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AS58777 ChinaTelecom Cybersecurity Tech

CT2 - ChinaTelecom Cybersecurity Tech · registered in China

IPv4 addresses6,40021 prefixes · <0.001% of announced IPv4
Rank in China#264largest network in CN by IPv4 space, of 601 · <0.01% of CN
Rank worldwide#12,001of 79,396 networks with IPv4
IPv664 x /4862 prefixes
CountryChina5,117 ASNs registered there
Open AS58777 in ASN lookup Look up an IP in this network (42.122.63.1) All networks in China

IPv4 prefixes

All 21 prefixes, in address order.

  • 42.122.63.0/24
  • 59.47.246.0/24
  • 59.50.75.0/24
  • 59.52.138.0/24
  • 61.133.162.0/24
  • 61.151.144.0/23
  • 106.91.120.0/24
  • 110.90.214.0/24
  • 113.240.205.0/24
  • 115.233.202.0/24
  • 117.25.105.0/24
  • 125.93.28.0/23
  • 182.36.0.0/24
  • 203.33.67.0/24
  • 206.109.75.0/24
  • 218.62.152.0/23
  • 220.171.147.0/24
  • 221.226.225.0/24
  • 221.235.40.0/24
  • 221.237.65.0/24
  • 222.91.142.0/23

IPv6 prefixes

All 62 prefixes.

  • 240e:108:4000::/47
  • 240e:108:4020::/48
  • 240e:108:4025::/48
  • 240e:108:4040::/48
  • 240e:108:4047::/48
  • 240e:108:4059::/48
  • 240e:108:4060::/48
  • 240e:108:4080::/48
  • 240e:108:40a0::/48
  • 240e:108:40e0::/48
  • 240e:108:40ec::/48
  • 240e:108:4120::/48
  • 240e:108:4140::/48
  • 240e:108:4160::/48
  • 240e:108:41c0::/48
  • 240e:108:41e0::/48
  • 240e:108:4220::/48
  • 240e:108:4240::/48
  • 240e:108:4260::/48
  • 240e:108:4280::/48
  • 240e:108:42a0::/48
  • 240e:108:42c0::/48
  • 240e:108:42e0::/48
  • 240e:108:4300::/48
  • 240e:108:4320::/48
  • 240e:108:4340::/48
  • 240e:108:4360::/48
  • 240e:108:4380::/48
  • 240e:108:438c::/48
  • 240e:108:43a0::/48
  • 240e:108:43c0::/48
  • 240e:108:4800::/47
  • 240e:108:4820::/48
  • 240e:108:4825::/48
  • 240e:108:4840::/48
  • 240e:108:4847::/48
  • 240e:108:4859::/48
  • 240e:108:4860::/48
  • 240e:108:4880::/48
  • 240e:108:48a0::/48
  • 240e:108:48e0::/48
  • 240e:108:48ec::/48
  • 240e:108:4920::/48
  • 240e:108:4940::/48
  • 240e:108:4960::/48
  • 240e:108:49c0::/48
  • 240e:108:49e0::/48
  • 240e:108:4a20::/48
  • 240e:108:4a40::/48
  • 240e:108:4a60::/48
  • 240e:108:4a80::/48
  • 240e:108:4aa0::/48
  • 240e:108:4ac0::/48
  • 240e:108:4ae0::/48
  • 240e:108:4b00::/48
  • 240e:108:4b20::/48
  • 240e:108:4b40::/48
  • 240e:108:4b60::/48
  • 240e:108:4b80::/48
  • 240e:108:4b8c::/48
  • 240e:108:4ba0::/48
  • 240e:108:4bc0::/48

Similar-sized networks in China

ASNNameIPv4 addresses
AS219278#261 RASHOST Beijing Ruihao Kai Yuan Technology Co., Ltd7,168
AS139887#262 ChinaNet-Yantai-IDC - ChinaNet Shandong Yantai IDC network6,656
AS140886#263 UNICOM-GX-IDC - UNICOM Guangxi province network6,656
AS132536#265 CHINANET-TIANJIN-MAN-NEW - China Telecom6,400
AS58854#266 kaopy - Kaopu Cloud6,400
AS9807#267 GOVSTATS - Data Management Centre National Bureau of Statistics of China6,144

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