AS202036 EXTREME-COMM EXTREME COMMUNICATIONS TECHNOLOGY LIMITED

EXTREME-COMM EXTREME COMMUNICATIONS TECHNOLOGY LIMITED · registered in Hong Kong

IPv4 addresses19,71251 prefixes · <0.001% of announced IPv4

Rank in Hong Kong#84largest network in HK by IPv4 space, of 735 · 0.10% of HK

Rank worldwide#6,205of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryHong Kong779 ASNs registered there

Open AS202036 in ASN lookup Look up an IP in this network (23.157.236.1) All networks in Hong Kong

IPv4 prefixes

All 51 prefixes, in address order.

23.157.236.0/24
23.160.132.0/24
45.192.112.0/24
45.192.115.0/24
45.198.231.0/24
45.201.16.0/21
45.201.24.0/23
45.201.28.0/22
45.201.32.0/24
45.201.36.0/23
45.201.38.0/24
45.201.40.0/24
49.128.222.0/24
95.134.81.0/24
103.4.100.0/23
103.14.92.0/23
103.129.199.0/24
103.181.248.0/24
103.229.118.0/24
112.196.199.0/24
112.196.215.0/24
124.66.221.0/24
145.79.83.0/24
145.79.100.0/24
145.79.104.0/24
145.79.111.0/24
145.79.115.0/24
145.79.119.0/24
151.246.215.0/24
151.247.48.0/24
151.247.82.0/24
154.83.104.0/23
154.83.107.0/24
154.83.108.0/22
156.225.2.0/23
156.225.50.0/23
156.249.158.0/23
156.249.161.0/24
156.249.163.0/24
156.249.168.0/23
156.249.174.0/24
156.249.181.0/24
156.249.182.0/24
156.249.186.0/24
156.249.197.0/24
162.4.57.0/24
178.95.247.0/24
200.33.58.0/24
202.155.64.0/23
204.58.136.0/22
209.131.64.0/24

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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