AS63900 ZUSO Generation Co., Ltd.

ZUSO - ZUSO Generation Co., Ltd. · registered in Taiwan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Taiwan#209largest network in TW by IPv4 space, of 237 · <0.01% of TW

Rank worldwide#59,873of 79,396 networks with IPv4

IPv665,535 x /4829 prefixes

CountryTaiwan288 ASNs registered there

Open AS63900 in ASN lookup Look up an IP in this network (138.252.12.1) All networks in Taiwan

IPv4 prefixes

All 1 prefix, in address order.

138.252.12.0/24

IPv6 prefixes

All 29 prefixes.

2402:30e0:1::/48
2402:30e0:2::/47
2402:30e0:4::/46
2402:30e0:8::/45
2402:30e0:10::/44
2402:30e0:20::/43
2402:30e0:40::/42
2402:30e0:80::/41
2402:30e0:100::/40
2402:30e0:200::/39
2402:30e0:400::/38
2402:30e0:800::/37
2402:30e0:1000::/36
2402:30e0:2000::/35
2402:30e0:4000::/34
2402:30e0:8000::/39
2402:30e0:8200::/41
2402:30e0:8280::/46
2402:30e0:8284::/46
2402:30e0:8288::/45
2402:30e0:8290::/44
2402:30e0:82a0::/43
2402:30e0:82c0::/42
2402:30e0:8300::/40
2402:30e0:8400::/38
2402:30e0:8800::/37
2402:30e0:9000::/36
2402:30e0:a000::/35
2402:30e0:c000::/34

Other ASNs named ZUSO Generation Co., Ltd.

1 other network uses the same organisation name; together with AS63900 they announce 512 IPv4 addresses.

ASNNameIPv4 addresses

AS131638X32B535D8 - ZUSO Generation Co., Ltd. TW256

Similar-sized networks in Taiwan

ASNNameIPv4 addresses

AS152627#206 HUSHENGXIN-AS-TW - Hushengxin Co., Ltd.512

AS150771#207 FUYU-AS - FUYU Group Inc.256

AS152610#208 AS-Digiwoker - SAELW(TAIWAN) CO., LIMITED256

AS205329#210 Kai-Jung-Chen Kai-Jung Chen256

AS150767#211 SHIJICOLTD-AS-TW - Shi Ji Industrial Co., Ltd.256

AS131678#212 DQWL-AS - DQWLIT256

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