AS45102 Alibaba (US) Technology Co., Ltd.

ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. · registered in China

IPv4 addresses5,571,840592 prefixes · 0.178% of announced IPv4

Rank in China#9largest network in CN by IPv4 space, of 601 · 1.91% of CN

Rank worldwide#89of 79,396 networks with IPv4

IPv624 x /32 (1,589,336 x /48)65 prefixes

CountryChina5,117 ASNs registered there

Open AS45102 in ASN lookup Look up an IP in this network (5.181.224.1) All networks in China

IPv4 prefixes

First 500 of 592 prefixes, in address order.

5.181.224.0/23
8.208.0.0/18
8.208.64.0/18
8.208.128.0/21
8.208.140.0/23
8.208.142.0/23
8.208.144.0/20
8.208.160.0/19
8.208.192.0/18
8.209.0.0/19
8.209.36.0/22
8.209.40.0/21
8.209.48.0/20
8.209.64.0/18
8.209.128.0/18
8.209.192.0/24
8.209.194.0/23
8.209.196.0/22
8.209.200.0/21
8.209.208.0/20
8.209.224.0/19
8.210.0.0/17
8.210.128.0/18
8.210.192.0/19
8.210.224.0/20
8.210.240.0/24
8.210.241.0/24
8.210.242.0/23
8.210.244.0/22
8.210.248.0/21
8.211.0.0/17
8.211.128.0/18
8.211.192.0/19
8.211.224.0/23
8.211.226.0/24
8.211.227.0/24
8.211.232.0/21
8.211.240.0/20
8.212.0.0/18
8.212.64.0/20
8.212.80.0/21
8.212.88.0/22
8.212.92.0/24
8.212.94.0/23
8.212.96.0/22
8.212.104.0/21
8.212.112.0/20
8.212.128.0/19
8.212.160.0/20
8.212.176.0/21
8.212.188.0/22
8.212.192.0/18
8.213.0.0/18
8.213.64.0/19
8.213.96.0/20
8.213.112.0/21
8.213.120.0/22
8.213.124.0/22
8.213.128.0/18
8.213.192.0/19
8.213.224.0/20
8.213.240.0/21
8.213.248.0/22
8.213.252.0/23
8.213.254.0/23
8.214.0.0/17
8.214.128.0/19
8.214.164.0/22
8.214.168.0/21
8.214.176.0/20
8.214.192.0/18
8.215.0.0/17
8.215.128.0/19
8.215.160.0/24
8.215.161.0/24
8.215.162.0/23
8.215.168.0/23
8.215.170.0/23
8.215.172.0/22
8.215.176.0/20
8.215.192.0/19
8.215.224.0/20
8.215.240.0/24
8.215.241.0/24
8.215.242.0/23
8.215.244.0/22
8.215.248.0/21
8.216.0.0/18
8.216.64.0/22
8.216.68.0/23
8.216.70.0/23
8.216.72.0/24
8.216.73.0/24
8.216.74.0/24
8.216.75.0/24
8.216.80.0/20
8.216.96.0/19
8.216.128.0/20
8.216.144.0/22
8.216.148.0/24
8.216.149.0/24
8.216.150.0/23
8.216.152.0/21
8.216.160.0/19
8.216.192.0/18
8.217.0.0/16
8.218.0.0/16
8.219.0.0/19
8.219.32.0/20
8.219.48.0/20
8.219.64.0/18
8.219.128.0/17
8.220.0.0/18
8.220.64.0/19
8.220.96.0/20
8.220.112.0/22
8.220.116.0/24
8.220.117.0/24
8.220.118.0/23
8.220.120.0/22
8.220.128.0/20
8.220.144.0/22
8.220.148.0/22
8.220.152.0/21
8.220.160.0/21
8.220.171.0/24
8.220.172.0/22
8.220.176.0/20
8.220.192.0/19
8.220.224.0/22
8.220.228.0/23
8.220.230.0/23
8.220.232.0/22
8.220.240.0/21
8.221.0.0/20
8.221.16.0/20
8.221.32.0/19
8.221.64.0/18
8.221.128.0/20
8.221.144.0/21
8.221.156.0/22
8.221.160.0/19
8.221.192.0/18
8.222.0.0/15
43.90.0.0/16
43.92.0.0/15
43.94.0.0/18
43.96.3.0/24
43.96.4.0/22
43.96.8.0/24
43.96.10.0/23
43.96.12.0/24
43.96.20.0/23
43.96.23.0/24
43.96.24.0/23
43.96.32.0/22
43.96.40.0/24
43.96.42.0/24
43.96.44.0/23
43.96.46.0/24
43.96.48.0/21
43.96.59.0/24
43.96.60.0/24
43.96.62.0/23
43.96.64.0/21
43.96.72.0/22
43.96.78.0/24
43.96.80.0/23
43.96.85.0/24
43.96.88.0/23
43.96.90.0/24
43.96.92.0/22
43.96.97.0/24
43.96.100.0/23
43.96.103.0/24
43.96.104.0/23
43.96.107.0/24
43.96.109.0/24
43.96.110.0/23
43.96.112.0/22
43.96.116.0/24
43.96.118.0/23
43.96.120.0/24
43.96.122.0/24
43.96.124.0/24
43.97.0.0/17
43.98.0.0/15
43.100.0.0/15
43.102.0.0/20
43.102.16.0/21
43.102.24.0/25
43.102.24.128/28
43.102.24.144/31
43.102.24.146/32
43.102.24.147/32
43.102.24.148/30
43.102.24.152/29
43.102.24.160/27
43.102.24.192/26
43.102.25.0/24
43.102.26.0/23
43.102.28.0/22
43.102.32.0/19
43.102.64.0/18
43.102.192.0/18
43.103.0.0/16
43.104.0.0/14
43.108.0.0/17
43.108.128.0/18
43.108.192.0/21
43.108.200.0/21
43.108.208.0/20
43.108.224.0/19
43.110.0.0/17
43.110.128.0/18
43.110.192.0/19
43.110.224.0/22
43.110.228.0/22
43.110.232.0/21
43.110.240.0/20
43.111.0.0/16
43.112.0.0/17
43.112.128.0/21
43.112.136.0/21
43.112.144.0/20
43.112.160.0/19
43.112.192.0/18
43.113.0.0/16
43.114.0.0/17
43.114.128.0/22
43.114.132.0/22
43.114.136.0/21
43.114.144.0/20
43.114.160.0/19
