HomeASN LookupAS37963

AS37963

ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd.

Announced Prefixes (BGP)
917total
791 IPv4126 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)5.1M
Announced (BGP)20.3M
IPv6 Addresses ⓘ
Allocated (RIR)8.1×10^31
Announced (BGP)8.4×10^31
Prefix Limit (IPv4)
5,000
Prefix Limit (IPv6)
500
Allocated
—

Announced Prefixes

(BGP)915
|
Prefix
RPKI
IRR
Last Seen
8.128.4.0/22
 Valid
APNIC
5/25/2026
8.128.4.0/23
 Valid
APNIC
5/25/2026
8.128.6.0/23
 Valid
APNIC
5/25/2026
8.128.32.0/19
 Valid
APNIC
5/25/2026
8.128.32.0/20
 Valid
APNIC
5/25/2026
8.128.48.0/20
 Valid
APNIC
5/25/2026
8.128.64.0/20
 Valid
APNIC
5/25/2026
8.128.64.0/21
 Valid
APNIC
5/25/2026
8.128.72.0/21
 Valid
APNIC
5/25/2026
8.128.80.0/20
 Valid
APNIC
5/25/2026
1–10 of 915
1 / 92

Allocated Prefixes

(RIR)67
Prefix
Country
RIR
Status
8.150.64.0/24🇨🇳 CNAPNICassigned
39.96.0.0/13🇨🇳 CNAPNICallocated
39.104.0.0/14🇨🇳 CNAPNICallocated
39.108.0.0/16🇨🇳 CNAPNICallocated
42.96.128.0/17🇨🇳 CNAPNICallocated
42.120.128.0/17🇨🇳 CNAPNICassigned
42.156.128.0/17🇨🇳 CNAPNICallocated
42.156.128.0/18🇨🇳 CNAPNICassigned
42.156.192.0/18🇨🇳 CNAPNICassigned
45.113.40.0/22🇨🇳 CNAPNICallocated
1–10 of 67
1 / 7
ASPA
No ASPA
External Links
Hurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/37963

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/37963" | jq