ASN Lookup Tool

China Unicom Shanghai network chinaunicom.cn CN CN 662 Routes

AS Data

AS17621

AS17621China Unicom Shanghai network

AS Number 17621
AS Name CNCGROUP-SH
Organization China Unicom Shanghai network()
Country CN
Website chinaunicom.cn
Number of IPv4 Routes 262
Number of IPv6 Routes 400
ASN type ISP
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS17621 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
116.66.48.0/24 256
223.167.96.0/19 8192
140.207.198.0/24 256
2408:820e::/32 ~79×10²⁷
2408:840c:a900::/40 ~309×10²⁴
43.254.224.0/22 1024
140.207.203.0/24 256
2408:840d:8220::/43 ~39×10²⁴
2408:840d:7500::/43 ~39×10²⁴
175.102.22.0/24 256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17408 - AS17651'

as-block:       AS17408 - AS17651
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:  2019-01-08T23:22:27Z
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 'AS17621'

% Abuse contact for 'AS17621' is 'zhaoyz3@chinaunicom.cn'

aut-num:        AS17621
as-name:        CNCGROUP-SH
descr:          China Unicom Shanghai network
country:        CN
import:         from AS4837 action pref=100; accept ANY
import:         from AS9929 action pref=100; accept ANY
export:         to AS4837 announce AS17621
export:         to AS9929 announce AS17621
admin-c:        CH1302-AP
tech-c:         CH1302-AP
abuse-c:        AC1718-AP
mnt-lower:      MAINT-CNCGROUP
mnt-routes:     MAINT-CNCGROUP-RR
mnt-by:         APNIC-HM
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:42:06Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
mnt-by:         MAINT-CNCGROUP
last-modified:  2025-11-18T00:26:20Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-17T02:26:56Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS23853 Shanghai Data Solution Co., Ltd. CN
AS10212 China Enterprise ICT Solutions Limited CN
AS4837 China Unicom Backbone CN
AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd CN
AS63570 APNIC ASN block CN
AS17775 shanghai science and technology network communication limited company CN
AS9929 China Netcom Backbone CN
AS56006 Shanghai Pudong Development Bank Co.,Ltd. CN
AS137759 MTS SYSTEM China Co.,Ltd CN
AS45073 NULL ORG AU

Upstreams

AS Number Description Country
AS9929 CHINA UNICOM Industrial Internet Backbone CN
AS4837 CHINA UNICOM China169 Backbone CN

Downstreams

AS Number Description Country
AS10100 UBS Group AG CH
AS23853 Shanghai Data Solution Co., Ltd. CN
AS10212 China Enterprise ICT Solutions Limited CN
AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd CN
AS58593 Shanghai Blue Cloud Technology Co.,Ltd CN
AS17775 shanghai science and technology network communication limited company CN
AS137758 Industrial and Commercial Bank of China Limited,ICBC CN
AS56013 SAMSUNG SDS CHINA CN
AS45079 GDS CHANGAN SERVICES Ltd. CN
AS59083 Shanghai Kuanhui Tech. Co.,ltd CN

Contacts

Legacy Routes

120.133.237.0/24 110.43.144.0/21 103.202.120.0/22 101.52.216.0/22 103.200.224.0/24 202.90.96.0/22 101.52.248.0/22 103.202.92.0/22 120.92.232.0/23 103.200.223.0/24 110.43.128.0/21 120.133.236.0/24 103.36.173.0/24 202.90.104.0/22 113.21.237.0/24 103.24.118.0/23 175.102.18.0/24 203.76.208.0/22 103.200.222.0/24 103.36.139.0/24 120.133.224.0/22 155.126.176.0/23 218.96.128.0/24 103.202.104.0/22 103.202.136.0/22 113.21.239.0/24 175.102.17.0/24 113.21.236.0/24 120.133.238.0/24 120.92.144.0/21 202.89.96.0/24 120.92.230.0/23 120.136.187.0/24 175.102.132.0/24 103.5.194.0/24 182.175.243.0/24 103.36.138.0/24 120.92.236.0/23 120.92.128.0/21 120.92.160.0/21 103.61.189.0/24 150.242.238.0/23 120.92.176.0/21 101.52.212.0/22 123.49.193.0/24 103.202.124.0/22 202.47.109.0/24 202.47.106.0/24 203.76.212.0/22 113.31.112.0/20 202.90.108.0/22 103.202.140.0/22 202.57.196.0/24 120.92.226.0/23 103.202.108.0/22 43.242.96.0/23 113.31.160.0/20 110.43.136.0/21 175.102.135.0/24 202.47.105.0/24 120.92.238.0/23 110.43.152.0/21 120.136.184.0/24 103.234.128.0/24 103.202.112.0/22 113.31.144.0/20 120.133.228.0/22 2403:a100::/48 120.92.224.0/23 103.234.129.0/24 103.202.96.0/22 203.76.216.0/22 120.133.216.0/21 120.136.186.0/24 202.90.100.0/22 113.31.176.0/20 2405:1480:1000::/48 202.57.197.0/24 103.202.144.0/22 175.102.134.0/24 103.238.184.0/24 202.136.208.0/22 202.47.107.0/24 202.47.104.0/24 103.40.175.0/24 103.20.250.0/24 103.36.136.0/24 103.36.168.0/24 120.92.152.0/21 202.47.108.0/24 103.202.128.0/22 123.49.192.0/24 103.36.137.0/24 106.75.208.0/20 120.92.228.0/23 120.133.239.0/24 2403:a200:a1ff::/48 120.92.136.0/21 101.52.252.0/22 202.136.212.0/22 103.200.220.0/24 103.202.100.0/22 120.92.234.0/23 103.36.172.0/24 113.31.96.0/20 103.24.116.0/24 175.102.19.0/24 113.21.238.0/24 103.147.124.0/24 103.108.244.0/24 103.20.251.0/24 103.156.68.0/23 175.102.133.0/24 175.102.16.0/24 103.5.192.0/23 101.52.220.0/22 120.92.184.0/23 120.92.168.0/21 182.175.242.0/24 103.202.132.0/22 120.92.184.0/21 120.136.185.0/24

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Frequently Asked Questions

ASN AS17621 is an Autonomous System Number used to identify a network for BGP internet routing.
AS17621 is listed under China Unicom Shanghai network.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.