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AS45753 Netsec Limited

NETSEC-HK - Netsec Limited · registered in Hong Kong

IPv4 addresses105,72889 prefixes · 0.003% of announced IPv4
Rank in Hong Kong#31largest network in HK by IPv4 space, of 735 · 0.54% of HK
Rank worldwide#1,837of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryHong Kong779 ASNs registered there
Open AS45753 in ASN lookup Look up an IP in this network (43.225.197.1) All networks in Hong Kong

IPv4 prefixes

All 89 prefixes, in address order.

  • 43.225.197.0/24
  • 43.225.198.0/23
  • 52.128.224.0/21
  • 52.128.232.0/22
  • 52.128.236.0/23
  • 52.128.239.0/24
  • 52.128.240.0/24
  • 52.128.243.0/24
  • 52.128.247.0/24
  • 52.128.248.0/22
  • 52.128.252.0/23
  • 52.128.254.0/24
  • 52.128.255.0/24
  • 69.72.80.0/21
  • 103.44.160.0/22
  • 103.70.76.0/23
  • 103.71.252.0/23
  • 103.84.84.0/22
  • 103.89.72.0/24
  • 103.91.8.0/22
  • 103.117.144.0/22
  • 103.133.72.0/23
  • 103.133.74.0/24
  • 103.147.224.0/23
  • 103.194.184.0/22
  • 103.199.104.0/22
  • 103.203.48.0/23
  • 103.203.50.0/24
  • 103.212.96.0/22
  • 103.231.172.0/22
  • 110.173.48.0/20
  • 111.68.0.0/21
  • 111.68.8.0/22
  • 111.68.12.0/24
  • 112.121.160.0/20
  • 112.121.176.0/21
  • 112.121.188.0/22
  • 116.213.36.0/22
  • 119.42.144.0/21
  • 123.253.24.0/22
  • 137.59.20.0/22
  • 139.5.200.0/22
  • 141.193.152.0/23
  • 141.193.155.0/24
  • 141.193.156.0/22
  • 148.66.1.0/24
  • 148.66.2.0/23
  • 148.66.4.0/22
  • 148.66.8.0/21
  • 148.66.16.0/20
  • 148.66.48.0/20
  • 154.212.161.0/24
  • 157.85.232.0/22
  • 157.85.238.0/23
  • 175.41.16.0/22
  • 175.41.20.0/24
  • 175.41.29.0/24
  • 175.41.30.0/23
  • 180.178.32.0/20
  • 180.178.48.0/23
  • 180.178.50.0/24
  • 180.178.52.0/23
  • 180.178.55.0/24
  • 182.16.0.0/19
  • 182.16.32.0/20
  • 182.16.48.0/21
  • 182.16.56.0/23
  • 182.16.59.0/24
  • 182.16.60.0/24
  • 182.16.63.0/24
  • 182.16.64.0/22
  • 182.16.70.0/23
  • 182.16.72.0/21
  • 182.16.80.0/20
  • 182.16.96.0/23
  • 182.16.98.0/24
  • 182.16.99.0/24
  • 182.16.100.0/22
  • 182.16.104.0/21
  • 182.16.112.0/21
  • 182.16.120.0/22
  • 182.16.124.0/24
  • 182.16.125.0/24
  • 182.16.126.0/23
  • 202.59.249.0/24
  • 202.61.97.0/24
  • 202.61.111.0/24
  • 203.7.167.0/24
  • 216.118.224.0/19

Similar-sized networks in Hong Kong

ASNNameIPv4 addresses
AS140227#28 HKCICL-AS-AP - Hong Kong Communications International Co., Limited121,088
AS152179#29 GCNL-AS-AP - GLOBAL COMMUNICATION NETWORK LIMITED118,016
AS138415#30 YANCYLIMITED-AS-HK - Yancy Limited111,872
AS138915#32 KAOPU-HK - Kaopu Cloud HK Limited104,192
AS131274#33 CYPRESSTEL-HK - Cypresstel Global Network99,584
AS154177#34 LIGHT4-AS-AP - LIGHT NODE LIMITED99,328

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