ASN Lookup Tool

China Unicom chinaunicom.com CN CN 2171 Routes

AS Data

AS4837

AS4837 – China Unicom

AS Number 4837
AS Name CHINA169-Backbone
Organization China Unicom
Country CN
Website chinaunicom.com
Number of IPv4 Routes 1514
Number of IPv6 Routes 652
ASN type ISP
Registry APNIC
Date Allocated 2001-09-17

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IP Ranges

Route # IPs
222.132.109.0/24 256
123.132.239.0/24 256
2408:8001:8001::/48 ~1×10²⁴
43.251.36.0/22 1024
61.54.22.0/24 256
221.13.137.0/24 256
2408:844d::/32 ~79×10²⁷
2408:877a::/32 ~79×10²⁷
219.158.59.0/24 256
60.6.40.0/24 256
101.50.8.0/21 2048
2402:18a0::/32 ~79×10²⁷
211.91.224.0/20 4096
116.113.84.0/24 256
112.81.16.0/24 256
116.255.128.0/17 32768
103.227.228.0/22 1024
2408:826f::/32 ~79×10²⁷
124.163.7.0/24 256
2408:821b::/32 ~79×10²⁷
222.136.99.0/24 256
58.17.243.0/24 256
45.250.32.0/22 1024
2408:8001:4010::/48 ~1×10²⁴
221.199.178.0/24 256
2405:1480:3000::/47 ~2×10²⁴
123.235.1.0/24 256
221.207.64.0/18 16384
220.197.224.0/21 2048
61.167.0.0/16 65536
123.15.5.0/24 256
58.21.0.0/16 65536
2408:8000:d201::/48 ~1×10²⁴
2408:8249::/32 ~79×10²⁷
2408:826e::/32 ~79×10²⁷
218.58.0.0/15 131072
2408:8000:3317::/48 ~1×10²⁴
220.197.0.0/17 32768
202.96.64.0/19 8192
2408:8000:b000::/36 ~5×10²⁷
110.17.168.0/24 256
2408:8000:3410::/48 ~1×10²⁴
61.54.225.0/24 256
103.240.84.0/22 1024
221.7.189.0/24 256
60.11.254.0/24 256
211.93.212.0/23 512
45.113.24.0/22 1024
113.49.0.0/20 4096
2408:863c:7ef0::/48 ~1×10²⁴
60.28.3.0/24 256
60.222.6.0/24 256
61.49.173.0/24 256
123.15.4.0/24 256
2408:8440::/32 ~79×10²⁷
2408:8001:8002::/48 ~1×10²⁴
202.99.104.0/24 256
2408:8001:3082::/48 ~1×10²⁴
2408:8740:5fc0::/48 ~1×10²⁴
60.23.240.0/20 4096

Raw Whois Response

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

% Information related to 'AS4608 - AS4865'

as-block:       AS4608 - AS4865
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:  2019-05-20T03:52:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS4837'

% Abuse contact for 'AS4837' is 'hqs-ipabuse@chinaunicom.cn'

aut-num:        AS4837
as-name:        CHINA169-Backbone
descr:          CHINA UNICOM China169 Backbone
country:        CN
member-of:      AS4837:AS-CNCGROUP
import:         from AS701 action pref=100; accept ANY
import:         from AS1239 action pref=100; accept ANY
import:         from AS4808 action pref=100; accept AS4808
import:         from AS4814 action pref=100; accept AS4814
import:         from AS17816 action pref=100; accept AS17816
import:         from AS-ANY   accept ANY
export:         to AS701 announce AS4837
export:         to AS1239 announce AS4837
export:         to AS4808 announce AS4837
export:         to AS4814 announce AS4837
export:         to AS17816 announce AS4837
export:         to AS-ANY   announce AS4837:AS-CNCGROUP
admin-c:        CH444-AP
tech-c:         CH444-AP
abuse-c:        AC1718-AP
mnt-routes:     MAINT-CNCGROUP-RR
mnt-by:         MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2024-02-06T04:05:55Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         hqs-ipabuse@chinaunicom.cn
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-08-19T00:57:22Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-20T03:22:23Z
source:         APNIC

