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AS58542 Tianjij,300000

CHINATELECOM-TIANJIN - Tianjij,300000 · registered in China

IPv4 addresses110,33656 prefixes · 0.004% of announced IPv4
Rank in China#95largest network in CN by IPv4 space, of 601 · 0.04% of CN
Rank worldwide#1,795of 79,396 networks with IPv4
IPv63 x /32 (205,314 x /48)27 prefixes
CountryChina5,117 ASNs registered there
Open AS58542 in ASN lookup Look up an IP in this network (42.81.0.1) All networks in China

IPv4 prefixes

All 56 prefixes, in address order.

  • 42.81.0.0/19
  • 42.81.32.0/20
  • 42.81.48.0/21
  • 42.81.56.0/22
  • 42.81.60.0/24
  • 42.81.61.0/24
  • 42.81.62.0/23
  • 42.81.64.0/18
  • 42.81.128.0/21
  • 42.81.136.0/23
  • 42.81.138.0/24
  • 42.81.139.0/24
  • 42.81.140.0/22
  • 42.81.144.0/20
  • 42.81.160.0/19
  • 42.81.192.0/18
  • 43.241.180.0/22
  • 103.45.168.0/24
  • 103.233.4.0/22
  • 123.150.70.0/23
  • 123.150.72.0/23
  • 123.150.76.0/22
  • 123.150.174.0/24
  • 123.150.208.0/24
  • 123.151.8.0/21
  • 123.151.26.0/23
  • 123.151.39.0/24
  • 123.151.40.0/24
  • 123.151.42.0/24
  • 123.151.46.0/23
  • 123.151.48.0/20
  • 123.151.64.0/20
  • 123.151.92.0/22
  • 123.151.96.0/20
  • 123.151.137.0/24
  • 123.151.138.0/23
  • 123.151.144.0/24
  • 123.151.148.0/22
  • 123.151.152.0/22
  • 123.151.156.0/23
  • 123.151.158.0/24
  • 123.151.176.0/21
  • 123.151.190.0/24
  • 180.213.48.0/20
  • 180.213.64.0/22
  • 180.213.100.0/22
  • 180.213.112.0/20
  • 180.213.240.0/20
  • 218.98.176.0/24
  • 218.98.192.0/24
  • 221.238.34.0/23
  • 221.238.41.0/24
  • 221.238.70.0/24
  • 221.238.73.0/24
  • 221.238.92.0/24
  • 221.238.94.0/24

IPv6 prefixes

All 27 prefixes.

  • 240e:5:2000::/35
  • 240e:95:8001::/48
  • 240e:108:1090::/48
  • 240e:928::/38
  • 240e:928:400::/48
  • 240e:928:401::/48
  • 240e:928:402::/47
  • 240e:928:404::/46
  • 240e:928:408::/45
  • 240e:928:410::/44
  • 240e:928:420::/43
  • 240e:928:440::/42
  • 240e:928:480::/41
  • 240e:928:500::/40
  • 240e:928:600::/39
  • 240e:928:800::/37
  • 240e:928:1000::/38
  • 240e:928:1400::/40
  • 240e:928:1500::/40
  • 240e:928:1600::/39
  • 240e:928:1800::/37
  • 240e:928:2000::/35
  • 240e:928:4000::/34
  • 240e:928:8000::/33
  • 240e:92a::/31
  • 240e:980:9600::/40
  • 240e:981:9000::/40

Similar-sized networks in China

ASNNameIPv4 addresses
AS141679#92 CHINATELECOM-IDC-BTHBD-AP - China Telecom Beijing Tianjin Hebei Big Data Industry Park Branch115,200
AS134756#93 ChinaNet-NANJING-JISHAN-IDC - CHINANET Nanjing Jishan IDC network114,688
AS134419#94 CHINATELECOM-Guangxi-Beihai-MAN - Beihai112,384
AS136188#96 CHINATELECOM-ZHEJIANG-NINGBO-IDC - NINGBO, ZHEJIANG Province, P.R.China.110,336
AS134773#97 ChinaNet-Guangdong-Guangzhou-MAN - CHINANET Guangdong province Guangzhou MAN network102,912
AS140647#98 CHINATELECOM-GUIZHOU-SHENGJI-5G-NETWORK - CHINATELECOM Guizhou province Shengji 5G network102,656

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