AS23910 China Next Generation Internet CERNET2 🇨🇳 CN

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes

IPv6 prefixes

4,099 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS23910
Name: China Next Generation Internet CERNET2
Organisation: China Next Generation Internet CERNET2
Country: 🇨🇳 CN
RIR: APNIC
Allocated: 2003-10-14
Scope: Not Disclosed
Peering policy: Open
PeeringDB: net/20308

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2 valid (33.3%) 0 invalid (0.0%) 4 no ROA (66.7%)

Upstreams

Networks seen providing transit to this one

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS4134 China Telecom Backbone	🇨🇳 CN	23,323	2,229	888	inferred
AS4538 China Education and Research Network Center	🇨🇳 CN	88	5,157	903	inferred
AS23911 China Next Generation Internet Beijing IX	🇨🇳 CN	75	2	3,247	inferred

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS24348 CERNET2 IX at Tsinghua University	🇨🇳 CN	3	10	285	inferred
AS24361 CERNET2 IX at Southeast University	🇨🇳 CN	2	2	194	inferred
AS24369 CERNET2 IX at Northeast University	🇨🇳 CN	2	2	96	inferred
AS133111 CERNET New Technology Co., Ltd	🇨🇳 CN	0	8	1,137	inferred
AS24363 CERNET2 IX at Shandong University	🇨🇳 CN	0	0	595	inferred
AS24360 CERNET2 IX at Zhengzhou University	🇨🇳 CN	0	0	243	inferred
AS133512 CERNET New Technology Co., Ltd	🇨🇳 CN	0	0	202	inferred
AS24350 CERNET2 IX at Beijing University of Posts and Telecommunications	🇨🇳 CN	0	0	170	inferred
AS24358 CERNET2 IX at Huazhong University of Science and Technology	🇨🇳 CN	0	4	130	inferred
AS138182 CERNET2 regional IX at Hebei Normal University	🇨🇳 CN	0	0	124	inferred
AS24355 CERNET2 IX at University of Electronic Science and Technology of China	🇨🇳 CN	0	0	121	inferred
AS24353 CERNET2 IX at Xi'an Jiaotong University	🇨🇳 CN	0	1	102	inferred
AS24371 CERNET2 IX at Jilin University	🇨🇳 CN	0	1	100	inferred
AS24349 CERNET2 IX at Peking University	🇨🇳 CN	0	4	99	inferred
AS24372 CERNET2 IX at Harbin Institute of Technology	🇨🇳 CN	0	0	96	inferred
AS133518 CERNET New Technology Co., Ltd	🇨🇳 CN	0	0	96	inferred
AS24352 CERNET2 IX at Tianjin University	🇨🇳 CN	0	1	89	inferred
AS24359 CERNET2 IX at Central South University	🇨🇳 CN	0	0	80	inferred
AS38587 CERNET Internet Data Center	🇨🇳 CN	0	0	76	inferred
AS24356 CERNET2 IX at Chongqing University	🇨🇳 CN	0	0	76	inferred
AS24364 CERNET2 IX at Shanghai Jiaotong University	🇨🇳 CN	0	11	75	inferred
AS138371 CERNET2 regional IX at Ocean University of China	🇨🇳 CN	0	0	69	inferred
AS138378 CERNET2 regional IX at Yunnan University	🇨🇳 CN	0	0	63	inferred
AS24357 CERNET2 IX at South China University of Technology	🇨🇳 CN	0	13	60	inferred
AS138381 CERNET2 regional IX at Guizhou University	🇨🇳 CN	0	0	60	inferred
AS138374 CERNET2 regional IX at Taiyuan University	🇨🇳 CN	0	0	56	inferred
AS24354 CERNET2 IX at Lanzhou University	🇨🇳 CN	0	0	51	inferred
AS138375 CERNET2 regional IX at Inner Mongolia University	🇨🇳 CN	0	0	41	inferred
AS24370 CERNET2 IX at Dalian University of Technology	🇨🇳 CN	0	0	35	inferred
AS24367 CERNET2 IX at Zhejiang University	🇨🇳 CN	0	0	35	inferred
AS138369 CERNET2 regional IX at Shenzhen University	🇨🇳 CN	0	0	35	inferred
AS24362 CERNET2 IX at University of Science and Technology of China	🇨🇳 CN	0	0	33	inferred
AS138376 CERNET2 regional IX at Ningxia University	🇨🇳 CN	0	0	20	inferred
AS138377 CERNET2 regional IX at Qinghai Normal University	🇨🇳 CN	0	0	17	inferred
AS24351 CERNET2 IX at Beijing University of Aeronautics and Astronautics	🇨🇳 CN	0	0	10	inferred
AS138442 CERNET2 regional IX at Tibet University	🇨🇳 CN	0	0	4	inferred

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.