AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. · registered in China

IPv4 addresses9,425,920456 prefixes · 0.301% of announced IPv4

Rank in China#5largest network in CN by IPv4 space, of 601 · 3.23% of CN

Rank worldwide#45of 79,396 networks with IPv4

IPv61,029 x /32 (67,502,064 x /48)208 prefixes

CountryChina5,117 ASNs registered there

Open AS37963 in ASN lookup Look up an IP in this network (8.128.4.1) All networks in China

IPv4 prefixes

All 456 prefixes, in address order.

8.128.4.0/22
8.128.32.0/19
8.128.64.0/19
8.128.96.0/20
8.129.0.0/16
8.130.0.0/15
8.132.0.0/18
8.132.64.0/19
8.132.96.0/21
8.132.104.0/22
8.132.108.0/22
8.132.112.0/20
8.132.128.0/17
8.133.0.0/16
8.134.0.0/17
8.134.128.0/18
8.134.192.0/19
8.134.224.0/20
8.134.240.0/21
8.134.248.0/21
8.135.0.0/16
8.136.0.0/16
8.137.0.0/17
8.137.128.0/21
8.137.136.0/21
8.137.144.0/20
8.137.160.0/19
8.137.192.0/18
8.138.0.0/18
8.138.64.0/21
8.138.72.0/21
8.138.80.0/20
8.138.96.0/19
8.138.128.0/17
8.139.0.0/16
8.140.0.0/16
8.141.0.0/17
8.141.128.0/18
8.141.192.0/22
8.141.196.0/22
8.141.200.0/21
8.141.208.0/20
8.141.224.0/19
8.142.0.0/15
8.144.0.0/14
8.148.0.0/19
8.148.64.0/18
8.148.128.0/19
8.148.160.0/21
8.148.168.0/23
8.148.170.0/23
8.148.172.0/22
8.148.176.0/20
8.148.192.0/18
8.149.0.0/16
8.150.0.0/19
8.150.32.0/21
8.150.64.0/23
8.152.0.0/18
8.152.64.0/21
8.152.72.0/22
8.152.76.0/22
8.152.80.0/20
8.152.96.0/19
8.152.128.0/17
8.153.0.0/18
8.153.64.0/19
8.153.96.0/20
8.153.112.0/22
8.153.116.0/24
8.153.117.0/24
8.153.118.0/23
8.153.120.0/21
8.153.128.0/17
8.154.0.0/16
8.155.0.0/17
8.155.128.0/18
8.155.192.0/22
8.155.196.0/24
8.155.197.0/24
8.155.198.0/23
8.155.200.0/21
8.155.208.0/20
8.155.224.0/19
8.156.0.0/18
8.156.64.0/19
8.156.96.0/21
8.156.104.0/22
8.156.108.0/22
8.156.112.0/20
8.156.128.0/17
8.157.0.0/16
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8.160.0.0/15
8.162.0.0/17
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8.165.0.0/19
8.165.32.0/20
8.165.48.0/23
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8.165.52.0/22
8.165.56.0/21
8.165.64.0/18
8.165.128.0/17
8.166.0.0/17
8.166.128.0/18
8.166.192.0/23
8.166.194.0/23
8.166.196.0/22
8.166.200.0/21
8.166.208.0/20
8.166.224.0/19
8.167.0.0/23
8.167.2.0/23
8.167.4.0/22
8.167.8.0/21
8.167.16.0/20
8.167.32.0/19
8.167.64.0/18
8.167.128.0/17
8.168.0.0/15
8.176.0.0/17
8.176.128.0/19
39.96.0.0/16
39.97.0.0/17
39.97.128.0/18
39.97.192.0/21
39.97.200.0/22
39.97.208.0/20
39.97.224.0/19
39.98.0.0/15
39.100.0.0/14
39.104.0.0/14
39.108.0.0/16
42.96.128.0/18
42.96.192.0/19
42.96.224.0/20
42.96.240.0/20
42.120.0.0/17
42.120.128.0/18
42.120.192.0/19
42.120.224.0/20
42.120.240.0/21
42.120.248.0/24
42.120.249.0/24
42.120.250.0/23
42.120.252.0/22
42.121.0.0/16
42.156.128.0/17
