This is the ip config of that laptop:
Windows IP Configuration
Host Name . . . . . . . . . . . . : LAPTOP-LLSRGDUD
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : telenet.be
Ethernet adapter Ethernet:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : sitecomwlr4000
Description . . . . . . . . . . . : Realtek PCIe GbE Family Controller
Physical Address. . . . . . . . . : 98-01-A7-44-57-5D
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Ethernet 3:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TunnelBear Adapter V9
Physical Address. . . . . . . . . : 00-FF-E2-ED-5F-F0
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter LAN-verbinding* 2:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter
Physical Address. . . . . . . . . : D0-57-7B-38-92-81
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter LAN-verbinding* 12:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter #2
Physical Address. . . . . . . . . : D2-57-7B-38-92-80
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Ethernet 2:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TAP-Windows Adapter V9
Physical Address. . . . . . . . . : 00-FF-9C-0D-96-30
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter Wi-Fi:
Connection-specific DNS Suffix . : sitecomwlr4000
Description . . . . . . . . . . . : Intel(R) Dual Band Wireless-AC 7265
Physical Address. . . . . . . . . : 16-A8-8B-5F-24-07
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2a02:1811:cd1f:f00:1d6f:fdc9:cc45:342c(Preferred)
Temporary IPv6 Address. . . . . . : 2a02:1811:cd1f:f00:55ea:669b:a512:7aa8(Preferred)
Link-local IPv6 Address . . . . . : fe80::1d6f:fdc9:cc45:342c%13(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.120(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Sunday, August 9, 2020 2:44:41 PM
Lease Expires . . . . . . . . . . : Wednesday, August 7, 2030 2:44:41 PM
Default Gateway . . . . . . . . . : fe80::6802:b8ff:fe00:9b7f%13
192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 219588747
DHCPv6 Client DUID. . . . . . . . : 00-03-00-01-16-A8-8B-5F-24-07
DNS Servers . . . . . . . . . . . : 8.8.8.8
8.8.4.4
2a02:1800:100::45:2
2a02:1800:100::45:1
Primary WINS Server . . . . . . . : 192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Connection-specific DNS Suffix Search List :
telenet.be
Ethernet adapter Bluetooth-netwerkverbinding:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : D0-57-7B-38-92-84
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
From what I can see the DHCP is managed by the modem.