202.205.232.0/24

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	202.200.0.0/13
Registry	APNIC
ID	BJR-CERNET

WHOIS Details

inetnum:        202.204.0.0 - 202.207.255.255
netname:        BJR-CERNET
descr:          China Education and Research Network
descr:          Beijing Regional Network
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:  2020-09-03T09:16:26Z
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:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn 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:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
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:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
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 202.205.232.0/24

Range	ASN	Company	Num of IPs
202.200.0.0/13	AS4538	China Education and Research Network	524,288
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576

Nearby Ranges

BGP prefixes that overlap with 202.205.0.0/16

Range	ASN	Company	Num of IPs
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576
202.200.0.0/13	AS4538	China Education and Research Network	524,288
202.205.160.0/20	AS4538	China Education and Research Network	4,096
202.205.64.0/20	AS4538	China Education and Research Network	4,096
202.205.80.0/20	AS4538	China Education and Research Network	4,096
202.205.16.0/20	AS24348	China Education and Research Network	4,096
202.205.176.0/20	AS4538	China Education and Research Network	4,096
202.205.16.0/20	AS4538	China Education and Research Network	4,096
202.205.112.0/20	AS4538	China Education and Research Network	4,096
202.205.208.0/20	AS4538	China Education and Research Network	4,096
202.205.96.0/21	AS4538	China Education and Research Network	2,048
202.205.104.0/22	AS4538	China Education and Research Network	1,024
202.205.224.0/22	AS4538	China Education and Research Network	1,024
202.205.144.0/22	AS4538	China Education and Research Network	1,024
202.205.158.0/23	AS4538	China Education and Research Network	512
202.205.252.0/23	AS4538	China Education and Research Network	512
202.205.117.0/24	AS4538	China Education and Research Network	256
202.205.149.0/24	AS4538	China Education and Research Network	256
202.205.131.0/24	AS4538	China Education and Research Network	256
202.205.151.0/24	AS4538	China Education and Research Network	256
202.205.148.0/24	AS4538	China Education and Research Network	256
202.205.127.0/24	AS4538	China Education and Research Network	256
202.205.108.0/24	AS4538	China Education and Research Network	256
202.205.112.0/24	AS4538	China Education and Research Network	256
202.205.130.0/24	AS4538	China Education and Research Network	256
202.205.68.0/24	AS4538	China Education and Research Network	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
95.99.110.184	AS50266 Odido Netherlands B.V.	3.62ms from Amsterdam, NL
23.13.54.168	AS16625 Akamai Technologies, Inc.	3.53ms from Arezzo, IT
176.179.81.232	AS5410 Bouygues Telecom SA	1.75ms from Paris, FR
76.22.45.200	AS7922 Comcast Cable Communications, LLC	5.47ms from Seattle, US
120.96.252.40	AS1659 Taiwan Academic Network (TANet) Information Center	2.44ms from Taipei, TW
46.232.61.24	AS49304 SAKURA LINK LIMITED	0.37ms from Hong Kong, HK
46.104.94.184	AS20978 TT Mobil Iletisim Hizmetleri A.S	13.49ms from Istanbul, TR
23.241.202.72	AS20001 Charter Communications Inc	6.43ms from Los Angeles, US
210.44.50.184	AS4538 China Education and Research Network Center	15.11ms from Qingdao, CN
61.52.54.56	AS4837 CHINA UNICOM China169 Backbone	1.25ms from Zhengzhou, CN
143.116.186.248	AS23154 Sanmina-SCI Corporation	6.83ms from Chicago, US
91.13.91.8	AS3320 Deutsche Telekom AG	6.09ms from Frankfurt am Main, DE
38.181.61.88	AS8796 FASTNET DATA INC	0.30ms from Los Angeles, US
83.136.234.200	AS47156 Malnet LTD.	1.34ms from Moscow, RU
213.139.60.56	AS8697 Jordan Telecommunications PSC	0.94ms from Amman, JO
109.132.213.104	AS5432 Proximus NV	5.12ms from Amsterdam, NL
113.219.133.88	AS63838 Hengyang	4.39ms from Chenzhou, CN
116.107.127.8	AS7552 Viettel Group	2.54ms from Hanoi, VN
177.95.73.88	AS27699 TELEFÔNICA BRASIL S.A	6.88ms from Sao Paulo, BR
13.54.74.232	AS16509 Amazon.com, Inc.	0.12ms from Sydney, AU
183.189.98.8	AS4837 CHINA UNICOM China169 Backbone	7.95ms from Taiyuan, CN
41.211.31.40	AS35091 Teledata, Ghana	0.50ms from Accra, GH
45.188.64.56	AS269522 MAISCONNECT TELECOM	4.18ms from Campina Grande, BR
91.125.51.216	AS6871 Plusnet	5.55ms from London, GB
185.84.163.216	AS57494 Adman LLC	0.77ms from Novosibirsk, RU

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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