This is what my router system log says ... if that is what you mean tho
Index Time Type Level Log Content201Nov 14 00:06:34 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103200Nov 14 00:06:34 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA199Nov 13 23:59:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103198Nov 13 23:59:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA197Nov 13 23:54:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103196Nov 13 23:54:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA195Nov 13 23:48:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103194Nov 13 23:48:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA193Nov 13 23:42:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103192Nov 13 23:42:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA191Nov 13 23:37:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103190Nov 13 23:37:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA189Nov 13 23:30:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103188Nov 13 23:30:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA187Nov 13 23:26:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103186Nov 13 23:26:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA185Nov 13 23:25:14 DHCP NOTICE DHCPS:Send ACK to 192.168.1.104184Nov 13 23:25:14 DHCP NOTICE DHCPS:Recv REQUEST from 90:21:55:7F:EA:81183Nov 13 23:18:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103182Nov 13 23:18:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA181Nov 13 23:15:36 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103180Nov 13 23:15:36 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA179Nov 13 23:15:07 DHCP NOTICE DHCPS:Send ACK to 192.168.1.100178Nov 13 23:15:07 DHCP NOTICE DHCPS:Recv REQUEST from 70:F1:A1:18:FF:AD177Nov 13 23:14:25 DHCP NOTICE DHCPS:Send ACK to 192.168.1.101176Nov 13 23:14:25 DHCP NOTICE DHCPS:Recv REQUEST from 00:1A:73

B:37:C0175Nov 13 23:12:06 DHCP NOTICE DHCPS:Recv INFORM from 70:F1:A1:18:FF:AD174Nov 13 23:06:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103173Nov 13 23:06:33 DHCP NOTICE DHCPS:Recv REQUEST from E0:0C:7F:7A:75:BA172Nov 13 23:04:33 DHCP NOTICE DHCPS:Send ACK to 192.168.1.103
Cant Really find anything .. but I do lack knowledge about these kind of things

Its a bit messy

sorry about that ..