202.118.160.0/21

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	202.118.0.0/16
Registry	APNIC
ID	CERNET-CN

Pingable IPs

47 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
202.118.163.240	AS4538 China Education and Research Network Center	42.83ms from Qingdao, CN
202.118.166.57	AS4538 China Education and Research Network Center	21.92ms from Beijing, CN
202.118.161.11	AS4538 China Education and Research Network Center	46.33ms from Shanghai, CN
202.118.167.60	AS4538 China Education and Research Network Center	22.61ms from Beijing, CN
202.118.165.66	AS4538 China Education and Research Network Center	22.05ms from Beijing, CN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
34.38.219.85	AS396982 Google LLC	0.14ms from Brussels, BE
47.113.184.37	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	0.20ms from Heyuan, CN
47.76.124.229	AS45102 Alibaba (US) Technology Co., Ltd.	1.01ms from Hong Kong, HK
113.235.216.197	AS4837 CHINA UNICOM China169 Backbone	8.70ms from Liaoyang, CN
45.48.44.149	AS20001 Charter Communications Inc	6.55ms from Los Angeles, US
114.40.147.165	AS3462 Data Communication Business Group	3.96ms from Taichung, TW
211.75.55.5	AS3462 Data Communication Business Group	5.44ms from Taichung, TW
216.191.22.197	AS6461 Zayo Bandwidth	0.31ms from Toronto, CA
125.21.170.85	AS9498 BHARTI Airtel Ltd.	0.63ms from Bengaluru, IN
115.160.180.181	AS9381 HKBN Enterprise Solutions HK Limited	0.61ms from Hong Kong, HK
14.98.188.181	AS45820 Tata Teleservices ISP AS	0.47ms from Hyderabad, IN
170.80.126.5	AS266378 Inter Nitro	19.06ms from Osasco, BR
212.251.205.53	AS2119 Telenor Norge AS	5.45ms from Oslo, NO
122.5.14.245	AS4134 CHINANET-BACKBONE	5.93ms from Qingdao, CN
175.204.116.21	AS4766 Korea Telecom	4.86ms from Seoul, KR
115.144.214.53	AS4766 Korea Telecom	1.05ms from Seoul, KR
59.115.37.5	AS3462 Data Communication Business Group	4.03ms from Taipei, TW
41.236.154.85	AS8452 TE-AS	3.36ms from Cairo, EG
87.62.81.101	AS3292 TDC Holding A/S	0.67ms from Copenhagen, DK
54.74.166.37	AS16509 Amazon.com, Inc.	0.23ms from Dublin, IE
24.24.139.229	AS20001 Charter Communications Inc	4.07ms from Los Angeles, US
61.245.138.37	AS4764 Aussie Broadband	0.88ms from Perth, AU
174.47.23.197	AS3549 Level 3 Parent, LLC	1.86ms from San Jose, US
202.128.100.21	AS45992 Construction Guarantee Cooperative	1.29ms from Seoul, KR
81.218.2.5	AS8551 Bezeq International Ltd.	0.59ms from Tel Aviv, IL

WHOIS Details

inetnum:        202.112.0.0 - 202.121.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          China Education and Research Network Center
descr:          Tsinghua University
descr:          Beijing, 100084
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:29Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-01-22
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
source:         APNIC

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
remarks:        [email protected]
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 202.118.160.0/21

Range	ASN	Company	Num of IPs
202.118.0.0/16	AS24369	China Education and Research Network	65,536
202.118.0.0/16	AS4538	China Education and Research Network	65,536
202.118.0.0/15	AS4538	China Education and Research Network	131,072
202.112.0.0/13	AS4538	China Education and Research Network	524,288

BGP prefixes that are contained by 202.118.160.0/21

Range	ASN	Company	Num of IPs
202.118.164.0/24	AS4538	China Education and Research Network	256

Nearby Ranges

BGP prefixes that overlap with 202.118.0.0/16

Range	ASN	Company	Num of IPs
202.112.0.0/13	AS4538	China Education and Research Network	524,288
202.118.0.0/15	AS4538	China Education and Research Network	131,072
202.118.0.0/16	AS4538	China Education and Research Network	65,536
202.118.0.0/16	AS24369	China Education and Research Network	65,536
202.118.0.0/19	AS4538	China Education and Research Network	8,192
202.118.224.0/19	AS4538	China Education and Research Network	8,192
202.118.128.0/20	AS4538	China Education and Research Network	4,096
202.118.96.0/20	AS4538	China Education and Research Network	4,096
202.118.80.0/20	AS4538	China Education and Research Network	4,096
202.118.176.0/20	AS4538	China Education and Research Network	4,096
202.118.208.0/20	AS4538	China Education and Research Network	4,096
202.118.64.0/20	AS4538	China Education and Research Network	4,096
202.118.48.0/20	AS4538	China Education and Research Network	4,096
202.118.192.0/20	AS4538	China Education and Research Network	4,096
202.118.120.0/21	AS4538	China Education and Research Network	2,048
202.118.32.0/21	AS4538	China Education and Research Network	2,048
202.118.40.0/21	AS4538	China Education and Research Network	2,048
202.118.40.0/21	AS24369	China Education and Research Network	2,048
202.118.116.0/22	AS4538	China Education and Research Network	1,024
202.118.168.0/22	AS4538	China Education and Research Network	1,024
202.118.4.0/22	AS4538	China Education and Research Network	1,024
202.118.252.0/22	AS4538	China Education and Research Network	1,024
202.118.250.0/23	AS4538	China Education and Research Network	512
202.118.2.0/23	AS4538	China Education and Research Network	512
202.118.72.0/24	AS4538	China Education and Research Network	256
202.118.27.0/24	AS4538	China Education and Research Network	256
202.118.238.0/24	AS4538	China Education and Research Network	256
202.118.222.0/24	AS4538	China Education and Research Network	256
202.118.164.0/24	AS4538	China Education and Research Network	256
202.118.198.0/24	AS4538	China Education and Research Network	256
202.118.66.0/24	AS4538	China Education and Research Network	256
202.118.191.0/24	AS4538	China Education and Research Network	256
202.118.190.0/24	AS4538	China Education and Research Network	256
202.118.87.0/24	AS4538	China Education and Research Network	256

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
202.118.166.54	bookgo.org	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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