45.113.40.0/22
47.92.0.0/14
47.96.0.0/17
47.96.128.0/18
47.96.192.0/21
47.96.200.0/22
47.96.204.0/24
47.96.205.0/24
47.96.206.0/23
47.96.208.0/20
47.96.224.0/19
47.97.0.0/16
47.98.0.0/15
47.100.0.0/14
47.104.0.0/16
47.105.0.0/20
47.105.16.0/21
47.105.24.0/23
47.105.26.0/23
47.105.28.0/22
47.105.32.0/19
47.105.64.0/18
47.105.128.0/17
47.106.0.0/15
47.108.0.0/18
47.108.64.0/19
47.108.96.0/21
47.108.104.0/22
47.108.108.0/24
47.108.109.0/24
47.108.110.0/23
47.108.112.0/20
47.108.128.0/17
47.109.0.0/23
47.109.2.0/23
47.109.4.0/22
47.109.8.0/21
47.109.16.0/20
47.109.32.0/19
47.109.64.0/18
47.109.128.0/17
47.110.0.0/15
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47.114.0.0/20
47.114.16.0/24
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47.114.32.0/19
47.114.64.0/18
47.114.128.0/17
47.115.0.0/16
47.116.0.0/14
47.120.0.0/14
59.82.0.0/23
59.82.2.0/24
59.82.3.0/24
59.82.4.0/22
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59.82.16.0/20
59.82.32.0/19
59.82.64.0/19
59.82.96.0/20
59.82.112.0/21
59.82.120.0/22
59.82.124.0/24
59.82.125.0/24
59.82.126.0/23
59.82.128.0/21
59.82.136.0/23
59.82.138.0/23
59.82.140.0/22
59.82.144.0/20
59.110.0.0/16
60.205.0.0/17
60.205.128.0/22
60.205.132.0/23
60.205.134.0/23
60.205.136.0/21
60.205.144.0/20
60.205.160.0/19
60.205.192.0/18
101.37.0.0/16
101.132.0.0/16
101.133.0.0/17
101.133.128.0/18
101.133.192.0/21
101.133.200.0/23
101.133.202.0/23
101.133.204.0/22
101.133.208.0/20
101.133.224.0/19
101.200.0.0/15
103.52.196.0/22
106.11.0.0/23
106.11.2.0/23
106.11.4.0/22
106.11.8.0/21
106.11.16.0/21
106.11.24.0/24
106.11.25.0/24
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106.11.28.0/22
106.11.32.0/19
106.11.64.0/19
106.11.96.0/21
106.11.104.0/21
106.11.112.0/20
106.11.128.0/18
106.11.192.0/19
106.11.224.0/21
106.11.232.0/22
106.11.236.0/22
106.11.240.0/20
106.14.0.0/15
110.75.0.0/17
110.75.128.0/21
110.75.136.0/22
110.75.140.0/22
110.75.144.0/20
110.75.160.0/19
110.75.192.0/19
110.75.224.0/22
110.75.228.0/23
110.75.230.0/24
110.75.231.0/24
110.75.232.0/23
110.75.234.0/23
110.75.236.0/22
110.75.240.0/20
110.76.0.0/24
110.76.1.0/24
110.76.2.0/23
110.76.4.0/22
110.76.8.0/21
110.76.16.0/22
110.76.20.0/24
110.76.22.0/24
110.76.24.0/21
110.76.32.0/19
110.173.192.0/22
110.173.196.0/24
110.173.197.0/24
110.173.198.0/23
110.173.200.0/21
110.173.208.0/20
112.74.0.0/16
112.124.0.0/17
112.124.128.0/18
112.124.192.0/20
112.124.208.0/23
112.124.210.0/23
112.124.212.0/22
112.124.216.0/21
112.124.224.0/19
112.125.0.0/16
112.126.0.0/15
114.55.0.0/16
114.215.0.0/17
114.215.128.0/19
114.215.160.0/21
114.215.168.0/21
114.215.176.0/20
114.215.192.0/19
114.215.224.0/19
115.28.0.0/16
115.29.0.0/18
115.29.64.0/21
115.29.72.0/24
115.29.73.0/24
115.29.74.0/23
115.29.76.0/22
115.29.80.0/20
