.00%)
Open Proxies
3 known open proxies in this network

Connectivity Summary

Upstream Providers
2 upstream autonomous systems providing transit
Peers
58 autonomous systems exchanging traffic without transit fees
Downstream Customers
312 downstream autonomous systems buying transit
Degree
384 unique BGP neighbors (providers + customers + peers)
Reach
20 636 — customer cone size measuring network influence
Degree Rank
#349
Reach Rank
#392

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (641 total)

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

IPv6 Prefixes (29 total)

  • 2a07:aa00::/29
  • 2001:13b0::/31
  • 2001:4870::/31
  • 2001:450::/32
  • 2803:5790::/32
  • 2803:8590::/32
  • 2804:4c0::/32
  • 2620:11b:e080::/44
  • 2801:105::/44
  • 2801:16:6800::/48
  • 2801:1d5:d::/48
  • 2803:cae0:8020::/48
  • 2a05:6744::/48