宝塚だが、

zaq3a55af81.zaq.ne.jp(58.85.175.129)
と
10.49.0.1
のUDP　67番(bootps)から、

255.255.255.255のブロードキャストアドレスで
68番(bootps)向けのパケットがずっと流れてくるんだけど、うちだけ？？？

09:07:29.713873 IP 10.49.0.1.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 320
09:07:29.751244 IP 10.49.0.1.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 320
09:07:33.225723 IP zaq3a55af81.zaq.ne.jp.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 300
09:07:39.361161 IP zaq3a55af81.zaq.ne.jp.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 306
09:07:42.440488 IP zaq3a55af81.zaq.ne.jp.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 300
09:07:42.501350 IP zaq3a55af81.zaq.ne.jp.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 304
09:07:45.148397 IP zaq3a55af81.zaq.ne.jp.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 306
09:07:45.714483 IP 10.49.0.1.bootps > 255.255.255.255.bootpc: BOOTP/DHCP, Reply, length: 320