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AS17775 shanghai science and technology network communication limited company

STN-CN - shanghai science and technology network communication limited company · registered in China

IPv4 addresses37,88857 prefixes · 0.001% of announced IPv4
Rank in China#166largest network in CN by IPv4 space, of 601 · 0.01% of CN
Rank worldwide#4,424of 79,396 networks with IPv4
IPv61 x /481 prefixes
CountryChina5,117 ASNs registered there
Open AS17775 in ASN lookup Look up an IP in this network (122.144.128.1) All networks in China

IPv4 prefixes

All 57 prefixes, in address order.

  • 122.144.128.0/21
  • 122.144.136.0/22
  • 122.144.140.0/23
  • 122.144.142.0/23
  • 122.144.144.0/23
  • 122.144.147.0/24
  • 122.144.152.0/23
  • 122.144.156.0/23
  • 122.144.161.0/24
  • 122.144.164.0/22
  • 122.144.168.0/23
  • 122.144.170.0/23
  • 122.144.172.0/23
  • 122.144.178.0/23
  • 122.144.180.0/22
  • 122.144.192.0/23
  • 122.144.194.0/24
  • 122.144.195.0/24
  • 122.144.196.0/22
  • 122.144.200.0/22
  • 122.144.206.0/23
  • 122.144.208.0/23
  • 122.144.211.0/24
  • 122.144.212.0/22
  • 122.144.216.0/21
  • 122.144.232.0/22
  • 122.144.236.0/23
  • 122.144.240.0/24
  • 122.144.248.0/23
  • 125.215.36.0/23
  • 125.215.40.0/24
  • 125.215.44.0/23
  • 125.215.48.0/24
  • 125.215.52.0/23
  • 125.215.54.0/24
  • 203.95.0.0/23
  • 203.95.2.0/24
  • 203.95.4.0/22
  • 210.14.64.0/23
  • 210.14.66.0/23
  • 210.14.68.0/22
  • 210.14.72.0/21
  • 210.14.80.0/22
  • 210.14.84.0/24
  • 210.14.90.0/23
  • 210.14.92.0/22
  • 210.73.204.0/24
  • 211.144.96.0/23
  • 211.144.100.0/22
  • 211.144.104.0/22
  • 211.144.108.0/24
  • 211.144.109.0/24
  • 211.144.110.0/24
  • 211.144.112.0/24
  • 211.144.114.0/23
  • 211.144.118.0/23
  • 211.144.120.0/21

IPv6 prefixes

All 1 prefix.

  • 2403:2040::/48

Similar-sized networks in China

ASNNameIPv4 addresses
AS23844#163 BJ-GUANGHUAN-AP - Beijing Guanghuan Xinwang Digital39,424
AS146966#164 CHINANET-YANGZHOUNORTH-IDC - China Telecom38,400
AS17964#165 DXTNET - Beijing Dian-Xin-Tong Network Technologies Co., Ltd.38,144
AS134766#167 CHINANET-YUNNAN-IDC2 - CHINANET Yunnan province IDC2 network37,376
AS139203#168 CHINANET-Guizhou-Guian-IDC - Guizhou GuiAn IDC36,352
AS63647#169 WJHTEDU - Beijing WangJu Interworking Information Technology Co. LTD36,352

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