AS18043 Department of Education, Hsinchu City

HCCG-AS - Department of Education, Hsinchu City · registered in Taiwan

IPv4 addresses35,58410 prefixes · 0.001% of announced IPv4

Rank in Taiwan#47largest network in TW by IPv4 space, of 237 · 0.11% of TW

Rank worldwide#4,559of 79,396 networks with IPv4

IPv61 x /32 (66,048 x /48)2 prefixes

CountryTaiwan288 ASNs registered there

Open AS18043 in ASN lookup Look up an IP in this network (120.104.0.1) All networks in Taiwan

IPv4 prefixes

All 10 prefixes, in address order.

120.104.0.0/19
120.104.32.0/21
120.104.64.0/19
120.104.96.0/20
144.79.66.0/23
163.19.104.0/21
163.19.112.0/20
163.19.128.0/20
163.19.144.0/21
163.28.69.0/24

IPv6 prefixes

All 2 prefixes.

2001:288:4200::/39
2402:3ce0::/32

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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