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

AS397423 · TIER-NET

Tier.Net Technologies LLC

AS397423 belongs to Tier.Net Technologies LLC and is a mid-size transit provider, established in the United States in 2019. The system announces a respectable 97 792 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Lithuania and Romania, and smaller footprints in 21 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
October 23, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
330 / 261
IPv6 Prefixes (raw / aggregated)
27 / 22
IPv4 Addresses
97 792
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (75 312 IPs), 🇱🇹 Lithuania (4 608 IPs), 🇷🇴 Romania (3 072 IPs) and 21 more
Prefix Changed
October 24, 2026

Reputation

Reputation
Good — 11 flagged IPs out of 97 792 total (0.01%)
Open Proxies
10 known open proxies in this network

Connectivity Summary

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

Upstream Providers (7)

Prefix Lists

IPv4 Prefixes (330 total)

  • 147.124.192.0/21 (2 048 addresses (/21 prefix))
  • 154.29.64.0/21 (2 048 addresses (/21 prefix))
  • 38.18.228.0/22 (1 024 addresses (/22 prefix))
  • 45.42.144.0/22 (1 024 addresses (/22 prefix))
  • 45.59.160.0/22 (1 024 addresses (/22 prefix))
  • 64.93.32.0/22 (1 024 addresses (/22 prefix))
  • 64.205.220.0/22 (1 024 addresses (/22 prefix))
  • 66.235.172.0/22 (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))
  • 82.41.84.0/22 (1 024 addresses (/22 prefix))
  • 82.41.92.0/22 (1 024 addresses (/22 prefix))
  • 143.20.180.0/22 (1 024 addresses (/22 prefix))
  • 147.124.200.0/22 (1 024 addresses (/22 prefix))
  • 154.16.168.0/22 (1 024 addresses (/22 prefix))
  • 154.29.72.0/22 (1 024 addresses (/22 prefix))
  • 165.140.84.0/22 (1 024 addresses (/22 prefix))
  • 170.39.212.0/22 (1 024 addresses (/22 prefix))
  • 173.0.8.0/22 (1 024 addresses (/22 prefix))
  • 185.251.144.0/22 (1 024 addresses (/22 prefix))
  • 190.102.100.0/22 (1 024 addresses (/22 prefix))
  • 192.154.224.0/22 (1 024 addresses (/22 prefix))
  • 198.37.96.0/22 (1 024 addresses (/22 prefix))
  • 212.135.200.0/22 (1 024 addresses (/22 prefix))
  • 216.173.112.0/22 (1 024 addresses (/22 prefix))
  • 216.239.108.0/22 (1 024 addresses (/22 prefix))
  • 8.39.234.0/23 (512 addresses (/23 prefix))
  • 31.57.78.0/23 (512 addresses (/23 prefix))
  • 31.57.80.0/23 (512 addresses (/23 prefix))
  • 31.57.86.0/23 (512 addresses (/23 prefix))
  • 31.58.20.0/23 (512 addresses (/23 prefix))
  • 38.92.40.0/23 (512 addresses (/23 prefix))
  • 38.92.48.0/23 (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))
  • 66.235.168.0/23 (512 addresses (/23 prefix))
  • 68.233.34.0/23 (512 addresses (/23 prefix))
  • 82.25.28.0/23 (512 addresses (/23 prefix))
  • 89.149.24.0/23 (512 addresses (/23 prefix))
  • 89.149.38.0/23 (512 addresses (/23 prefix))
  • 89.149.40.0/23 (512 addresses (/23 prefix))
  • 104.245.246.0/23 (512 addresses (/23 prefix))
  • 104.249.62.0/23 (512 addresses (/23 prefix))
  • 147.124.204.0/23 (512 addresses (/23 prefix))
  • 150.241.226.0/23 (512 addresses (/23 prefix))
  • 154.7.254.0/23 (512 addresses (/23 prefix))
  • 154.29.76.0/23 (512 addresses (/23 prefix))
  • 154.29.86.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (27 total)

  • 2604:2820::/32
  • 2a0f:6282:4000::/36
  • 2604:f440:200::/39
  • 2602:f94c::/40
  • 2a14:1ec7:f700::/44
  • 2604:f440:18::/45
  • 2604:f440:28::/46
  • 2604:f440:2::/47
  • 2604:f440:4::/47
  • 2604:f440:8::/47
  • 2604:f440:e::/47
  • 2602:2c8::/48
  • 2602:fed2:7116::/48
  • 2602:fed2:7127::/48
  • 2604:7580:9::/48
  • 2604:7580:f1::/48
  • 2604:f440:1::/48
  • 2604:f440:7::/48
  • 2604:f440:a::/48
  • 2604:f440:10::/48
  • 2605:6c80:6::/48
  • 2620:db:a000::/48