AS21782 Plateau Telecommunications

AS21782 is operated by Plateau Telecommunications and registered with ARIN (US) since 2001-06-20.

It announces 20 IPv4 and 1 IPv6 prefixes, 80% of them RPKI valid.

RIPE RIS sees 2 upstream and peer networks and 13 downstream networks next to it.

PeeringDB lists it as a Cable/DSL/ISP network. Its peering policy is selective.

Run the full network report BGP lookup WHOIS PeeringDB lookup

Name	Plateau Telecommunications
Registry handle	PLATEAU
Registry (RIR)	ARIN
Country	United States (US)
Delegated on	2001-06-20
Network type	Cable/DSL/ISP, Regional
Peering policy	Selective
IRR as-set	AS-PLATEAU
Prefixes (IPv4 / IPv6)	20 / 1
RPKI valid	80% (17 / 21)
Upstreams and peers	2
Downstream networks	13
Website	plateautel.com

Routing health

AS21782 announces 20 IPv4 and 1 IPv6 prefixes.
17 of 21 announced prefixes are RPKI valid.
4 announced prefixes are not covered by a ROA of AS21782 (they may have none, or another network’s).
2 upstreams and peers, 13 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 21

64.90.144.0/20
64.127.144.0/20
66.199.240.0/21
66.199.248.0/22
67.209.192.0/20
67.209.208.0/21
67.209.220.0/22
68.66.80.0/22
68.66.88.0/21
74.50.128.0/19
104.156.32.0/21
159.198.16.0/20
192.95.112.0/21
199.30.84.0/22
199.45.128.0/20
199.229.238.0/23
199.229.238.0/24
199.229.239.0/24
206.206.152.0/24
207.246.224.0/20
2605:af00::/32

Upstreams and peers 2

The networks RIPE RIS sees next to AS21782 in BGP paths, the most visible first.

Peering

Peering policy: Selective. Suggested max-prefix limits: 100 IPv4, 5 IPv6. PeeringDB record

More about AS21782

← AS21781 AS21783 →

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 16:08 UTC. The country is where the AS number was registered, not necessarily where the network operates.