All ASNs

Autonomous System details for AS13576

AS13576

SDN Communications • sdncommunications.com

AS13576 — SDN Communications

AS Name

SDNW-13576

Country

United States (US)

Website

sdncommunications.com

Number of IPv4

137,216

Number of IPv6

2.48 × 10²⁹

ASN type

ISP

Status

Assigned

Registry

ARIN

Allocated

July 08, 1999

Last updated

February 04, 2026

IP Ranges

83 IPv4 prefixes, 5 IPv6 prefixes

Prefix	Company	Number of IPs
38.50.52.0/22	Venture Communications Cooperative, Inc.	1,024
38.67.248.0/21	Venture Communications Cooperative, Inc.	2,048
38.191.156.0/22	SANTEL COMMUNICATIONS COOPERATIVE	1,024
64.33.224.0/19	ITC Telecom	8,192
64.33.252.0/24	SDN Communications	256
66.115.192.0/18	SDN Communications	16,384
66.115.198.0/24	Midstate communications	256
66.115.201.0/24	NATIVE AMERICAN TELECOM	256
66.115.221.0/24	First Premier	256
66.115.223.0/24	Valley Telephone Company	256
66.115.224.0/24	COMMUNITY INTERNET SERVICE	256
66.115.226.0/24	SDN Communications	256
66.115.227.0/24	SDN Communications	256
66.115.234.0/24	SDN Communications	256
66.115.252.0/23	Midstate Communications, Inc.	512
66.115.254.0/24	Valley Telephone Company	256
66.128.160.0/19	SDN Communications	8,192
66.128.166.0/23	SDN Communications	512
66.128.171.0/24	SDN Communications	256
66.128.173.0/24	SDN Communications	256
66.128.174.0/24	SDN Communications	256
66.128.175.0/24	SDN Communications	256
66.128.176.0/24	SDN Communications	256
66.128.179.0/24	SDN Communications	256
66.231.0.0/19	SDN Communications	8,192
66.231.0.0/24	SDN Communications	256
66.231.15.0/24	SDN Communications	256
66.231.21.0/24	SDN Communications	256
66.231.26.0/24	Midstate communications	256
66.231.29.0/24	SDN Communications	256
68.168.224.0/20	C.R.S.T. Telephone Authority	4,096
76.76.12.0/24	Interlakeswireless	256
98.159.176.0/20	Venture Communications Cooperative	4,096
104.167.204.0/22	Valley FiberCom	1,024
142.202.132.0/22	Valley FiberCom	1,024
155.103.92.0/24	Pacy World	256
162.120.74.0/23	Midstate Communications, Inc.	512
170.199.218.0/24	Midstate Communications, Inc.	256
170.199.219.0/24	Midstate Communications, Inc.	256
170.199.220.0/23	Midstate Communications, Inc.	512
199.96.68.0/22	Valley FiberCom	1,024
204.80.157.0/24	Midstate Communications, Inc.	256
206.85.176.0/21	Valley Telecommunications	2,048
208.53.192.0/18	SDN Communications	16,384
208.53.193.0/24	SDN Communications	256
208.53.194.0/24	SDN Communications	256
208.53.196.0/24	Midstate communications	256
208.53.197.0/24	Midstate communications	256
208.53.198.0/23	Midstate communications	512
208.53.202.0/24	SDN Communications	256
208.53.203.0/24	SDN Communications	256
208.53.207.0/24	SDN Communications	256
208.53.208.0/24	SDN Communications	256
208.53.209.0/24	SDN Communications	256
208.53.211.0/24	SDN Communications	256
208.53.221.0/24	SDN Communications	256
208.53.224.0/23	SDN Communications	512
208.53.226.0/23	SDN Communications	512
208.53.228.0/23	SDN Communications	512
208.53.230.0/23	SDN Communications	512
208.53.232.0/23	SDN Communications	512
208.53.234.0/23	SDN Communications	512
208.53.236.0/23	SDN Communications	512
208.53.238.0/24	SDN Communications	256
208.53.252.0/24	SDN Communications	256
208.53.253.0/24	SDN Communications	256
209.142.104.0/22	Venture Communications Cooperative	1,024
209.151.176.0/20	SDN Communications	4,096
209.151.181.0/24	SDN Communications	256
216.106.192.0/18	ITC Telecom	16,384
216.106.216.0/22	Valley Telephone Company	1,024
216.106.232.0/22	Alliance Communications	1,024
216.249.192.0/18	Alliance Communications	16,384
216.249.195.0/24	SDN Communications	256
216.249.197.0/24	SDN Communications	256
216.249.214.0/24	SDN Communications	256
216.249.222.0/23	Kennebec Telephone Company	512
216.249.224.0/23	SDN Communications	512
216.249.227.0/24	SDN Communications	256
216.249.240.0/24	SDN Communications	256
216.249.242.0/23	SDN Communications	512
216.249.244.0/22	SDN Communications	1,024
216.249.248.0/21	SDN Communications	2,048
2602:ff5b::/36	Midstate Communications, Inc.	4.95 × 10²⁷
2605:4900::/32	Venture Communications Cooperative	7.92 × 10²⁸
2605:4b80::/32	Santel Communications Cooperative, Inc.	7.92 × 10²⁸
2605:4b80:f000::/36	Santel Communications Cooperative, Inc.	4.95 × 10²⁷
2607:fc00::/32	SDN Communications	7.92 × 10²⁸

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS13576

4 peers

AS286 AS1828 AS4181 AS14537

AS13576 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS13576

7 upstreams

AS174 AS1299 AS2914 AS3257 AS6461 AS6939 AS64289

AS13576 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS13576 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS13576

48 downstreams

AS6312 AS6580 AS10551 AS12042 AS14675 AS14789 AS14955 AS15100 AS15157 AS15204 AS17203 AS17378 AS18785 AS18870 AS19031 AS20014 AS20300 AS22223 AS23011 AS25732 AS26023 AS26793 AS26860 AS27539 AS30220 AS32231 AS32598 AS36013 AS46566 AS46623 AS46900 AS47097 AS53309 AS393452 AS393821 AS394790 AS395037 AS396119 AS396164 AS397608 AS397745 AS398112 AS398176 AS399036 AS399439 AS399763 AS401415 AS402159

AS13576 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.