115.29.96.0/19
115.29.128.0/19
115.29.160.0/19
115.29.192.0/18
115.124.16.0/20
116.62.0.0/16
118.31.0.0/17
118.31.128.0/18
118.31.192.0/21
118.31.200.0/22
118.31.204.0/23
118.31.206.0/24
118.31.207.0/24
118.31.208.0/20
118.31.224.0/19
118.178.0.0/16
118.190.0.0/16
119.23.0.0/16
119.38.208.0/21
119.38.216.0/22
119.38.220.0/22
119.42.224.0/21
119.42.232.0/24
119.42.233.0/24
119.42.234.0/24
119.42.235.0/24
119.42.236.0/22
119.42.240.0/21
119.42.248.0/24
119.42.249.0/24
119.42.250.0/23
119.42.252.0/22
120.24.0.0/15
120.26.0.0/16
120.27.0.0/18
120.27.64.0/20
120.27.80.0/20
120.27.96.0/19
120.27.128.0/17
120.55.0.0/16
120.76.0.0/16
120.77.0.0/17
120.77.128.0/18
120.77.192.0/23
120.77.194.0/23
120.77.196.0/22
120.77.200.0/21
120.77.208.0/20
120.77.224.0/19
120.78.0.0/15
121.0.16.0/20
121.40.0.0/15
121.42.0.0/17
121.42.128.0/22
121.42.132.0/22
121.42.136.0/21
121.42.144.0/20
121.42.160.0/19
121.42.192.0/18
121.43.0.0/16
121.89.0.0/16
121.196.0.0/14
123.56.0.0/15
139.129.0.0/16
139.196.0.0/16
139.224.0.0/16
140.205.0.0/24
140.205.2.0/23
140.205.4.0/22
140.205.8.0/21
140.205.16.0/20
140.205.32.0/19
140.205.64.0/19
140.205.96.0/20
140.205.112.0/21
140.205.120.0/23
140.205.123.0/24
140.205.124.0/22
140.205.128.0/17
182.92.0.0/17
182.92.128.0/18
182.92.192.0/19
182.92.224.0/20
182.92.240.0/21
182.92.248.0/22
182.92.252.0/24
182.92.253.0/24
182.92.254.0/23
203.107.1.0/24
203.107.6.0/24
203.107.13.0/24
203.107.14.0/24
203.107.20.0/22
203.107.26.0/23
203.107.28.0/22
203.107.32.0/19
203.107.70.0/24
203.107.72.0/21
203.107.80.0/21
203.107.96.0/23
203.107.112.0/21
203.107.120.0/22
203.107.124.0/23
203.119.128.0/19
203.119.160.0/24
203.119.168.0/21
203.119.176.0/20
203.119.192.0/18
203.209.224.0/21
203.209.232.0/22
203.209.236.0/23
203.209.238.0/23
203.209.240.0/20
218.244.128.0/19
223.4.0.0/16
223.5.0.0/22
223.5.4.0/24
223.5.6.0/23
223.5.8.0/21
223.5.16.0/20
223.5.32.0/19
223.5.64.0/18
223.5.128.0/17
223.6.0.0/22
223.6.4.0/23
223.6.7.0/24
223.6.8.0/21
223.6.16.0/20
223.6.32.0/19
223.6.64.0/18
223.6.128.0/17
223.7.0.0/16

IPv6 prefixes

All 208 prefixes.

2400:3200:1::/48
2400:3200:2::/47
2400:3200:4::/46
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2408:4200::/23

Similar-sized networks in China

ASNNameIPv4 addresses

AS4837#2 CHINA169-Backbone - CHINA UNICOM China169 Backbone57,221,376

AS9808#3 CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd.17,288,448

AS4538#4 ERX-CERNET-BKB - China Education and Research Network Center16,445,696

AS4812#6 CHINANET-SH-AP - China Telecom (Group)7,882,496

AS4808#7 CHINA169-BJ - China Unicom Beijing Province Network7,176,704

AS45090#8 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited6,189,824

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources