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IPv6 prefix

2001:250:0:0:0:0:0:0/35

IP Prefix (CIDR)
2001:250:0:0:0:0:0:0/35
Address Count
9.9035 x 10^27
IP Range
2001:250:0:0:0:0:0:0 - 2001:250:1fff:ffff:ffff:ffff:ffff:ffff
Subnet calculator
Calculate subnet details
Registered Owner
Owner
Li Xing
Handle
LX58-AP
Country
China (CN)
Address
China Education and Research Network China Education and Research Network Center Tsinghua University Beijing, 100084 CN
Registry
APNIC
Registered Prefix
2001:250::/32 (2001:250:0:0:0:0:0:0 - 2001:250:ffff:ffff:ffff:ffff:ffff:ffff)
Delegated Prefix
2001:250::/35 (2001:250:0:0:0:0:0:0 - 2001:250:1fff:ffff:ffff:ffff:ffff:ffff)
BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
2001:250:0:0:0:0:0:0/31 Covering AS23910 China Next Generation Internet CERNET2 China (CN) 2001:250:0:0:0:0:0:0 2001:251:ffff:ffff:ffff:ffff:ffff:ffff
2001:250:2:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:2:0:0:0:0:0 2001:250:2:ffff:ffff:ffff:ffff:ffff
2001:250:4:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:4:0:0:0:0:0 2001:250:4:ffff:ffff:ffff:ffff:ffff
2001:250:205:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:205:0:0:0:0:0 2001:250:205:ffff:ffff:ffff:ffff:ffff
2001:250:206:0:0:0:0:0/48 More specific AS24351 CERNET2 IX at Beijing University of Aeronautics and Astronautics China (CN) 2001:250:206:0:0:0:0:0 2001:250:206:ffff:ffff:ffff:ffff:ffff
2001:250:207:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:207:0:0:0:0:0 2001:250:207:ffff:ffff:ffff:ffff:ffff
2001:250:208:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:208:0:0:0:0:0 2001:250:208:ffff:ffff:ffff:ffff:ffff
2001:250:209:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:209:0:0:0:0:0 2001:250:209:ffff:ffff:ffff:ffff:ffff
2001:250:20a:0:0:0:0:0/48 More specific AS24351 CERNET2 IX at Beijing University of Aeronautics and Astronautics China (CN) 2001:250:20a:0:0:0:0:0 2001:250:20a:ffff:ffff:ffff:ffff:ffff
2001:250:20b:0:0:0:0:0/48 More specific AS24350 CERNET2 IX at Beijing University of Posts and Telecommunications China (CN) 2001:250:20b:0:0:0:0:0 2001:250:20b:ffff:ffff:ffff:ffff:ffff
2001:250:20c:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:20c:0:0:0:0:0 2001:250:20c:ffff:ffff:ffff:ffff:ffff
2001:250:20f:0:0:0:0:0/48 More specific AS24351 CERNET2 IX at Beijing University of Aeronautics and Astronautics China (CN) 2001:250:20f:0:0:0:0:0 2001:250:20f:ffff:ffff:ffff:ffff:ffff
2001:250:210:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:210:0:0:0:0:0 2001:250:210:ffff:ffff:ffff:ffff:ffff
2001:250:212:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:212:0:0:0:0:0 2001:250:212:ffff:ffff:ffff:ffff:ffff
2001:250:214:0:0:0:0:0/48 More specific AS24351 CERNET2 IX at Beijing University of Aeronautics and Astronautics China (CN) 2001:250:214:0:0:0:0:0 2001:250:214:ffff:ffff:ffff:ffff:ffff
2001:250:215:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:215:0:0:0:0:0 2001:250:215:ffff:ffff:ffff:ffff:ffff
2001:250:217:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:217:0:0:0:0:0 2001:250:217:ffff:ffff:ffff:ffff:ffff
2001:250:218:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:218:0:0:0:0:0 2001:250:218:ffff:ffff:ffff:ffff:ffff
2001:250:219:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:219:0:0:0:0:0 2001:250:219:ffff:ffff:ffff:ffff:ffff
2001:250:21a:0:0:0:0:0/47 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:21a:0:0:0:0:0 2001:250:21b:ffff:ffff:ffff:ffff:ffff
2001:250:21c:0:0:0:0:0/48 More specific AS24350 CERNET2 IX at Beijing University of Posts and Telecommunications China (CN) 2001:250:21c:0:0:0:0:0 2001:250:21c:ffff:ffff:ffff:ffff:ffff
2001:250:21e:0:0:0:0:0/47 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:21e:0:0:0:0:0 2001:250:21f:ffff:ffff:ffff:ffff:ffff
2001:250:223:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:223:0:0:0:0:0 2001:250:223:ffff:ffff:ffff:ffff:ffff
2001:250:228:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:228:0:0:0:0:0 2001:250:228:ffff:ffff:ffff:ffff:ffff
2001:250:22b:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:22b:0:0:0:0:0 2001:250:22b:ffff:ffff:ffff:ffff:ffff
2001:250:22d:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:22d:0:0:0:0:0 2001:250:22d:ffff:ffff:ffff:ffff:ffff
2001:250:22e:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:22e:0:0:0:0:0 2001:250:22e:ffff:ffff:ffff:ffff:ffff
2001:250:230:0:0:0:0:0/47 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:230:0:0:0:0:0 2001:250:231:ffff:ffff:ffff:ffff:ffff
2001:250:234:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:234:0:0:0:0:0 2001:250:234:ffff:ffff:ffff:ffff:ffff
2001:250:237:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:237:0:0:0:0:0 2001:250:237:ffff:ffff:ffff:ffff:ffff
2001:250:238:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:238:0:0:0:0:0 2001:250:238:ffff:ffff:ffff:ffff:ffff
2001:250:23a:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:23a:0:0:0:0:0 2001:250:23a:ffff:ffff:ffff:ffff:ffff
2001:250:23b:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:23b:0:0:0:0:0 2001:250:23b:ffff:ffff:ffff:ffff:ffff
2001:250:23c:0:0:0:0:0/47 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:23c:0:0:0:0:0 2001:250:23d:ffff:ffff:ffff:ffff:ffff
2001:250:248:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:248:0:0:0:0:0 2001:250:248:ffff:ffff:ffff:ffff:ffff
2001:250:24f:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:24f:0:0:0:0:0 2001:250:24f:ffff:ffff:ffff:ffff:ffff
2001:250:251:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:251:0:0:0:0:0 2001:250:251:ffff:ffff:ffff:ffff:ffff
2001:250:252:0:0:0:0:0/48 More specific AS24349 CERNET2 IX at Peking University China (CN) 2001:250:252:0:0:0:0:0 2001:250:252:ffff:ffff:ffff:ffff:ffff
2001:250:401:0:0:0:0:0/48 More specific AS24352 CERNET2 IX at Tianjin University China (CN) 2001:250:401:0:0:0:0:0 2001:250:401:ffff:ffff:ffff:ffff:ffff
2001:250:402:0:0:0:0:0/47 More specific AS24352 CERNET2 IX at Tianjin University China (CN) 2001:250:402:0:0:0:0:0 2001:250:403:ffff:ffff:ffff:ffff:ffff
2001:250:404:0:0:0:0:0/46 More specific AS24352 CERNET2 IX at Tianjin University China (CN) 2001:250:404:0:0:0:0:0 2001:250:407:ffff:ffff:ffff:ffff:ffff
2001:250:408:0:0:0:0:0/47 More specific AS24352 CERNET2 IX at Tianjin University China (CN) 2001:250:408:0:0:0:0:0 2001:250:409:ffff:ffff:ffff:ffff:ffff
2001:250:40d:0:0:0:0:0/48 More specific AS24352 CERNET2 IX at Tianjin University China (CN) 2001:250:40d:0:0:0:0:0 2001:250:40d:ffff:ffff:ffff:ffff:ffff
2001:250:40e:0:0:0:0:0/47 More specific AS24352 CERNET2 IX at Tianjin University China (CN) 2001:250:40e:0:0:0:0:0 2001:250:40f:ffff:ffff:ffff:ffff:ffff
2001:250:800:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:800:0:0:0:0:0 2001:250:801:ffff:ffff:ffff:ffff:ffff
2001:250:802:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:802:0:0:0:0:0 2001:250:802:ffff:ffff:ffff:ffff:ffff
2001:250:803:0:0:0:0:0/48 More specific AS24348 CERNET2 IX at Tsinghua University China (CN) 2001:250:803:0:0:0:0:0 2001:250:803:ffff:ffff:ffff:ffff:ffff
2001:250:804:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:804:0:0:0:0:0 2001:250:805:ffff:ffff:ffff:ffff:ffff
2001:250:808:0:0:0:0:0/46 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:808:0:0:0:0:0 2001:250:80b:ffff:ffff:ffff:ffff:ffff
2001:250:80d:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:80d:0:0:0:0:0 2001:250:80d:ffff:ffff:ffff:ffff:ffff
2001:250:80e:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:80e:0:0:0:0:0 2001:250:80e:ffff:ffff:ffff:ffff:ffff
2001:250:810:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:810:0:0:0:0:0 2001:250:811:ffff:ffff:ffff:ffff:ffff
2001:250:813:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:813:0:0:0:0:0 2001:250:813:ffff:ffff:ffff:ffff:ffff
2001:250:815:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:815:0:0:0:0:0 2001:250:815:ffff:ffff:ffff:ffff:ffff
2001:250:817:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:817:0:0:0:0:0 2001:250:817:ffff:ffff:ffff:ffff:ffff
2001:250:819:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:819:0:0:0:0:0 2001:250:819:ffff:ffff:ffff:ffff:ffff
2001:250:81a:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:81a:0:0:0:0:0 2001:250:81a:ffff:ffff:ffff:ffff:ffff
2001:250:81c:0:0:0:0:0/46 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:81c:0:0:0:0:0 2001:250:81f:ffff:ffff:ffff:ffff:ffff
2001:250:820:0:0:0:0:0/45 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:820:0:0:0:0:0 2001:250:827:ffff:ffff:ffff:ffff:ffff
2001:250:828:0:0:0:0:0/46 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:828:0:0:0:0:0 2001:250:82b:ffff:ffff:ffff:ffff:ffff
2001:250:82c:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:82c:0:0:0:0:0 2001:250:82d:ffff:ffff:ffff:ffff:ffff
2001:250:82e:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:82e:0:0:0:0:0 2001:250:82e:ffff:ffff:ffff:ffff:ffff
2001:250:831:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:831:0:0:0:0:0 2001:250:831:ffff:ffff:ffff:ffff:ffff
2001:250:832:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:832:0:0:0:0:0 2001:250:833:ffff:ffff:ffff:ffff:ffff
2001:250:835:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:835:0:0:0:0:0 2001:250:835:ffff:ffff:ffff:ffff:ffff
2001:250:836:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:836:0:0:0:0:0 2001:250:837:ffff:ffff:ffff:ffff:ffff
2001:250:838:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:838:0:0:0:0:0 2001:250:839:ffff:ffff:ffff:ffff:ffff
2001:250:83b:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:83b:0:0:0:0:0 2001:250:83b:ffff:ffff:ffff:ffff:ffff
2001:250:83d:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:83d:0:0:0:0:0 2001:250:83d:ffff:ffff:ffff:ffff:ffff
2001:250:83e:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:83e:0:0:0:0:0 2001:250:83f:ffff:ffff:ffff:ffff:ffff
2001:250:840:0:0:0:0:0/45 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:840:0:0:0:0:0 2001:250:847:ffff:ffff:ffff:ffff:ffff
2001:250:848:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:848:0:0:0:0:0 2001:250:848:ffff:ffff:ffff:ffff:ffff
2001:250:84a:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:84a:0:0:0:0:0 2001:250:84a:ffff:ffff:ffff:ffff:ffff
