AS4837 CHINA UNICOM China169 Backbone

Spam statistics of AS4837 CHINA UNICOM China169 Backbone

CountryNumber of networksIP AddressesPurpose of use
China5981 267 909Public, Paid VPN, Hosting, good_bots
DomainDetected IP addressesSpam active IPsSpam rate
-985 717176 74217.93%
Websites countIP addresses with websites
1 501 181335 148

Spam activity log

- spam active IP adresses

Overview of AS4837


Owner of AS4837


AS4837, also known as China Unicom Backbone, is owned by China United Network Communications Group Co., Ltd., commonly known as China Unicom. China Unicom is one of the major telecommunications operators in China.



Main Operational Activity of China Unicom


China Unicom's main operational activity involves providing a wide range of telecommunication services. These services include cellular voice and data services, fixed-line voice and broadband, international communications services, and data communications services among others.



Establishment of AS4837


The Autonomous System (AS) number 4837 is allocated to China Unicom and has been operational to serve their networking requirements. The specific date of establishment for AS4837 is not publicly disclosed, but China Unicom has been a significant player in the telecommunications field since its founding in 1994.



Malicious Use of AS4837


Like many large networks, AS4837 may occasionally be reported for having instances of malicious activities such as hacking or spamming. However, whether these activities are widespread and how they are dealt with by the network owner can vary. According to CleanTalk.org, a database that tracks and reports on spam and hacker activity, there might be individual cases where AS4837 has been flagged for such malicious intent.



Additional Details from CleanTalk.org


CleanTalk.org provides a blacklist check service that monitors IP addresses for spamming activity. As per their records, it is possible to find if any IP within the AS4837 network has been used for spamming or other malicious activities. To get the most accurate and up-to-date information regarding AS4837 and potential security issues associated with it, visiting the CleanTalk.org website directly would provide the latest details.


Whois AS4837

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SPAM active IP addresses in AS4837 CHINA UNICOM China169 Backbone

#Sender IPDetectedLast seenReported as spam
11.28.209.2352024-07-04 21:50:452025-08-18 05:57:507
21.28.216.2412017-01-16 00:48:462025-08-20 09:08:2348
31.62.11.412017-11-17 21:58:252025-08-18 06:13:543
41.62.171.1132023-11-13 02:21:582025-08-14 06:29:5262
514.205.94.602024-01-05 19:46:232025-08-16 09:15:4713
614.205.94.612024-02-19 07:55:292025-08-21 23:23:5710
714.205.94.622024-02-04 22:41:282025-08-12 00:24:2520
814.205.94.632024-01-11 20:27:282025-08-16 14:44:3413
914.205.94.1252023-06-18 16:10:492025-08-16 20:25:0012
1014.205.94.1262023-06-05 18:55:202025-08-24 11:09:0615
1114.205.134.1112018-03-04 14:23:562025-08-17 12:05:194
1227.223.78.1632018-01-06 06:46:192025-08-19 10:17:2821
1336.249.132.2252014-07-24 22:17:102025-08-22 09:41:394
1436.251.129.2182017-11-21 15:15:172025-08-17 07:27:29423
1539.70.30.562016-12-28 16:47:222025-08-23 16:58:1126
1639.73.138.1052020-01-14 00:53:452025-08-24 12:08:1428
1742.48.46.1752024-03-29 19:08:002025-08-24 10:44:495
1842.48.46.2282024-04-30 02:10:362025-08-15 01:37:1013
1942.49.177.1992018-11-25 11:42:512025-08-24 06:34:3714
2042.51.38.2412021-02-02 06:30:162025-08-17 00:29:5254
2142.56.239.1952022-09-09 13:00:102025-08-15 07:01:5617
2242.180.0.582021-10-16 19:24:352025-08-23 16:54:5497
2342.224.229.972018-01-23 14:39:512025-08-13 13:15:175
2442.228.112.1422018-01-12 09:24:202025-08-15 02:17:209
2542.228.231.792018-03-10 12:39:062025-08-15 09:44:506
2642.231.18.1252024-03-16 10:21:382025-08-22 16:30:2619
2742.231.18.1312024-03-14 03:10:552025-08-21 21:45:0627
2842.231.21.642023-09-20 21:21:002025-08-19 10:47:583
2942.231.21.1022024-01-24 03:22:192025-08-17 21:36:243
3042.231.23.1062023-11-09 15:35:242025-08-23 00:16:4512

Detected networks prefixes

#Network prefixCountryLengthDetected IP addressesSpam active IP addressesSpam rate
1113.0.0.0/8China16777216640816762320.00%
2157.0.0.0/8China1677721662093882200.00%
3112.224.0.0/11China20971523527068900.00%
427.192.0.0/11China20971521897755550.00%
536.248.0.0/14China2621441615355062.00%
639.64.0.0/11China20971521630454540.00%
7175.160.0.0/12China10485763115143620.00%
8115.48.0.0/12China10485762830042350.00%
9113.224.0.0/12China10485762694940640.00%
10110.240.0.0/12China10485762359039880.00%
11119.176.0.0/12China10485762574739120.00%
1242.224.0.0/12China10485762701437250.00%
13112.80.0.0/13China5242882411637001.00%
14119.48.0.0/13China5242881622335561.00%
15175.44.0.0/16China655361143234235.00%
16153.0.0.0/8China167772168374332660.00%
17123.8.0.0/13China5242881549731411.00%
18120.0.0.0/12China10485762129030900.00%
19175.16.0.0/13China5242881740430081.00%
20119.112.0.0/13China5242881543227471.00%
211.56.0.0/13China5242881081526731.00%
22122.136.0.0/13China5242881308025690.00%
23113.194.0.0/15China1310721172524582.00%
24182.112.0.0/12China10485762277223540.00%
25101.16.0.0/12China10485762558822580.00%
26113.0.0.0/13China5242881485322450.00%
27124.128.0.0/13China5242881199921750.00%
28175.152.0.0/14China2621441169721411.00%
29112.192.0.0/14China2621441507121371.00%
30112.111.0.0/16China65536825421193.00%

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