43.114.192.0/18
43.116.0.0/18
43.116.64.0/19
43.116.96.0/26
43.116.96.64/29
43.116.96.72/30
43.116.96.76/31
43.116.96.78/32
43.116.96.79/32
43.116.96.80/28
43.116.96.96/27
43.116.96.128/25
43.116.97.0/24
43.116.98.0/23
43.116.100.0/22
43.116.104.0/21
43.116.112.0/20
43.116.192.0/18
43.117.0.0/16
43.118.0.0/17
43.118.128.0/19
43.118.160.0/21
43.118.168.0/24
43.118.169.0/24
43.118.170.0/23
43.118.172.0/22
43.118.176.0/20
43.119.0.0/16
43.120.0.0/15
43.122.0.0/16
43.123.0.0/17
43.123.128.0/18
43.124.0.0/16
43.125.0.0/19
43.125.32.0/20
43.125.48.0/21
43.126.0.0/17
47.52.0.0/16
47.56.0.0/16
47.57.0.0/17
47.57.128.0/18
47.57.192.0/22
47.57.196.0/24
47.57.198.0/23
47.57.200.0/21
47.57.208.0/20
47.57.224.0/19
47.74.0.0/18
47.74.64.0/19
47.74.96.0/21
47.74.104.0/21
47.74.112.0/20
47.74.128.0/19
47.74.160.0/22
47.74.164.0/23
47.74.166.0/23
47.74.168.0/21
47.74.176.0/20
47.74.192.0/18
47.75.0.0/16
47.76.0.0/16
47.77.0.0/20
47.77.16.0/21
47.77.24.0/22
47.77.32.0/19
47.77.64.0/19
47.77.96.0/20
47.77.112.0/23
47.77.128.0/19
47.77.160.0/19
47.77.192.0/18
47.78.0.0/16
47.79.0.0/18
47.79.64.0/20
47.79.80.0/22
47.79.84.0/22
47.79.88.0/21
47.79.96.0/19
47.79.128.0/17
47.80.0.0/14
47.84.0.0/16
47.85.0.0/18
47.85.64.0/19
47.85.96.0/20
47.85.112.0/22
47.85.116.0/22
47.85.120.0/21
47.85.128.0/23
47.85.130.0/24
47.85.131.0/24
47.85.132.0/22
47.85.136.0/21
47.85.144.0/21
47.85.152.0/22
47.85.156.0/23
47.85.158.0/23
47.85.160.0/19
47.85.192.0/18
47.86.0.0/16
47.87.0.0/22
47.87.4.0/24
47.87.5.0/24
47.87.6.0/23
47.87.8.0/21
47.87.16.0/21
47.87.32.0/21
47.87.40.0/23
47.87.42.0/24
47.87.43.0/24
47.87.44.0/22
47.87.48.0/20
47.87.64.0/21
47.87.80.0/20
47.87.96.0/19
47.87.128.0/20
47.87.144.0/21
47.87.156.0/22
47.87.160.0/19
47.87.192.0/18
47.88.0.0/19
47.88.32.0/21
47.88.40.0/22
47.88.44.0/22
47.88.48.0/20
47.88.64.0/19
47.88.96.0/21
47.88.104.0/22
47.88.108.0/23
47.88.110.0/23
47.88.112.0/20
47.88.128.0/21
47.88.136.0/21
47.88.144.0/20
47.88.160.0/19
47.88.192.0/18
47.89.0.0/18
47.89.72.0/21
47.89.80.0/22
47.89.84.0/24
47.89.88.0/23
47.89.90.0/24
47.89.92.0/22
47.89.96.0/20
47.89.122.0/23
47.89.124.0/23
47.89.128.0/18
47.89.192.0/20
47.89.208.0/21
47.89.216.0/22
47.89.220.0/23
47.89.222.0/23
47.89.224.0/19
47.90.0.0/17
47.90.128.0/19
47.90.160.0/21
47.90.168.0/22
47.90.176.0/20
47.90.192.0/18
47.91.0.0/16
47.235.0.0/21
47.235.8.0/22
47.235.12.0/23
47.235.16.0/20
47.236.0.0/17
47.236.128.0/18
47.236.192.0/20
47.236.208.0/21
47.236.220.0/22
47.236.224.0/19
47.237.0.0/19
47.237.32.0/23
47.237.34.0/24
47.237.35.0/24
47.237.36.0/22
47.237.40.0/21
47.237.48.0/20
47.237.64.0/18
47.237.128.0/18
47.237.192.0/19
47.237.224.0/20
47.237.240.0/21
47.237.249.0/24
47.237.250.0/23
47.237.252.0/22
47.238.0.0/20
47.238.16.0/21
47.238.28.0/22
47.238.32.0/19
47.238.64.0/18
47.238.128.0/17
47.239.0.0/16
47.240.0.0/14
47.244.0.0/18
47.244.64.0/21
47.244.72.0/23
47.244.74.0/23
47.244.76.0/22
47.244.80.0/20
47.244.96.0/19
47.244.128.0/17
47.245.0.0/17
47.245.128.0/20
47.245.144.0/21
47.245.152.0/22
47.245.160.0/19
47.245.192.0/20
47.245.208.0/21
47.245.216.0/22
47.245.224.0/19
47.246.32.0/22
47.246.66.0/23
47.246.68.0/23
47.246.72.0/21
47.246.82.0/23
47.246.84.0/22
47.246.88.0/23
47.246.91.0/24
47.246.92.0/23
47.246.96.0/22
47.246.101.0/24
47.246.102.0/23
47.246.104.0/21
47.246.120.0/24
47.246.122.0/23
47.246.124.0/23
47.246.128.0/23
47.246.131.0/24
47.246.132.0/23
47.246.135.0/24
47.246.136.0/21
47.246.144.0/22
47.246.150.0/23
47.246.152.0/22
47.246.157.0/24
47.246.158.0/23
47.246.160.0/23
47.246.162.0/24
47.246.164.0/22
47.246.168.0/21
47.246.176.0/20
47.246.192.0/20
47.246.208.0/23
47.246.212.0/22
47.246.216.0/22
47.250.0.0/18
47.250.68.0/22
47.250.72.0/21
47.250.80.0/20
47.250.96.0/22
47.250.100.0/22
47.250.108.0/22
47.250.112.0/20
47.250.128.0/17
47.251.0.0/17
47.251.132.0/22
47.251.136.0/21
47.251.144.0/20
47.251.160.0/19
47.251.196.0/22
47.251.200.0/21
47.251.208.0/20
47.251.224.0/22
47.251.228.0/22
47.251.232.0/21
47.251.240.0/20
47.252.0.0/18