2001:250:84c:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:84c:0:0:0:0:0 2001:250:84c:ffff:ffff:ffff:ffff:ffff
2001:250:84e:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:84e:0:0:0:0:0 2001:250:84f:ffff:ffff:ffff:ffff:ffff
2001:250:850:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:850:0:0:0:0:0 2001:250:850:ffff:ffff:ffff:ffff:ffff
2001:250:852:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:852:0:0:0:0:0 2001:250:853:ffff:ffff:ffff:ffff:ffff
2001:250:855:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:855:0:0:0:0:0 2001:250:855:ffff:ffff:ffff:ffff:ffff
2001:250:856:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:856:0:0:0:0:0 2001:250:857:ffff:ffff:ffff:ffff:ffff
2001:250:858:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:858:0:0:0:0:0 2001:250:859:ffff:ffff:ffff:ffff:ffff
2001:250:85a:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:85a:0:0:0:0:0 2001:250:85a:ffff:ffff:ffff:ffff:ffff
2001:250:85c:0:0:0:0:0/46 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:85c:0:0:0:0:0 2001:250:85f:ffff:ffff:ffff:ffff:ffff
2001:250:860:0:0:0:0:0/46 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:860:0:0:0:0:0 2001:250:863:ffff:ffff:ffff:ffff:ffff
2001:250:865:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:865:0:0:0:0:0 2001:250:865:ffff:ffff:ffff:ffff:ffff
2001:250:866:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:866:0:0:0:0:0 2001:250:866:ffff:ffff:ffff:ffff:ffff
2001:250:868:0:0:0:0:0/45 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:868:0:0:0:0:0 2001:250:86f:ffff:ffff:ffff:ffff:ffff
2001:250:870:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:870:0:0:0:0:0 2001:250:871:ffff:ffff:ffff:ffff:ffff
2001:250:872:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:872:0:0:0:0:0 2001:250:872:ffff:ffff:ffff:ffff:ffff
2001:250:874:0:0:0:0:0/46 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:874:0:0:0:0:0 2001:250:877:ffff:ffff:ffff:ffff:ffff
2001:250:878:0:0:0:0:0/45 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:878:0:0:0:0:0 2001:250:87f:ffff:ffff:ffff:ffff:ffff
2001:250:880:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:880:0:0:0:0:0 2001:250:881:ffff:ffff:ffff:ffff:ffff
2001:250:882:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:882:0:0:0:0:0 2001:250:882:ffff:ffff:ffff:ffff:ffff
2001:250:884:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:884:0:0:0:0:0 2001:250:884:ffff:ffff:ffff:ffff:ffff
2001:250:886:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:886:0:0:0:0:0 2001:250:887:ffff:ffff:ffff:ffff:ffff
2001:250:888:0:0:0:0:0/46 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:888:0:0:0:0:0 2001:250:88b:ffff:ffff:ffff:ffff:ffff
2001:250:88d:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:88d:0:0:0:0:0 2001:250:88d:ffff:ffff:ffff:ffff:ffff
2001:250:88e:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:88e:0:0:0:0:0 2001:250:88f:ffff:ffff:ffff:ffff:ffff
2001:250:891:0:0:0:0:0/48 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:891:0:0:0:0:0 2001:250:891:ffff:ffff:ffff:ffff:ffff
2001:250:892:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:892:0:0:0:0:0 2001:250:893:ffff:ffff:ffff:ffff:ffff
2001:250:894:0:0:0:0:0/47 More specific AS138182 China Education and Research Network (CERNET) China (CN) 2001:250:894:0:0:0:0:0 2001:250:895:ffff:ffff:ffff:ffff:ffff

Showing the first 100 announced prefixes. Additional more-specific announcements were omitted.