On Wed, 23 Aug 2017, Kurt Kraut wrote:
Network Information:
a. [Network Number] 59.106.12.0-59.106.27.255
b. [Network Name] SAKURA-NET
g. [Organization] SAKURA Internet Inc.
m. [Administrative Contact] KT749JP
n. [Technical Contact] KW419JP
No e-mail addresses of the abuse team or NOC or SOC.
Since they don't have an abuse contact and there's not much additional
useful contact information in their peeringdb entry, your next best bet
would be to reach out to the admin and technical contacts listed in their
whois record, or try the abuse contacts for one or more of their
upstreams.
jms
