150358 TWCU-NET - Tokyo Woman's Christian University, JP
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS2497 IIJ - Internet Initiative Japan Inc., JP
AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 17602 AS150358 ORIGIN Originate: 4096 /20.00 Transit: 0 /0.00 TWCU-NET - Tokyo Woman's Christian University, JP
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 25823 AS150358 TWCU-NET - Tokyo Woman's Christian University 3 2 1 2 1 33.33% Prefix AS Path Aggregation Suggestion 202.11.168.0/21 4777 2497 150358 202.11.168.0/21 4777 2907 150358 + Announce - aggregate of 202.11.168.0/22 (4777 2907 150358) and 202.11.172.0/22 (4777 2907 150358) 202.11.168.0/22 4777 2907 150358 - Withdrawn - aggregated with 202.11.172.0/22 (4777 2907 150358) 202.11.172.0/22 4777 2907 150358 - Withdrawn - aggregated with 202.11.168.0/22 (4777 2907 150358)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS150358 3 More Specifics 3 Total Advertisements TWCU-NET - Tokyo Woman's Christian University, JP
202.11.168.0/21 202.11.0.0/16
202.11.168.0/22 202.11.0.0/16
202.11.172.0/22 202.11.0.0/16
whois: 402591
IANA has recorded AS150358 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS150358\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS149818 - AS150841'
as-block: AS149818 - AS150841
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2021-10-13T00:52:11Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS150355 - AS150369'
as-block: AS150355 - AS150369
descr: JPNIC-4Byte-ASBLOCK-AP
country: JP
org: ORG-JNIC1-AP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: for assignment to JPNIC members
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.ad.jp
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2022-10-13T05:49:54Z
source: APNIC
organisation: ORG-JNIC1-AP
org-name: Japan Network Information Center
org-type: NIR
country: JP
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T01:49:57Z
source: APNIC
role: Japan Network Information Center
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS150358'
% Abuse contact for 'AS150358' is 'hostmaster@nic.ad.jp'
aut-num: AS150358
as-name: TWCU-NET
descr: Tokyo Woman's Christian University
descr: 2-6-1, Zempukuji, Suginami, Tokyo 167-8585, Japan
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Email address for spam or abuse complaints : center@gr.twcu.ac.jp
country: JP
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
mnt-irt: IRT-JPNIC-JP
last-modified: 2024-08-09T04:58:01Z
source: APNIC
irt: IRT-JPNIC-JP
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, japan
e-mail: hostmaster@nic.ad.jp
abuse-mailbox: hostmaster@nic.ad.jp
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
admin-c: JNIC1-AP
tech-c: JNIC1-AP
auth: # Filtered
remarks: hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by: MAINT-JPNIC
last-modified: 2025-09-04T01:00:00Z
source: APNIC
role: Japan Network Information Center
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2022-01-05T03:04:02Z
source: APNIC
% Information related to 'AS150358'
aut-num: AS150358
as-name: TWCU-NET
descr: Tokyo Woman's Christian University
import:
export:
country: JP
admin-c: JP00234934
tech-c: JP00234934
last-modified: 2023-01-13T18:47:26Z
remarks: This information has been partially mirrored by APNIC from
remarks: JPNIC. To obtain more specific information, please use the
remarks: JPNIC WHOIS Gateway at
remarks: http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks: whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks: defaults to Japanese output, use the /e switch for English
remarks: output)
source: JPNIC
% Information related to 'AS149818 - AS150841'
as-block: AS149818 - AS150841
descr: APNIC ASN block
admin-c: IA55-AP
tech-c: IH123-AP
mnt-by: MNT-APJII-ID
mnt-lower: MNT-APJII-ID
last-modified: 2026-02-16T12:32:47Z
source: IDNIC
role: ID-NIC ADMINISTRATORS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
admin-c: IH288-AP
tech-c: IH288-AP
nic-hdl: IA55-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2026-02-25T04:06:45Z
source: IDNIC
role: ID-NIC HOSTMASTERS
address: Indonesian Network Information Center
address: ID-NIC
address: Cyber Building 11th Floor
address: Jakarta 12710
country: ID
phone: +62-21-52960634
fax-no: +62-21-52960635
e-mail: hostmaster@idnic.net
remarks: spam and abuse report : abuse@apjii.or.id
remarks: technical and routing : support@apjii.or.id
remarks: administrative request : admin@apjii.or.id
remarks: IDNIC hostmasters role object
admin-c: IH1-AP
tech-c: IH1-AP
nic-hdl: IH123-AP
notify: hostmaster@idnic.net
mnt-by: MNT-APJII-ID
last-modified: 2024-07-10T05:48:59Z
source: IDNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)