AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 🇨🇳 CN

Announcing 948 prefixes, seen at the RIS collectors.

IPv4 prefixes

822

20,453,632 (79,897 × /24)

IPv6 prefixes

126

1,065 × /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: AS37963
Name: Hangzhou Alibaba Advertising Co.,Ltd.
Organisation: Alibaba (China)
Country: 🇨🇳 CN
RIR: APNIC
Allocated: 2006-03-08
Network type: Content
Traffic levels: 1-5Tbps
Scope: Global
Peering policy: Open
Website: http://alibabagroup.com/
PeeringDB: net/15604
Exchanges: 3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

945 valid (99.7%) 0 invalid (0.0%) 3 no ROA (0.3%)

Upstreams

Networks seen providing transit to this one

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS4837 China Unicom Backbone	🇨🇳 CN	8,004	1,517	7,333	CAIDA
AS9808 China Mobile Backbone	🇨🇳 CN	259	14,264	579	CAIDA
AS4808 China Unicom Beijing Province Network	🇨🇳 CN	77	1,534	1,353	CAIDA
AS17621 China Unicom Shanghai network	🇨🇳 CN	38	397	1,687	CAIDA
AS24400 Shanghai Mobile Communications Co.,Ltd.	🇨🇳 CN	37	539	45	CAIDA
AS38283 CHINANET SiChuan Telecom Internet Data Center	🇨🇳 CN	17	524	515	CAIDA
AS23724 China Telecom Beijing IDC Network	🇨🇳 CN	16	846	3,424	CAIDA
AS4811 China Telecom Shanghai IDC Network	🇨🇳 CN	13	1,518	9,137	CAIDA
AS58466 CHINANET Guangdong province network	🇨🇳 CN	9	204	385	CAIDA
AS58461 China Telecom Hangzhou IDC Network	🇨🇳 CN	6	366	3,401	CAIDA
AS56041 China Mobile Group Zhejiang Company	🇨🇳 CN	6	2,213	741	CAIDA
AS136958 China Unicom Guangdong IDC Network	🇨🇳 CN	6	460	197	CAIDA
AS24444 Shandong Mobile Communication Company Limited	🇨🇳 CN	5	1,163	215	CAIDA
AS4816 China Telecom (Group)	🇨🇳 CN	3	47	2,898	CAIDA
AS136195 China Telecom Qingdao Huangdao IDC Network	🇨🇳 CN	3	46	1,120	CAIDA
AS135061 China Unicom Guangdong IP network	🇨🇳 CN	3	254	1,011	CAIDA
AS141425 China Mobile Group Guangdong communications corporation	🇨🇳 CN	3	131	110	CAIDA

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

No downstreams observed at the collectors.

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.