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

Alibaba (US) Technology Co., Ltd.. Announcing 954 prefixes, seen at the RIS collectors.

IPv4 prefixes
828
20,846,848 (81,433 × /24)
IPv6 prefixes
126
1,065 × /32
Upstreams
17
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
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
PeeringDB
net/15604
Exchanges
3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Announced prefixes

828 in total

Prefix RPKI Peers Sample path First seen
203.209.244.0/23 v4 RPKI valid 41 70184134481137963 2026-09-18
203.209.246.0/23 v4 RPKI valid 41 70184134481137963 2026-09-18
203.209.248.0/23 v4 RPKI valid 41 345495511483737963 2026-09-18
203.209.248.0/24 v4 RPKI valid 42 345495511483737963 2026-09-18
203.209.249.0/24 v4 RPKI valid 42 345495511483737963 2026-09-18
203.209.250.0/23 v4 RPKI valid 41 345495511483737963 2026-09-18
203.209.250.0/24 v4 RPKI valid 41 70184134481637963 2026-09-18
203.209.251.0/24 v4 RPKI valid 41 70184134481637963 2026-09-18
203.209.252.0/22 v4 RPKI valid 41 345495511483737963 2026-09-18
203.209.252.0/23 v4 RPKI valid 41 70184134481637963 2026-09-18
203.209.254.0/23 v4 RPKI valid 41 70184134481637963 2026-09-18
218.244.128.0/19 v4 RPKI valid 41 345495511483737963 2026-09-18
218.244.128.0/20 v4 RPKI valid 43 345495511483737963 2026-09-18
218.244.144.0/20 v4 RPKI valid 43 345495511483737963 2026-09-18
223.4.0.0/14 v4 RPKI valid 42 701841345846137963 2026-09-18
223.4.0.0/15 v4 RPKI valid 42 701841345846137963 2026-09-18
223.4.0.0/16 v4 RPKI valid 41 345495511483737963 2026-09-18
223.4.0.0/17 v4 RPKI valid 42 345495511483737963 2026-09-18
223.4.128.0/17 v4 RPKI valid 42 345495511483737963 2026-09-18
223.5.0.0/16 v4 RPKI valid 41 345495511483737963 2026-09-18
223.5.0.0/17 v4 RPKI valid 42 345495511483737963 2026-09-18
223.5.5.0/24 v4 RPKI valid 1 70184837480837963 2026-09-18
223.5.128.0/17 v4 RPKI valid 42 345495511483737963 2026-09-18
223.6.0.0/15 v4 RPKI valid 42 701841345846137963 2026-09-18
223.6.0.0/16 v4 RPKI valid 41 345495511483737963 2026-09-18
223.6.0.0/17 v4 RPKI valid 42 345495511483737963 2026-09-18
223.6.6.0/24 v4 RPKI valid 1 70184837480837963 2026-09-18
223.6.128.0/17 v4 RPKI valid 42 345495511483737963 2026-09-18
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