Sign inMonitor a domain
AS37963

AS37963 is Hangzhou Alibaba Advertising Co.,Ltd..

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS37963 belongs to Hangzhou Alibaba Advertising Co.,Ltd.. DB-IP Lite attributes 9,426,688 IPv4 addresses in 67 ranges and 7 IPv6 ranges to it, all or nearly all of the IPv4 space in China. The number is registered with APNIC in China on 8 Mar 2006.

Facts for AS37963
Operator (DB-IP)Hangzhou Alibaba Advertising Co.,Ltd.
IPv4 addresses9,426,688
IPv4 ranges67
IPv6 ranges7
RegistryAPNIC
Registered8 Mar 2006
Registry countryChina (CN)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Hangzhou Alibaba Advertising Co.,Ltd. hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 7 IPv6 ranges for AS37963, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

CN100%
SG0.00%
DE0.00%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
8.128.4.0 – 8.128.7.2558.128.4.0/221,024
8.128.32.0 – 8.128.111.2558.128.32.0/19, 8.128.64.0/19 …20,480
8.129.0.0 – 8.148.31.2558.129.0.0/16, 8.130.0.0/15 …1,253,376
8.148.64.0 – 8.150.39.2558.148.64.0/18, 8.148.128.0/17 …124,928
8.150.64.0 – 8.150.65.2558.150.64.0/23512
8.152.0.0 – 8.162.127.2558.152.0.0/13, 8.160.0.0/15 …688,128
8.163.0.0 – 8.169.255.2558.163.0.0/16, 8.164.0.0/14 …458,752
8.176.0.0 – 8.176.159.2558.176.0.0/17, 8.176.128.0/1940,960
39.96.0.0 – 39.97.203.25539.96.0.0/16, 39.97.0.0/17 …117,760
39.97.208.0 – 39.108.255.25539.97.208.0/20, 39.97.224.0/19 …733,184
42.96.128.0 – 42.96.255.25542.96.128.0/1732,768
42.120.0.0 – 42.121.255.25542.120.0.0/15131,072
42.156.128.0 – 42.156.255.25542.156.128.0/1732,768
45.113.40.0 – 45.113.43.25545.113.40.0/221,024
47.92.0.0 – 47.123.255.25547.92.0.0/14, 47.96.0.0/12 …2,097,152
59.82.0.0 – 59.82.159.25559.82.0.0/17, 59.82.128.0/1940,960
59.110.0.0 – 59.110.255.25559.110.0.0/1665,536
60.205.0.0 – 60.205.255.25560.205.0.0/1665,536
101.37.0.0 – 101.37.255.255101.37.0.0/1665,536
101.132.0.0 – 101.133.255.255101.132.0.0/15131,072
101.200.0.0 – 101.201.255.255101.200.0.0/15131,072
103.52.196.0 – 103.52.199.255103.52.196.0/221,024
106.11.0.0 – 106.11.255.255106.11.0.0/1665,536
106.14.0.0 – 106.15.255.255106.14.0.0/15131,072
110.75.0.0 – 110.76.63.255110.75.0.0/16, 110.76.0.0/1881,920
110.173.192.0 – 110.173.223.255110.173.192.0/198,192
112.74.0.0 – 112.74.255.255112.74.0.0/1665,536
112.124.0.0 – 112.127.255.255112.124.0.0/14262,144
114.55.0.0 – 114.55.255.255114.55.0.0/1665,536
114.215.0.0 – 114.215.255.255114.215.0.0/1665,536
115.28.0.0 – 115.29.255.255115.28.0.0/15131,072
115.124.16.0 – 115.124.31.255115.124.16.0/204,096
116.62.0.0 – 116.62.255.255116.62.0.0/1665,536
118.31.0.0 – 118.31.255.255118.31.0.0/1665,536
118.178.0.0 – 118.178.255.255118.178.0.0/1665,536
118.190.0.0 – 118.190.255.255118.190.0.0/1665,536
119.23.0.0 – 119.23.255.255119.23.0.0/1665,536
119.38.208.0 – 119.38.223.255119.38.208.0/204,096
119.42.224.0 – 119.42.255.255119.42.224.0/198,192
120.24.0.0 – 120.27.255.255120.24.0.0/14262,144
120.55.0.0 – 120.55.255.255120.55.0.0/1665,536
120.76.0.0 – 120.79.255.255120.76.0.0/14262,144
121.0.16.0 – 121.0.31.255121.0.16.0/204,096
121.40.0.0 – 121.43.255.255121.40.0.0/14262,144
121.89.0.0 – 121.89.255.255121.89.0.0/1665,536
121.196.0.0 – 121.199.255.255121.196.0.0/14262,144
123.56.0.0 – 123.57.255.255123.56.0.0/15131,072
139.129.0.0 – 139.129.255.255139.129.0.0/1665,536
139.196.0.0 – 139.196.255.255139.196.0.0/1665,536
139.224.0.0 – 139.224.255.255139.224.0.0/1665,536
2400:3200:: – 2400:3200:ffff:ffff:ffff:ffff:ffff:ffff2400:3200::/32IPv6
2400:b200:: – 2400:b200:ffff:ffff:ffff:ffff:ffff:ffff2400:b200::/32IPv6
2401:2e00:: – 2401:2e00:ffff:ffff:ffff:ffff:ffff:ffff2401:2e00::/32IPv6
2401:b180:: – 2401:b180:ffff:ffff:ffff:ffff:ffff:ffff2401:b180::/32IPv6
2405:e000:: – 2405:e000:ffff:ffff:ffff:ffff:ffff:ffff2405:e000::/32IPv6
2407:bc00:: – 2407:bc00:ffff:ffff:ffff:ffff:ffff:ffff2407:bc00::/32IPv6
2408:4000:: – 2408:43ff:ffff:ffff:ffff:ffff:ffff:ffff2408:4000::/22IPv6
Showing 50 of 67 IPv4 and 7 of 7 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026