IPv6 prefixes

All 65 prefixes.

2400:3200::/48
2400:3200:baba::/48
2400:b200:4100::/46
2401:b180:4100::/48
2404:2280:1000::/36
2404:2280:2000::/35
2404:2280:4000::/36
2408:4000:101::/48
2408:4000:102::/48
2408:4009:500::/48
240b:4000::/31
240b:4002::/36
240b:4002:1000::/44
240b:4002:1011::/48
240b:4002:1012::/47
240b:4002:1014::/46
240b:4002:1018::/45
240b:4002:1020::/43
240b:4002:1040::/42
240b:4002:1080::/41
240b:4002:1100::/40
240b:4002:1200::/39
240b:4002:1400::/38
240b:4002:1800::/37
240b:4002:2000::/35
240b:4002:4000::/34
240b:4002:8000::/33
240b:4004::/31
240b:4006::/48
240b:4006:1000::/46
240b:4006:1004::/46
240b:4006:1008::/45
240b:4006:1010::/44
240b:4006:1020::/44
240b:4006:1100::/44
240b:4006:1110::/45
240b:4006:1118::/46
240b:4007::/32
240b:4009::/32
240b:400b::/32
240b:400c::/30
240b:4010:fffe::/47
240b:4011::/32
240b:4012::/31
240b:4014::/30
240b:4018::/31
240b:401a::/33
240b:401a:8000::/34
240b:401a:c000::/35
240b:401a:e000::/36
240b:401a:f000::/37
240b:401a:f800::/38
240b:401a:fc00::/39
240b:401a:fe00::/40
240b:401a:ff00::/41
240b:401a:ff80::/42
240b:401a:ffc0::/43
240b:401a:ffe0::/44
240b:401a:fff0::/45
240b:401a:fff8::/46
240b:401a:fffc::/47
240b:401a:fffe::/48
240b:401a:ffff::/48
240b:401b::/32
240b:401f::/32

Similar-sized networks in China

ASNNameIPv4 addresses

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

AS56046#10 CMNET-Jiangsu-AP - China Mobile communications corporation3,631,872

AS4847#11 CNIX-AP - China Networks Inter-Exchange3,607,552

AS56041#12 CMNET-Zhejiang-AP - China Mobile communications corporation2,990,592

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