IP pool by ISP

Search for "So-net M3"

IP Pool	Country	State / Region	City	Coordinates	Timezone
202.213.243.0 - 202.213.243.63	Japan ISP \| ORG	Tokyo ISP \| ORG	Musashino ISP \| ORG	35.7023, 139.578	Asia/Tokyo (UTC+9) ISP \| ORG