How to implement the following Cisco Packet Tracer network? Just that instead of being network range from 160.0.0.0 - 169.0.0.0, it should be 170.0.0.0 - 179.0.0.0

Thanks!

167.11.1 PC-PT PC19 PC20 PC21 3560-240S Multilayer Switchs L65.1.L1 ga /1 201 Router s0/3/1 20/3/0 154. 1.1.1 s0/3/1 2911 Router3 160. 1.11 gan 29 162.1.1.1 tautro 2011 291 Multyer wtch4 161.128.1.1 PC2 163.1.1.1 PC-PT Routerl 168.1.11 PC23 3560-APS G0/2 165. 1.1.1 Pe Mutieyer witch1 PC3 170.1.1.1 3560-24PS Multilayer Switcho LEL.1.11 PC-PT 24PS Mujelaver Switchz PC17 PC16 ITT'EST Mutier itcho 2411 OSO Rougers PC-MT Mullayer Ewcha Router PC29 s0,3/1 166. 128. 11 162. 128.11 PC-FT FC12 3-APS Mujlayer Ewitoch6 PC-P PC-FT PC-FT PC-PT 2900-241 PCI Switcho PCO PC10 PC11 S0/3/1 164.128.1.1 960-24TT Switch? 2960-T Switch PC PT s0/3/0 211 Routers PC-PT 2951ATT Syitch 2960 T Switeh 2960-TT Switche PC13 PC PT PC22 Roucers Sitch PC23 155. 128. 1.1 163. 120.L.1 Server PT Servidor HTTP Server-PT PCPT PCT PC-PT PCS PC-PT PC.PT PC9 ServerFTP Mulilaye Switch? Multiyer witch8 Server-PT Servidor DHCP PC PT PC4 PC6 PC7 PC-PT PCPT PC33 Server-PT Servider Dns PC32 PC31 PC-PT PC-PT PC24 PC26 PC25