Home Prefix Lookup2001:250::/32

2001:250::/32 - China Next Generation Internet CERNET2 (AS23910)

IPv6APNICassignedAS23910CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2No ROA

CIDR

2001:250::/32

IP Version

IPv6

Addresses

79228.1Y

Mask

/32

Country

🇨🇳 China

City

Haidian (Haidian Qu)

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:250::/32	AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2	No ROA	-	2026-10-26

More-Specific Announcements

200 more-specific announcements on this page, 1,956 in total

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:250::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:2::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:4::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:62::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:205::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:206::/48	AS24351 CNGI-BJ-IX5-AS-AP - CERNET2 IX at Beijing University of Aeronautics and Astronautics	Valid	-	2026-10-26
2001:250:207::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:208::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:209::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:20a::/48	AS24351 CNGI-BJ-IX5-AS-AP - CERNET2 IX at Beijing University of Aeronautics and Astronautics	Valid	-	2026-10-26
2001:250:20b::/48	AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications	Valid	-	2026-10-26
2001:250:20c::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:20d::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:20f::/48	AS24351 CNGI-BJ-IX5-AS-AP - CERNET2 IX at Beijing University of Aeronautics and Astronautics	Valid	-	2026-10-26
2001:250:210::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:212::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:214::/48	AS24351 CNGI-BJ-IX5-AS-AP - CERNET2 IX at Beijing University of Aeronautics and Astronautics	Valid	-	2026-10-26
2001:250:215::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:217::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:218::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:219::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:21a::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:21b::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:21e::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:21f::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:220::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:222::/48	AS133111 CNT-northChina - CERNET New Technology Co., Ltd	No ROA	-	2026-10-26
2001:250:223::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:225::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:227::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:228::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:229::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:22a::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:22b::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:22c::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:22d::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:22e::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:22f::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:230::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:231::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:233::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:234::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:235::/48	AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications	No ROA	-	2026-10-26
2001:250:236::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Invalid	-	2026-10-26
2001:250:236::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:237::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:238::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:23a::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:23b::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:23c::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:23d::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:23e::/48	AS133111 CNT-northChina - CERNET New Technology Co., Ltd	No ROA	-	2026-10-26
2001:250:23f::/48	AS24357 CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of Technology	Valid	-	2026-10-26
2001:250:240::/48	AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications	No ROA	-	2026-10-26
2001:250:241::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:242::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:246::/48	AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications	No ROA	-	2026-10-26
2001:250:248::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:24e::/48	AS24350 CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and Telecommunications	No ROA	-	2026-10-26
2001:250:24f::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:250::/48	AS4538 ERX-CERNET-BKB - China Education and Research Network Center	No ROA	-	2026-10-26
2001:250:251::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	Valid	-	2026-10-26
2001:250:252::/48	AS24349 CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking University	No ROA	-	2026-10-26
2001:250:400::/48	AS55826 CERNET2-TJU6-AS-AP - Tianjin University IPv6 Campus Network	No ROA	-	2026-10-26
2001:250:401::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:402::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:403::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:404::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:405::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:406::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:407::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:408::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:409::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	No ROA	-	2026-10-26
2001:250:40d::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:40e::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:40f::/48	AS24352 CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin University	Valid	-	2026-10-26
2001:250:800::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:801::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:802::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:803::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	Valid	-	2026-10-26
2001:250:804::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:805::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:806::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:807::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:808::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:809::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:80a::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:80b::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:80c::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:80d::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:80e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:80f::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:810::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:811::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:812::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:813::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:814::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:815::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:816::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:817::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:818::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:819::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:81a::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:81b::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:81c::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:81d::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:81e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:81f::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:820::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:821::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:822::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:823::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:824::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:825::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:826::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:827::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:828::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:829::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:82a::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:82b::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:82c::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:82d::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:82e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:82f::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:830::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:831::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:832::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:833::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:835::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:836::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:837::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:838::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:839::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:83a::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:83b::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:83d::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:83e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:83f::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:840::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:841::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:842::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:843::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:844::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:845::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:846::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:847::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:848::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:849::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:84a::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:84b::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:84c::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:84d::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:84e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:84f::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:850::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:851::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:852::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:853::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:854::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:855::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:856::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:857::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:858::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:859::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:85a::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:85b::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:85c::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:85d::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:85e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:85f::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:860::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:861::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	No ROA	-	2026-10-26
2001:250:862::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:863::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:865::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:866::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:868::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:869::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:86a::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:86b::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:86c::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:86d::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:86e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:86f::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:870::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:871::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:872::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:873::/48	AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University	No ROA	-	2026-10-26
2001:250:874::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:875::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:876::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:877::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:878::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:879::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:87a::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:87b::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:87c::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:87d::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:87e::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26
2001:250:87f::/48	AS138182 CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University	Valid	-	2026-10-26

More Specific Prefixes

Prefix	AS	Country	Status
2001:250::/35		🇨🇳CN	allocated
2001:250:2000::/35		🇨🇳CN	allocated
2001:250:2000::/48	AS24355	🇨🇳CN	assigned
2001:250:2001::/48	AS24355	🇨🇳CN	assigned
2001:250:2002::/48	AS24355	🇨🇳CN	assigned
2001:250:2003::/48	AS24355	🇨🇳CN	assigned
2001:250:2004::/48	AS24355	🇨🇳CN	assigned
2001:250:2005::/48	AS24355	🇨🇳CN	assigned
2001:250:2006::/48	AS24355	🇨🇳CN	assigned
2001:250:2401::/48	AS24356	🇨🇳CN	assigned
2001:250:2c00::/48	AS138381	🇨🇳CN	assigned
2001:250:3001::/48	AS24357	🇨🇳CN	assigned
2001:250:3002::/48	AS24357	🇨🇳CN	assigned
2001:250:3003::/48	AS24357	🇨🇳CN	assigned
2001:250:3400::/48	AS138438	🇨🇳CN	assigned
2001:250:3401::/48	AS138393	🇨🇳CN	assigned
2001:250:3c00::/48	AS138369	🇨🇳CN	assigned
2001:250:3c01::/48	AS138369	🇨🇳CN	assigned
2001:250:3c02::/48	AS138369	🇨🇳CN	assigned
2001:250:3c03::/48	AS138369	🇨🇳CN	assigned
2001:250:4000::/34		🇨🇳CN	allocated
2001:250:8000::/33		🇨🇳CN	allocated
2001:250:9001::/48		🇨🇳CN	assigned

Origin ASN

AS23910

CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2

Related Prefixes

More prefixes of AS23910

All prefixes of AS23910 →

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityHaidian (Haidian Qu)

Coordinates39.9999, 116.3150 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2001:250::/32

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/2001:250::/32" | jq

External Links

RIPEstat