IPv4 prefix

1.66.0.0/15

IP Prefix (CIDR)

1.66.0.0/15

Subnet Mask

255.254.0.0

Address Count

131,072

IP Range

1.66.0.0 - 1.67.255.255

Subnet calculator

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Registered Owner

Handle

IRT-JPNIC-JP

Country

Japan (JP)

Address

Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, japan

Registry

JPNIC

Registered Prefix

1.66.0.0/15 (1.66.0.0 - 1.67.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
1.66.20.0/22	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.20.0	1.66.23.255
1.66.24.0/21	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.24.0	1.66.31.255
1.66.32.0/22	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.32.0	1.66.35.255
1.66.36.0/24	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.36.0	1.66.36.255
1.66.68.0/22	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.68.0	1.66.71.255
1.66.90.0/24	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.90.0	1.66.90.255
1.66.92.0/24	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.92.0	1.66.92.255
1.66.96.0/19	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.96.0	1.66.127.255
1.66.128.0/17	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.66.128.0	1.66.255.255
1.67.0.0/17	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.67.0.0	1.67.127.255
1.67.128.0/18	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.67.128.0	1.67.191.255
1.67.192.0/19	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.67.192.0	1.67.223.255
1.67.224.0/21	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.67.224.0	1.67.231.255
1.67.232.0/22	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.67.232.0	1.67.235.255
1.67.236.0/23	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.67.236.0	1.67.237.255
1.67.240.0/20	More specific	AS9605	NTT DOCOMO INC.	Japan (JP)	1.67.240.0	1.67.255.255