$ query “AS21782” --type=asn → 1 result(s)

AS21782 · PLATEAU

Plateau Telecommunications Incorporated

AS21782 is owned by Plateau Telecommunications Incorporated and is a mid-size transit provider, based in the United States since 2001. The system announces a respectable 47 872 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 20, 2001
Last Changed
March 04, 2026
Last Seen
July 26, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
20 / 18
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
47 872
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (64 256 IPs)
Prefix Changed
June 25, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Downstream Customers
14 downstreams buying transit
Degree
17 unique BGP neighbors
Reach
20 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (20 total)

  • 74.50.128.0/19 (8 192 addresses (/19 prefix))
  • 64.90.144.0/20 (4 096 addresses (/20 prefix))
  • 64.127.144.0/20 (4 096 addresses (/20 prefix))
  • 207.246.224.0/20 (4 096 addresses (/20 prefix))
  • 199.45.128.0/20 (4 096 addresses (/20 prefix))
  • 67.209.192.0/20 (4 096 addresses (/20 prefix))
  • 159.198.16.0/20 (4 096 addresses (/20 prefix))
  • 68.66.88.0/21 (2 048 addresses (/21 prefix))
  • 104.156.32.0/21 (2 048 addresses (/21 prefix))
  • 67.209.208.0/21 (2 048 addresses (/21 prefix))
  • 192.95.112.0/21 (2 048 addresses (/21 prefix))
  • 66.199.240.0/21 (2 048 addresses (/21 prefix))
  • 68.66.80.0/22 (1 024 addresses (/22 prefix))
  • 67.209.220.0/22 (1 024 addresses (/22 prefix))
  • 199.30.84.0/22 (1 024 addresses (/22 prefix))
  • 66.199.248.0/22 (1 024 addresses (/22 prefix))
  • 199.229.238.0/23 (512 addresses (/23 prefix))
  • 206.206.152.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2605:af00::/32