AS151388 SoftEther Corporation (SE-JIKKEN-AS)

SE-JIKKEN-AS - SoftEther Corporation (SE-JIKKEN-AS) · registered in Japan

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in Japan#532largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#35,296of 79,396 networks with IPv4

IPv6514 x /483 prefixes

CountryJapan745 ASNs registered there

Open AS151388 in ASN lookup Look up an IP in this network (202.222.7.1) All networks in Japan

IPv4 prefixes

All 3 prefixes, in address order.

202.222.7.0/24
210.171.66.0/23
219.100.39.0/24

IPv6 prefixes

All 3 prefixes.

2401:af80:c200::/39
2401:af80:c401::/48
2401:af80:c402::/48

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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