person:         CNCGroup Hostmaster
nic-hdl:        CH444-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Financial Street
address:        Beijing,100033,P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CN-CUCGROUP
last-modified:  2017-09-05T06:36:14Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS5511 Orange S.A. FR
AS45062 Guangzhou NetEasy Computer System Co., Ltd. ZZ
AS286 GTT Communications Inc. US
AS133847 Anpple Tech Enterprise MY
AS31133 PJSC MegaFon RU
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS138421 China Unicom CN
AS56655 Gigahost AS NO
AS37468 Angola Cables AO
AS146822 Shenzhenshi Zhongyun Shujujishu Youxiangongsi CN
AS216211 CYBERVERSE LLC US
AS2497 Internet Initiative Japan Inc. JP
AS3303 Swisscom Schweiz AG CH
AS45629 JasTel Network Company Limited TH
AS137795 Hangzhou Sulian Information Technology Co.,ltd CN
AS56012 LGNET China CN
AS10099 China Unicom Hong Kong Operations Limited HK
AS58453 China Mobile International Limited HK
AS32590 Valve Corporation US
AS4538 Tsinghua University CN
AS9808 China Mobile Communications Group Co., Ltd CN
AS140717 China Unicom CN
AS559 SWITCH CH
AS45106 JIANGSU BROADCASTING DATA NETWORK CORPORATION LIMITED CN
AS1031 PEER 1031 LLC US
AS133118 China Unicom CN
AS15412 Global Cloud Xchange GB
AS1299 Arelion Sweden AB SE
AS999 CORIX NETWORKS US
AS136959 China Unicom CN
AS140726 China Unicom CN
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS17816 China Unicom IP network China169 Guangdong province CN
AS136958 China Unicom CN
AS399606 Imaging Bay, Inc. US
AS20495 wd6.NET BV Autonomous System NL
AS54600 PEG TECH INC US
AS132513 Sky Telecom State Company LA
AS7497 CNIC CAS CN
AS152672 Aiyun HK Network HK
AS23851 CHONGQING CNC BROADBAND NETWORKS CO.,LTD CN
AS37963 Hangzhou Alibaba Advertising Co.,Ltd. CN
AS24940 Hetzner Online GmbH DE
AS63718 Hangzhou YouYun Technology Co., Ltd. CN
AS140886 China Unicom CN
AS4766 Korea Telecom KR
AS24139 Huashu media&Network Limited CN
AS41327 Fiber Telecom S.p.A. IT
AS62255 BiMajLink d.o.o. SI
AS45899 VNPT Corp VN
AS21856 Nokia of America Corporation US
AS6327 Shaw Communications CA
AS17676 SoftBank Corp. JP
AS61884 OLLA COMUNICACAO LTDA BR
AS40065 CNSERVERS LLC US
AS152120 China Unicom CN
AS139007 China Unicom CN
AS137788 Shanxi Beacon Cloudscape CN
AS9293 NTT Com Asia Limited HK
AS702 Verizon Business US

Upstreams

AS Number Description Country
AS5511 Orange S.A. FR
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS702 Verizon Business US
AS7195 EDGEUNO S.A.S CO
AS6939 Hurricane Electric LLC US
AS6830 Liberty Global Europe Holding B.V. NL
AS286 GTT Communications Inc. US
AS31133 PJSC MegaFon RU
AS4230 CLARO S.A. BR
AS56655 Gigahost AS NO
AS37468 Angola Cables AO
AS2497 Internet Initiative Japan Inc. JP
AS3303 Swisscom Schweiz AG CH
AS4637 Telstra International Limited HK
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN
AS6461 Zayo Bandwidth US
AS10099 China Unicom Hong Kong Operations Limited HK
AS58453 China Mobile International Limited HK
AS8220 COLT Technology Services Group Limited GB
AS30781 Free Pro SAS FR
AS9808 China Mobile Communications Group Co., Ltd CN
AS12779 IT.Gate S.p.A. IT
AS1031 PEER 1031 LLC US
AS15412 Global Cloud Xchange GB
AS1299 Arelion Sweden AB SE
AS20485 Joint Stock Company TransTeleCom RU
AS3257 GTT Communications Inc. US
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS9929 CHINA UNICOM Industrial Internet Backbone CN
AS39686 Eurofiber Nederland BV NL
AS137897 PAN LIAN TECHNOLOGY CO., LIMITED HK
AS3320 Deutsche Telekom AG DE
AS42708 Glesys AB SE
AS28917 Fiord Networks, UAB LT
AS2914 NTT America, Inc. US
AS4809 China Telecom Next Generation Carrier Network CN
AS33891 Core Backbone GmbH DE
AS8529 Zain Omantel International FZ LLC AE
AS2516 KDDI CORPORATION ZZ
AS1273 IDDQD AS ZZ
AS45474 Nexusguard Pte. Ltd. SG
AS1257 Tele2 Sverige AB SE
AS12389 PJSC Rostelecom RU
AS12956 TELXIUS Cable ES
AS4766 Korea Telecom KR
AS29075 IELO LIAZO SERVICES SAS FR
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS5405 Inter.link GmbH DE
AS174 Cogent Communications, LLC US
AS41327 Fiber Telecom S.p.A. IT
AS8455 atom86 BV NL
AS6327 Shaw Communications CA
AS17676 SoftBank Corp. JP
AS20562 Broadband Hosting B.V. NL
AS9009 M247 Europe SRL RO
AS3356 Level 3 Parent, LLC US
AS701 Verizon Business US

Downstreams

AS Number Description Country
AS17623 China Unicom Shenzen network CN
AS45062 Guangzhou NetEasy Computer System Co., Ltd. ZZ
AS24137 KuanggongLu, Pingdingshan, Henan, China CN
AS133847 Anpple Tech Enterprise MY
AS134543 China Unicom CN
AS139021 West263 International Limited HK
AS138421 China Unicom CN
AS216211 CYBERVERSE LLC US
AS146822 Shenzhenshi Zhongyun Shujujishu Youxiangongsi CN
AS2497 Internet Initiative Japan Inc. JP

Legacy Routes

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Frequently Asked Questions

ASN AS4837 is an Autonomous System Number used to identify a network for BGP internet routing.
AS4837 is listed under China Unicom.
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.