202.120.146.0/24

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	202.120.128.0/17
Registry	APNIC
ID	CERNET-CN

Pingable IPs

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

IP Address	ASN	Details
202.120.146.71	AS4538 China Education and Research Network Center	3.28ms from Shanghai, 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
188.213.92.24	AS206238 Freedom Internet BV	1.22ms from Amsterdam, NL
20.174.163.40	AS8075 Microsoft Corporation	0.93ms from Dubai, AE
2.96.130.184	AS13285 TalkTalk Communications Limited	2.67ms from Manchester, GB
136.24.137.40	AS19165 Webpass Inc.	1.33ms from Santa Clara, US
208.79.238.152	AS32244 Liquid Web, L.L.C	0.21ms from Lansing, US
82.5.195.40	AS5089 Virgin Media Limited	7.80ms from London, GB
108.220.86.88	AS7018 AT&T Enterprises, LLC	4.99ms from Los Angeles, US
71.194.129.8	AS7922 Comcast Cable Communications, LLC	6.59ms from Chicago, US
75.223.14.40	AS6167 Verizon Business	14.37ms from Los Angeles, US
178.126.145.248	AS6697 Republican Unitary Telecommunication Enterprise Beltelecom	7.63ms from Minsk, BY
136.38.107.216	AS16591 Google Fiber Inc.	0.76ms from Salt Lake City, US
168.199.60.40	AS39855 Mod Mission Critical LLC	1.87ms from Dublin, IE
172.8.171.136	AS7018 AT&T Enterprises, LLC	3.26ms from San Antonio, US
45.190.128.24	AS269660 R.RODRIGUES VASCONCELOS TELECOM EIRELI	10.41ms from Osasco, BR
40.124.55.168	AS8075 Microsoft Corporation	0.17ms from San Antonio, US
42.238.112.40	AS4837 CHINA UNICOM China169 Backbone	9.51ms from Zhengzhou, CN
52.92.18.200	AS16509 Amazon.com, Inc.	0.50ms from Dublin, IE
18.116.67.136	AS16509 Amazon.com, Inc.	0.15ms from Columbus, US
45.148.20.184	AS42692 Overweb Srl	0.12ms from London, GB
75.73.132.232	AS7922 Comcast Cable Communications, LLC	8.67ms from Minneapolis, US
124.221.4.88	AS45090 Shenzhen Tencent Computer Systems Company Limited	0.69ms from Shanghai, CN
27.98.46.216	AS10010 TOKAI Communications Corporation	6.86ms from Tokyo, JP
67.216.156.168	AS22646 Hargray Communications Group, Inc.	6.84ms from Atlanta, US
181.69.200.72	AS27831 Colombia Móvil	17.76ms from Bogota, CO
4.150.156.152	AS8075 Microsoft Corporation	0.24ms from Des Moines, US

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 202.120.146.0/24

Range	ASN	Company	Num of IPs
202.120.128.0/17	AS4538	China Education and Research Network	32,768
202.120.0.0/16	AS24364	China Education and Research Network	65,536
202.120.0.0/16	AS4538	China Education and Research Network	65,536
202.120.0.0/15	AS4538	China Education and Research Network	131,072

Nearby Ranges

BGP prefixes that overlap with 202.120.0.0/16

Range	ASN	Company	Num of IPs
202.120.0.0/15	AS4538	China Education and Research Network	131,072
202.120.0.0/16	AS4538	China Education and Research Network	65,536
202.120.0.0/16	AS24364	China Education and Research Network	65,536
202.120.0.0/17	AS4538	China Education and Research Network	32,768
202.120.128.0/17	AS4538	China Education and Research Network	32,768
202.120.0.0/18	AS24364	China Education and Research Network	16,384
202.120.0.0/18	AS4538	China Education and Research Network	16,384
202.120.224.0/19	AS4538	China Education and Research Network	8,192
202.120.224.0/19	AS24364	China Education and Research Network	8,192
202.120.112.0/20	AS4538	China Education and Research Network	4,096
202.120.208.0/20	AS4538	China Education and Research Network	4,096
202.120.208.0/20	AS24364	China Education and Research Network	4,096
202.120.160.0/20	AS4538	China Education and Research Network	4,096
202.120.128.0/20	AS4538	China Education and Research Network	4,096
202.120.64.0/20	AS4538	China Education and Research Network	4,096
202.120.176.0/20	AS4538	China Education and Research Network	4,096
202.120.192.0/21	AS4538	China Education and Research Network	2,048
202.120.200.0/22	AS4538	China Education and Research Network	1,024
202.120.247.0/24	AS4538	China Education and Research Network	256
202.120.43.0/24	AS4538	China Education and Research Network	256
202.120.40.0/24	AS4538	China Education and Research Network	256
202.120.108.0/24	AS4538	China Education and Research Network	256
202.120.125.0/24	AS4538	China Education and Research Network	256
202.120.188.0/24	AS4538	China Education and Research Network	256
202.120.181.0/24	AS4538	China Education and Research Network	256
202.120.118.0/24	AS4538	China Education and Research Network	256
202.120.126.0/24	AS4538	China Education and Research Network	256
202.120.235.0/24	AS4538	China Education and Research Network	256
202.120.209.0/24	AS4538	China Education and Research Network	256
202.120.19.0/24	AS4538	China Education and Research Network	256
202.120.2.0/24	AS4538	China Education and Research Network	256
202.120.234.0/24	AS4538	China Education and Research Network	256
202.120.58.0/24	AS4538	China Education and Research Network	256
202.120.215.0/24	AS4538	China Education and Research Network	256
202.120.224.0/24	AS4538	China Education and Research Network	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

Hosted domains API

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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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