| Prefix | Company | Number of IPs |
|---|---|---|
| 23.144.148.0/24 | Phillips Community College of the University of Arkansas | 256 |
| 130.184.31.0/24 | University of Arkansas | 256 |
| 130.184.47.0/24 | University of Arkansas | 256 |
| 147.97.8.0/24 | Arkansas State University | 256 |
| 147.97.12.0/23 | Arkansas State University | 512 |
| 147.97.14.0/23 | Arkansas State University | 512 |
| 147.97.16.0/21 | Arkansas State University | 2,048 |
| 147.97.30.0/23 | Arkansas State University | 512 |
| 159.150.4.0/22 | University of Arkansas for Medical Sciences | 1,024 |
| 161.31.0.0/16 | University of Central Arkansas | 65,536 |
| 198.181.214.0/24 | Arkansas Research and Education Optical Network | 256 |
| 198.181.240.0/24 | Arkansas Research and Education Optical Network | 256 |
| 208.90.104.0/21 | Division of Agriculture of the University of Arkansas | 2,048 |
| 208.90.104.0/22 | Division of Agriculture of the University of Arkansas | 1,024 |
| 208.90.108.0/24 | Arkansas Research and Education Optical Network | 256 |
| 208.90.110.0/24 | Arkansas Research and Education Optical Network | 256 |
| 2607:f4f0::/32 | Arkansas Research and Education Optical Network | 7.92 × 1028 |
| 2607:f4f0:155::/48 | Arkansas Research and Education Optical Network | 1.21 × 1024 |
| 2607:f4f0:1bb::/48 | Arkansas Research and Education Optical Network | 1.21 × 1024 |
| 2607:f4f0:240::/48 | Arkansas Research and Education Optical Network | 1.21 × 1024 |
| 2607:f4f0:280::/48 | Arkansas Research and Education Optical Network | 1.21 × 1024 |
| 2607:f4f0:300::/48 | Arkansas Research and Education Optical Network | 1.21 × 1024 |
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.
AS40581 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.
AS40581 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.
Discover your public IP address and detailed information about your connection.
Convert CIDR notation to IP address ranges and vice versa. Useful for network configuration and security.
Perform a reverse DNS (rDNS) lookup to get the hostname for an IP address.
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