$ query “AS20326” --type=asn → 1 result(s)

AS20326 · TERASWITCH

TeraSwitch Networks Inc.

AS20326 is owned by TeraSwitch Networks Inc. and is a mid-size transit provider, based in the United States since 2007. The system announces a respectable 71 424 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in China and the United Kingdom, and smaller footprints in 11 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #98 by Degree — Top 100 by unique BGP neighbor count

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, 2007
Last Changed
March 04, 2026
Last Seen
October 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
155 / 82
IPv6 Prefixes (raw / aggregated)
30 / 16
IPv4 Addresses
71 424
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇺🇸 United States (47 072 IPs), 🇨🇳 China (6 400 IPs), 🇬🇧 United Kingdom (4 128 IPs) and 11 more
Prefix Changed
October 13, 2026

Reputation

Reputation
Good — 10 flagged IPs out of 71 424 total (0.01%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
1 544 networks exchanging traffic without transit
Downstream Customers
20 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
1 570 unique BGP neighbors
Reach
28 networks in customer cone

Upstream Providers (3)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (155 total)

  • 31.77.80.0/20 (4 096 addresses (/20 prefix))
  • 64.130.32.0/20 (4 096 addresses (/20 prefix))
  • 198.13.128.0/20 (4 096 addresses (/20 prefix))
  • 212.135.48.0/20 (4 096 addresses (/20 prefix))
  • 212.135.80.0/20 (4 096 addresses (/20 prefix))
  • 63.254.168.0/21 (2 048 addresses (/21 prefix))
  • 63.254.176.0/21 (2 048 addresses (/21 prefix))
  • 74.118.136.0/21 (2 048 addresses (/21 prefix))
  • 82.47.232.0/21 (2 048 addresses (/21 prefix))
  • 154.84.176.0/21 (2 048 addresses (/21 prefix))
  • 156.233.88.0/21 (2 048 addresses (/21 prefix))
  • 204.16.240.0/21 (2 048 addresses (/21 prefix))
  • 2.27.208.0/22 (1 024 addresses (/22 prefix))
  • 45.200.0.0/22 (1 024 addresses (/22 prefix))
  • 63.254.164.0/22 (1 024 addresses (/22 prefix))
  • 64.130.52.0/22 (1 024 addresses (/22 prefix))
  • 64.130.56.0/22 (1 024 addresses (/22 prefix))
  • 67.209.52.0/22 (1 024 addresses (/22 prefix))
  • 89.106.8.0/22 (1 024 addresses (/22 prefix))
  • 141.98.216.0/22 (1 024 addresses (/22 prefix))
  • 149.57.88.0/22 (1 024 addresses (/22 prefix))
  • 154.6.156.0/22 (1 024 addresses (/22 prefix))
  • 154.6.180.0/22 (1 024 addresses (/22 prefix))
  • 154.84.160.0/22 (1 024 addresses (/22 prefix))
  • 154.88.56.0/22 (1 024 addresses (/22 prefix))
  • 154.94.12.0/22 (1 024 addresses (/22 prefix))
  • 154.193.164.0/22 (1 024 addresses (/22 prefix))
  • 156.229.232.0/22 (1 024 addresses (/22 prefix))
  • 156.245.216.0/22 (1 024 addresses (/22 prefix))
  • 169.40.200.0/22 (1 024 addresses (/22 prefix))
  • 202.8.8.0/22 (1 024 addresses (/22 prefix))
  • 205.186.88.0/22 (1 024 addresses (/22 prefix))
  • 208.91.108.0/22 (1 024 addresses (/22 prefix))
  • 45.198.252.0/23 (512 addresses (/23 prefix))
  • 45.202.100.0/23 (512 addresses (/23 prefix))
  • 63.254.162.0/23 (512 addresses (/23 prefix))
  • 63.254.184.0/23 (512 addresses (/23 prefix))
  • 64.130.50.0/23 (512 addresses (/23 prefix))
  • 64.130.62.0/23 (512 addresses (/23 prefix))
  • 154.84.188.0/23 (512 addresses (/23 prefix))
  • 154.193.156.0/23 (512 addresses (/23 prefix))
  • 205.196.166.0/23 (512 addresses (/23 prefix))
  • 208.91.104.0/23 (512 addresses (/23 prefix))
  • 13.141.25.0/24 (256 addresses (/24 prefix))
  • 31.58.56.0/24 (256 addresses (/24 prefix))
  • 45.39.250.0/24 (256 addresses (/24 prefix))
  • 63.254.161.0/24 (256 addresses (/24 prefix))
  • 63.254.186.0/24 (256 addresses (/24 prefix))
  • 63.254.188.0/24 (256 addresses (/24 prefix))
  • 64.130.49.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (30 total)

  • 2607:fdc0:500::/40
  • 2607:fdc0:700::/40
  • 2607:fdc0:800::/40
  • 2607:fdc0::/41
  • 2607:fdc0:100::/41
  • 2607:fdc0:280::/41
  • 2607:fdc0:300::/41
  • 2607:fdc0:900::/41
  • 2607:fdc0:80::/42
  • 2607:fdc0:1c0::/42
  • 2607:fdc0:200::/42
  • 2607:fdc0:3c0::/42
  • 2607:fdc0:4c0::/42
  • 2607:fdc0:980::/42
  • 2607:fdc0:a00::/42
  • 2607:fdc0:a80::/42