137719 CERWD Qingdao Weidong Big Data Technology Co., Ltd, CN
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS24444 CMNET-V4SHANDONG-AS-AP Shandong Mobile Communication Company Limited, CN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 52421 AS137719 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 CERWD Qingdao Weidong Big Data Technology Co., Ltd, CN
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 % 55058 AS137719 CERWD Qingdao Weidong Big Data Technology Co. 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 103.154.162.0/23 4777 2497 4837 9808 24444 137719
whois: 402332
IANA has recorded AS137719 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS137719\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS137530 - AS138553'
as-block: AS137530 - AS138553
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: 2017-12-08T06:45:58Z
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 'AS137709 - AS137808'
as-block: AS137709 - AS137808
descr: China Internet Network Information Center
country: CN
remarks: These AS numbers are further assigned by
remarks: CNNIC to CNNIC members and end-users
remarks: in the CNNIC region
admin-c: IP50-AP
tech-c: IP50-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-CNNIC-AP
last-modified: 2018-04-24T05:33:20Z
source: APNIC
person: I P
address: China Internet Information Center(CNNIC)
address: No. 4 of South street, Zhongguancun, Beijing, China
country: CN
phone: +86-10-58813000
fax-no: +86-10-58813075
e-mail: ipas@cnnic.cn
nic-hdl: IP50-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-09-12T07:48:01Z
source: APNIC
% Information related to 'AS137719'
% Abuse contact for 'AS137719' is 'yukun@wdjt.cc'
aut-num: AS137719
as-name: CERWD
descr: Qingdao Weidong Big Data Technology Co., Ltd
descr: 18 / F, world Olympic International Building,
descr: 30 Hong Kong Middle Road, Shinan District, Qingdao
country: CN
admin-c: YW7122-AP
tech-c: YW7122-AP
abuse-c: AC1601-AP
mnt-lower: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CERWD-CN
last-modified: 2023-11-28T00:58:24Z
source: APNIC
irt: IRT-CERWD-CN
address: 18 / F, world Olympic International Building,
address: 30 Hong Kong Middle Road, Shinan District, Qingdao
e-mail: yukun@wdjt.cc
abuse-mailbox: yukun@wdjt.cc
admin-c: YW7122-AP
tech-c: YW7122-AP
auth: # Filtered
mnt-by: MAINT-CNNIC-AP
last-modified: 2025-11-18T00:35:14Z
source: APNIC
role: ABUSE CNNICCN
country: ZZ
address: Beijing, China
phone: +000000000
e-mail: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
nic-hdl: AC1601-AP
remarks: Generated from irt object IRT-CNNIC-CN
remarks: ipas@cnnic.cn is invalid
abuse-mailbox: ipas@cnnic.cn
mnt-by: APNIC-ABUSE
last-modified: 2025-09-19T17:20:32Z
source: APNIC
person: Yu kun
address: 18 / F, world Olympic International Building,
address: 30 Hong Kong Middle Road, Shinan District, Qingdao
country: CN
phone: +86-13793200959
e-mail: yukun@wdjt.cc
nic-hdl: YW7122-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2020-08-13T08:03:33Z
source: APNIC
% Information related to 'AS137530 - AS138553'
as-block: AS137530 - AS138553
descr: APNIC ASN block
admin-c: IA55-AP
tech-c: IH123-AP
mnt-by: MNT-APJII-ID
mnt-lower: MNT-APJII-ID
last-modified: 2026-02-16T12:29:14Z
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 1.88.36-SNAPSHOT (WHOIS-AU5)