IP subnet details

221.48.0.0/12

AS17676  — Softbank Mobile Corp.

Summary

Country
JP Japan
Domain softbank.jp
Size 1,048,576
Registry APNIC
Network Name BBTEC

Whois

inetnum: 221.48.0.0 - 221.63.255.255
netname: BBTEC
descr: Japan Nation-wide Network of Softbank Corp.
country: JP
org: ORG-SC4-AP
admin-c: SA421-AP
tech-c: SA421-AP
abuse-c: AS2391-AP
status: ALLOCATED PORTABLE
notify: kimatsud@softbank.co.jp
mnt-by: APNIC-HM
mnt-lower: MAINT-JP-BBTECH
mnt-routes: MAINT-JP-BBTECH
mnt-irt: IRT-SOFTBANK-JP
last-modified: 2026-01-19T02:51:53Z
source: APNIC

irt: IRT-SOFTBANK-JP
address: Tokyo Portcity Takeshiba Office Tower 21F
address: 1-7-1, Kaigan
address: Minatoku,Tokyo, Japan
e-mail: abuse@e.softbank.co.jp
abuse-mailbox: abuse@e.softbank.co.jp
admin-c: KF291-AP
tech-c: KF291-AP
auth: # Filtered
remarks: abuse@e.softbank.co.jp was validated on 2025-11-05
mnt-by: MAINT-JP-BBTECH
last-modified: 2026-01-06T10:49:11Z
source: APNIC

organisation: ORG-SC4-AP
org-name: SOFTBANK Corp.
org-type: LIR
country: JP
address: Tokyo Portcity Takeshiba Office Tower 22F
address: 1-7-1, Kaigan
phone: +81-3-6889-6365
e-mail: GRP-nic-admin@g.softbank.co.jp
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:51Z
source: APNIC

role: ABUSE SOFTBANKJP
country: ZZ
address: Tokyo Portcity Takeshiba Office Tower 21F
address: 1-7-1, Kaigan
address: Minatoku,Tokyo, Japan
phone: +000000000
e-mail: abuse@e.softbank.co.jp
admin-c: KF291-AP
tech-c: KF291-AP
nic-hdl: AS2391-AP
remarks: Generated from irt object IRT-SOFTBANK-JP
remarks: abuse@e.softbank.co.jp was validated on 2025-11-05
abuse-mailbox: abuse@e.softbank.co.jp
mnt-by: APNIC-ABUSE
last-modified: 2025-11-05T01:56:02Z
source: APNIC

role: SoftbankBB ABUSE
address: Tokyo Portcity Takeshiba Office Tower 22F, 1-7-1, Kaigan, Minatoku,Tokyo
country: JP
phone: +81-3-6688-5120
e-mail: abuse@e.softbank.co.jp
remarks: Please send spam report,virus alart
remarks: or any other abuse report
remarks: to abuse@e.softbank.co.jp
remarks: Any other Information, Notice,
remarks: Please send to hostmaster@bbtec.net
admin-c: KF291-AP
tech-c: KF291-AP
nic-hdl: SA421-AP
mnt-by: MAINT-JP-BBTECH
last-modified: 2024-03-26T02:44:48Z
source: APNIC

CIDR IP address subranges within 221.48.0.0/12 subnet

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