addr: 1019, floor 10, building 6, yard 3, huangchang road, chaoyang district, Beijing reg: CN, APNIC, 2018-04-24
uu: u4: u6: dd: 23844 d4: 23844 d6:
AS9929 ➡️ CUII CHINA UNICOM Industrial Internet Backbone, CN AS23844 ➤ BJ-GUANGHUAN-AP Beijing Guanghuan Xinwang Digital, CN downstream