AS20701 CZ.NIC z.s.p.o.
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 5.187.34.0/24 | 5.187.34.0 | 5.187.34.255 | 256 | |
| 185.43.135.0/24 | 185.43.135.0 | 185.43.135.255 | 256 | |
| 193.17.47.0/24 | 193.17.47.0 | 193.17.47.255 | 256 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2001:1489::/32 | 2001:1489:: | 2001:1489:ffff:ffff:ffff:ffff:ffff:ffff | 79.23 Octillion | |
| 2001:148a::/31 | 2001:148a:: | 2001:148b:ffff:ffff:ffff:ffff:ffff:ffff | 158.46 Octillion | |
| 2001:148c::/31 | 2001:148c:: | 2001:148d:ffff:ffff:ffff:ffff:ffff:ffff | 158.46 Octillion | |
| 2001:148e::/32 | 2001:148e:: | 2001:148e:ffff:ffff:ffff:ffff:ffff:ffff | 79.23 Octillion | |
| 2001:148f::/33 | 2001:148f:: | 2001:148f:7fff:ffff:ffff:ffff:ffff:ffff | 39.61 Octillion | |
| 2001:148f:8000::/34 | 2001:148f:8000:: | 2001:148f:bfff:ffff:ffff:ffff:ffff:ffff | 19.81 Octillion | |
| 2001:148f:c000::/35 | 2001:148f:c000:: | 2001:148f:dfff:ffff:ffff:ffff:ffff:ffff | 9.90 Octillion | |
| 2001:148f:e000::/36 | 2001:148f:e000:: | 2001:148f:efff:ffff:ffff:ffff:ffff:ffff | 4.95 Octillion | |
| 2001:148f:f000::/37 | 2001:148f:f000:: | 2001:148f:f7ff:ffff:ffff:ffff:ffff:ffff | 2.48 Octillion | |
| 2001:148f:f800::/38 | 2001:148f:f800:: | 2001:148f:fbff:ffff:ffff:ffff:ffff:ffff | 1.24 Octillion | |
| 2001:148f:fc00::/39 | 2001:148f:fc00:: | 2001:148f:fdff:ffff:ffff:ffff:ffff:ffff | 618.97 Septillion | |
| 2001:148f:fe00::/40 | 2001:148f:fe00:: | 2001:148f:feff:ffff:ffff:ffff:ffff:ffff | 309.49 Septillion | |
| 2001:148f:ff00::/41 | 2001:148f:ff00:: | 2001:148f:ff7f:ffff:ffff:ffff:ffff:ffff | 154.74 Septillion | |
| 2001:148f:ff80::/42 | 2001:148f:ff80:: | 2001:148f:ffbf:ffff:ffff:ffff:ffff:ffff | 77.37 Septillion | |
| 2001:148f:ffc0::/43 | 2001:148f:ffc0:: | 2001:148f:ffdf:ffff:ffff:ffff:ffff:ffff | 38.69 Septillion | |
| 2001:148f:ffe0::/44 | 2001:148f:ffe0:: | 2001:148f:ffef:ffff:ffff:ffff:ffff:ffff | 19.34 Septillion | |
| 2001:148f:fff0::/45 | 2001:148f:fff0:: | 2001:148f:fff7:ffff:ffff:ffff:ffff:ffff | 9.67 Septillion | |
| 2001:148f:fff8::/47 | 2001:148f:fff8:: | 2001:148f:fff9:ffff:ffff:ffff:ffff:ffff | 2.42 Septillion | |
| 2001:148f:fffa::/48 | 2001:148f:fffa:: | 2001:148f:fffa:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:148f:fffe::/48 | 2001:148f:fffe:: | 2001:148f:fffe:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:148f:ffff::/48 | 2001:148f:ffff:: | 2001:148f:ffff:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion |
Upstreams
Downstreams
There are no downstreams for this ASN.
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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