$ query “AS397423” --type=asn → 1 result(s)

AS397423 · TIER-NET

Tier.Net Technologies LLC

AS397423 is operated by Tier.Net Technologies LLC and serves as a mid-size transit provider, based in the United States since 2019. The system announces a respectable 92 416 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Lithuania and Vietnam, and smaller footprints in 23 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
March 26, 2019
Last Changed
March 04, 2026
Last Seen
August 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
309 / 240
IPv6 Prefixes (raw / aggregated)
26 / 21
IPv4 Addresses
92 416
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (96 208 IPs), 🇱🇹 Lithuania (5 888 IPs), 🇻🇳 Vietnam (4 688 IPs) and 23 more
Prefix Changed
August 11, 2026

Reputation

Reputation
Good — 18 flagged IPs out of 92 416 total (0.02%)

Connectivity Summary

Upstream Providers
9 upstreams providing transit
Peers
26 networks exchanging traffic without transit
Downstream Customers
26 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
63 unique BGP neighbors
Reach
39 networks in customer cone

Upstream Providers (9)

Prefix Lists

IPv4 Prefixes (309 total)

  • 147.124.192.0/21 (2 048 addresses (/21 prefix))
  • 154.29.64.0/21 (2 048 addresses (/21 prefix))
  • 143.20.180.0/22 (1 024 addresses (/22 prefix))
  • 82.41.84.0/22 (1 024 addresses (/22 prefix))
  • 212.135.200.0/22 (1 024 addresses (/22 prefix))
  • 64.205.220.0/22 (1 024 addresses (/22 prefix))
  • 82.41.60.0/22 (1 024 addresses (/22 prefix))
  • 82.41.76.0/22 (1 024 addresses (/22 prefix))
  • 66.235.172.0/22 (1 024 addresses (/22 prefix))
  • 64.93.32.0/22 (1 024 addresses (/22 prefix))
  • 82.41.92.0/22 (1 024 addresses (/22 prefix))
  • 198.37.96.0/22 (1 024 addresses (/22 prefix))
  • 216.173.112.0/22 (1 024 addresses (/22 prefix))
  • 154.29.72.0/22 (1 024 addresses (/22 prefix))
  • 185.251.144.0/22 (1 024 addresses (/22 prefix))
  • 147.124.200.0/22 (1 024 addresses (/22 prefix))
  • 192.154.224.0/22 (1 024 addresses (/22 prefix))
  • 190.102.100.0/22 (1 024 addresses (/22 prefix))
  • 45.59.160.0/22 (1 024 addresses (/22 prefix))
  • 45.42.144.0/22 (1 024 addresses (/22 prefix))
  • 173.0.8.0/22 (1 024 addresses (/22 prefix))
  • 170.39.212.0/22 (1 024 addresses (/22 prefix))
  • 38.18.228.0/22 (1 024 addresses (/22 prefix))
  • 165.140.84.0/22 (1 024 addresses (/22 prefix))
  • 154.16.168.0/22 (1 024 addresses (/22 prefix))
  • 216.239.108.0/22 (1 024 addresses (/22 prefix))
  • 31.58.20.0/23 (512 addresses (/23 prefix))
  • 66.235.168.0/23 (512 addresses (/23 prefix))
  • 38.92.48.0/23 (512 addresses (/23 prefix))
  • 154.29.86.0/23 (512 addresses (/23 prefix))
  • 154.29.76.0/23 (512 addresses (/23 prefix))
  • 38.92.40.0/23 (512 addresses (/23 prefix))
  • 155.254.16.0/23 (512 addresses (/23 prefix))
  • 155.254.28.0/23 (512 addresses (/23 prefix))
  • 154.7.254.0/23 (512 addresses (/23 prefix))
  • 150.241.226.0/23 (512 addresses (/23 prefix))
  • 147.124.204.0/23 (512 addresses (/23 prefix))
  • 181.215.242.0/23 (512 addresses (/23 prefix))
  • 45.43.2.0/23 (512 addresses (/23 prefix))
  • 45.43.10.0/23 (512 addresses (/23 prefix))
  • 45.43.14.0/23 (512 addresses (/23 prefix))
  • 45.43.18.0/23 (512 addresses (/23 prefix))
  • 192.154.228.0/23 (512 addresses (/23 prefix))
  • 154.30.2.0/23 (512 addresses (/23 prefix))
  • 192.154.254.0/23 (512 addresses (/23 prefix))
  • 8.39.234.0/23 (512 addresses (/23 prefix))
  • 192.158.224.0/23 (512 addresses (/23 prefix))
  • 104.249.62.0/23 (512 addresses (/23 prefix))
  • 104.245.246.0/23 (512 addresses (/23 prefix))
  • 89.149.40.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (26 total)

  • 2604:2820::/32
  • 2604:f440:200::/39
  • 2602:f94c::/40
  • 2a14:1ec7:f700::/44
  • 2604:f440:18::/45
  • 2604:f440:28::/46
  • 2604:f440:8::/47
  • 2604:f440:e::/47
  • 2604:f440:2::/47
  • 2604:f440:4::/47
  • 2604:7580:9::/48
  • 2604:f440:7::/48
  • 2604:f440:a::/48
  • 2604:f440:1::/48
  • 2604:f440:10::/48
  • 2604:7580:f1::/48
  • 2602:2c8::/48
  • 2602:fed2:7127::/48
  • 2605:6c80:6::/48
  • 2620:db:a000::/48
  • 2602:fed2:7116::/48