KISNET
AS23631 (KISNET) announces at least three prefixes:
202.243.120.0/21
Niigata Institute of Technology
1970-01-01
NIIT-NET-CIDR-BLK-JP
202.243.120.0-202.243.127.255
210.236.208.0/20
Kashiwazaki Internet Service
210.236.208.0-210.236.209.255
2402:b300::/32
Sofu System, Inc
SoFu-System-CIDR-BLK-JP
2402:b300::-2402:b300:ffff:ffff:ffff:ffff:ffff:ffff
0