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AS17775 shanghai science and technology network communication limited company

China STN-CN APNIC 78 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
37,888
IPv6 /48 networks
1
RPKI
79 valid0 no ROA
Peers and downstreams
0

Holder

AS name
STN-CN
Description
shanghai science and technology network communication limited company
Organisation
shanghai science and technology network communication limited company
Abuse contact
Not published
Assigned
2001-05-31
Registered
2012-07-26
Record last changed
2023-11-28 00:58 UTC
122.144.128.0/20122.144.141.0/24122.144.144.0/23122.144.145.0/24122.144.147.0/24122.144.152.0/23122.144.156.0/23122.144.161.0/24122.144.164.0/22122.144.165.0/24122.144.168.0/22122.144.169.0/24122.144.172.0/23122.144.178.0/23122.144.180.0/22122.144.192.0/21122.144.192.0/22122.144.192.0/24122.144.194.0/24122.144.200.0/22122.144.206.0/23122.144.208.0/23122.144.211.0/24122.144.212.0/23122.144.214.0/23122.144.216.0/22122.144.220.0/23122.144.222.0/23122.144.232.0/22122.144.236.0/23122.144.240.0/24122.144.248.0/23125.215.36.0/23125.215.36.0/24125.215.37.0/24125.215.40.0/24125.215.44.0/23125.215.44.0/24125.215.48.0/24125.215.52.0/23125.215.52.0/24125.215.53.0/24125.215.54.0/24203.95.0.0/23203.95.1.0/24203.95.2.0/24203.95.4.0/22210.14.64.0/21210.14.65.0/24210.14.67.0/24210.14.72.0/21210.14.80.0/22210.14.84.0/24210.14.90.0/23210.14.92.0/22210.73.204.0/24211.144.100.0/22211.144.100.0/23211.144.100.0/24211.144.102.0/23211.144.104.0/22211.144.104.0/23211.144.106.0/23211.144.108.0/23211.144.108.0/24211.144.110.0/24211.144.112.0/24211.144.114.0/23211.144.115.0/24211.144.118.0/23211.144.118.0/24211.144.119.0/24211.144.120.0/21211.144.120.0/22211.144.124.0/22211.144.96.0/23211.144.96.0/24211.144.97.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths
AS4134 No.31,Jin-rong Street AS4134 · CN No.31,Jin-rong Street AS4809 China Telecom Next Generation Carrier Network AS4809 · CN China Telecom Next Ge… AS4837 CHINA UNICOM China169 Backbone AS4837 · CN CHINA UNICOM China169… AS9929 CHINA UNICOM Industrial Internet Backbone AS9929 · CN CHINA UNICOM Industri… AS9808 China Mobile Communications Group Co., Ltd. AS9808 · CN China Mobile Communic… AS4812 China Telecom (Group) AS4812 · CN China Telecom (Group) AS17621 China Unicom Shanghai network AS17621 · CN China Unicom Shanghai… AS24400 Shanghai Mobile Communications Co.,Ltd. AS24400 · CN Shanghai Mobile Commu… AS17775 shanghai science and technology network communication limited company AS17775 · CN shanghai science and …

Network health

Grade A · 90/100
pass Prefixes covered by valid ROAs
79 of 79 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
1 IPv6 prefix.		 15/15
pass More than one upstream
3 upstreams seen in BGP.		 10/10
pass Working abuse contact
lijie@stnc.cn is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
pass Registry record maintained
Last changed 2023-11-28.		 5/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS17775 health AS17775 RPKI
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Routing changes

Last 30 days
2026-10-04 11:19 UTCPrefix gone 211.144.114.0/24
2026-10-04 11:19 UTCNew prefix 210.14.65.0/24

WHOIS

aut-num:        AS17775
as-name:        STN-CN
handle:         AS17775
remarks:        shanghai science and technology network communication limited company
technical,administrative:AL370-AP (An liqun) <hostmaster@stnc.com.cn>
abuse:          IRT-STN-CN-CN (IRT-STN-CN-CN) <lijie@stnc.cn>
registration:   2012-07-26T08:07:46Z
last changed:   2023-11-28T00:58:29Z
source:         APNIC (RDAP)