37942 SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street, CN
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS4847 CNIX-AP China Networks Inter-Exchange, CN
AS4808 CHINA169-BJ China Unicom Beijing Province Network, CN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 18183 AS37942 ORIGIN Originate: 3840 /20.09 Transit: 0 /0.00 SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street, 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 % 4860 AS37942 SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoy 15 12 2 5 10 66.67% Prefix AS Path Aggregation Suggestion 202.41.241.0/24 4777 2497 4134 4847 37942 202.41.242.0/24 4777 2497 4134 4847 37942 202.41.243.0/24 4777 2516 4837 4808 37942 202.41.244.0/22 4777 2497 4134 4847 37942 + Announce - aggregate of 202.41.244.0/23 (4777 2497 4134 4847 37942) and 202.41.246.0/23 (4777 2497 4134 4847 37942) 202.41.244.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.245.0/24 (4777 2497 4134 4847 37942) 202.41.245.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.244.0/24 (4777 2497 4134 4847 37942) 202.41.246.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.247.0/24 (4777 2497 4134 4847 37942) 202.41.247.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.246.0/24 (4777 2497 4134 4847 37942) 202.41.248.0/21 4777 2497 4134 4847 37942 + Announce - aggregate of 202.41.248.0/22 (4777 2497 4134 4847 37942) and 202.41.252.0/22 (4777 2497 4134 4847 37942) 202.41.248.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.249.0/24 (4777 2497 4134 4847 37942) 202.41.249.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.248.0/24 (4777 2497 4134 4847 37942) 202.41.250.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.251.0/24 (4777 2497 4134 4847 37942) 202.41.251.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.250.0/24 (4777 2497 4134 4847 37942) 202.41.252.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.253.0/24 (4777 2497 4134 4847 37942) 202.41.253.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.252.0/24 (4777 2497 4134 4847 37942) 202.41.254.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.255.0/24 (4777 2497 4134 4847 37942) 202.41.255.0/24 4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.254.0/24 (4777 2497 4134 4847 37942)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS37942 15 More Specifics 15 Total Advertisements SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street, CN
202.41.241.0/24 202.41.240.0/20
202.41.242.0/24 202.41.240.0/20
202.41.243.0/24 202.41.240.0/20
202.41.244.0/24 202.41.240.0/20
202.41.245.0/24 202.41.240.0/20
202.41.246.0/24 202.41.240.0/20
202.41.247.0/24 202.41.240.0/20
202.41.248.0/24 202.41.240.0/20
202.41.249.0/24 202.41.240.0/20
202.41.250.0/24 202.41.240.0/20
202.41.251.0/24 202.41.240.0/20
202.41.252.0/24 202.41.240.0/20
202.41.253.0/24 202.41.240.0/20
202.41.254.0/24 202.41.240.0/20
202.41.255.0/24 202.41.240.0/20
whois: 402332
IANA has recorded AS37942 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS37942\n % [whois.apnic.net]
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% Information related to 'AS37888 - AS38911'
as-block: AS37888 - AS38911
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: 2009-09-29T06:04:16Z
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 'AS37936 - AS37943'
as-block: AS37936 - AS37943
descr: CNNIC ASN block
country: CN
remarks: These AS numbers are further assigned by CNNIC
remarks: to CNNIC members and end-users in China
admin-c: IPAS1-AP
tech-c: IPAS1-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-CNNIC-AP
last-modified: 2023-10-09T03:57:39Z
source: APNIC
role: CNNIC IPAS CONFEDERATION
address: No.4, Zhongguancun No.4 South Street,
address: Haidian District, Beijing
country: CN
phone: +86-010-58813000
fax-no: +86-010-58813075
e-mail: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
nic-hdl: IPAS1-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-09-12T07:40:01Z
source: APNIC
% Information related to 'AS37942'
% Abuse contact for 'AS37942' is '172269004@qq.com'
aut-num: AS37942
as-name: SACHNET
descr: 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street,
descr: East Road of the North Four Ring, Beijing, China
admin-c: ZK92-AP
tech-c: ZX572-AP
abuse-c: AC1601-AP
country: CN
mnt-by: MAINT-CNNIC-AP
mnt-lower: MAINT-CNNIC-AP
mnt-routes: MAINT-CNNIC-AP
mnt-irt: IRT-SACHNET-CN
last-modified: 2021-11-03T07:35:42Z
source: APNIC
irt: IRT-SACHNET-CN
address: 3rd Floor, Wenbo Building,No.A2 Gaoyuan Street,
address: East Road of the North Four Ring, Beijing, China
e-mail: 172269004@qq.com
abuse-mailbox: 172269004@qq.com
admin-c: ZK92-AP
tech-c: ZX572-AP
auth: # Filtered
mnt-by: MAINT-CNNIC-AP
last-modified: 2025-11-18T00:35:25Z
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: Zhu Kongqiang
nic-hdl: ZK92-AP
e-mail: qiufang@sach.gov.cn
address: 3rd Floor, Wenbo Building,No.A2 Gaoyuan Street,
address: East Road of the North Four Ring, Beijing, China, 100029
phone: +86-010-84636599
fax-no: +86-010-84637539
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2008-09-04T07:29:24Z
source: APNIC
person: Zhang Xuewen
nic-hdl: ZX572-AP
e-mail: vison@sach.gov.cn
address: 3rd Floor, Wenbo Building,No.A2 Gaoyuan Street,
address: East Road of the North Four Ring, Beijing, China, 100029
phone: +86-010-84636599-637
fax-no: +86-010-84637539
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2008-09-04T07:29:24Z
source: APNIC
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