@article{weko_199565_1,
   author	 = "Tomofumi,Nakamori and Daiki,Chiba and Mitsuaki,Akiyama and Shigeki,Goto",
   title	 = "Detecting Dynamic IP Addresses and Cloud Blocks Using the Sequential Characteristics of PTR Records",
   journal	 = "情報処理学会論文誌",
   year 	 = "2019",
   volume	 = "60",
   number	 = "9",
   month	 = "sep"
}