AS55891 WATCH TOWER BIBLE AND TRACT SOCIETY

WBTSJP-AS - WATCH TOWER BIBLE AND TRACT SOCIETY · registered in Japan

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Japan#517largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#30,221of 79,396 networks with IPv4

IPv62 x /32 (133,632 x /48)10 prefixes

CountryJapan745 ASNs registered there

Open AS55891 in ASN lookup Look up an IP in this network (103.10.240.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

103.10.240.0/22

IPv6 prefixes

All 10 prefixes.

2400:fd80:100::/40
2403:7300::/32
2405:4cc1:100::/40
2405:4cc1:200::/40
2405:4cc1:500::/40
2405:4cc1:600::/39
2405:4cc1:800::/39
2405:4cc1:b00::/40
2405:4cc1:1000::/40
2406:4ac0::/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