222.199.43.0/24

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	222.199.0.0/16
Registry	APNIC
ID	BJR-CERNET

WHOIS Details

inetnum:        222.199.0.0 - 222.199.255.255
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:  2020-09-03T09:16:05Z
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 222.199.43.0/24

Range	ASN	Company	Num of IPs
222.199.0.0/16	AS4538	China Education and Research Network	65,536
222.192.0.0/12	AS4538	China Education and Research Network	1,048,576

Nearby Ranges

BGP prefixes that overlap with 222.199.0.0/16

Range	ASN	Company	Num of IPs
222.192.0.0/12	AS4538	China Education and Research Network	1,048,576
222.199.0.0/16	AS4538	China Education and Research Network	65,536
222.199.224.0/19	AS4538	China Education and Research Network	8,192
222.199.192.0/19	AS4538	China Education and Research Network	8,192
222.199.64.0/20	AS4538	China Education and Research Network	4,096
222.199.176.0/20	AS4538	China Education and Research Network	4,096
222.199.128.0/20	AS4538	China Education and Research Network	4,096
222.199.112.0/20	AS4538	China Education and Research Network	4,096
222.199.184.0/22	AS4538	China Education and Research Network	1,024
222.199.96.0/22	AS4538	China Education and Research Network	1,024
222.199.12.0/22	AS4538	China Education and Research Network	1,024
222.199.32.0/22	AS4538	China Education and Research Network	1,024
222.199.88.0/22	AS4538	China Education and Research Network	1,024
222.199.0.0/22	AS4538	China Education and Research Network	1,024
222.199.24.0/22	AS4538	China Education and Research Network	1,024
222.199.36.0/22	AS4538	China Education and Research Network	1,024
222.199.28.0/22	AS4538	China Education and Research Network	1,024
222.199.160.0/22	AS4538	China Education and Research Network	1,024
222.199.108.0/22	AS4538	China Education and Research Network	1,024
222.199.92.0/22	AS4538	China Education and Research Network	1,024
222.199.6.0/23	AS4538	China Education and Research Network	512
222.199.47.0/24	AS4538	China Education and Research Network	256
222.199.4.0/24	AS4538	China Education and Research Network	256
222.199.48.0/24	AS4538	China Education and Research Network	256
222.199.100.0/24	AS4538	China Education and Research Network	256
222.199.42.0/24	AS4538	China Education and Research Network	256
222.199.5.0/24	AS4538	China Education and Research Network	256
222.199.20.0/24	AS4538	China Education and Research Network	256
222.199.23.0/24	AS4538	China Education and Research Network	256
222.199.12.0/24	AS4538	China Education and Research Network	256
222.199.22.0/24	AS4538	China Education and Research Network	256
222.199.21.0/24	AS4538	China Education and Research Network	256
222.199.170.0/24	AS4538	China Education and Research Network	256
222.199.40.0/24	AS4538	China Education and Research Network	256
222.199.52.0/24	AS4538	China Education and Research Network	256
222.199.181.0/24	AS4538	China Education and Research Network	256
222.199.41.0/24	AS4538	China Education and Research Network	256
222.199.44.0/24	AS4538	China Education and Research Network	256
222.199.165.0/24	AS4538	China Education and Research Network	256
222.199.64.0/24	AS4538	China Education and Research Network	256
222.199.164.0/24	AS4538	China Education and Research Network	256
222.199.49.0/24	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
212.123.132.136	AS1136 KPN B.V.	2.54ms from Amsterdam, NL
167.114.150.72	AS16276 OVH SAS	0.09ms from Beauharnois, CA
113.100.22.8	AS4134 CHINANET-BACKBONE	10.07ms from Guangzhou, CN
174.115.243.216	AS812 Rogers Communications Canada Inc.	6.58ms from Ottawa, CA
106.14.204.24	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	2.46ms from Shanghai, CN
193.243.143.104	AS28689 ENERGA Informatyka i Technologia Sp. z o.o	2.52ms from Warsaw, PL
97.132.15.104	AS6167 Verizon Business	16.70ms from Atlanta, US
107.222.52.232	AS7018 AT&T Enterprises, LLC	6.33ms from Atlanta, US
181.30.9.168	AS7303 Telecom Argentina S.A.	0.86ms from Buenos Aires, AR
20.15.145.168	AS8075 Microsoft Corporation	0.27ms from Des Moines, US
77.75.249.72	AS45012 dogado GmbH	0.26ms from Dortmund, DE
93.208.125.72	AS3320 Deutsche Telekom AG	5.98ms from Frankfurt am Main, DE
47.98.167.216	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	3.88ms from Hangzhou, CN
82.136.117.88	AS8821 WWZ Telekom AG (TELEZUG)	4.86ms from Kloten, CH
129.134.85.200	AS32934 Facebook, Inc.	0.35ms from Los Angeles, US
151.84.156.72	AS1267 WIND TRE S.P.A.	3.23ms from Milan, IT
13.202.244.104	AS16509 Amazon.com, Inc.	0.15ms from Mumbai, IN
104.120.77.152	AS16625 Akamai Technologies, Inc.	0.28ms from Mumbai, IN
117.16.7.8	AS9754 CHOSUN UNIVERSITY	5.63ms from Seoul, KR
193.74.87.24	AS5432 Proximus NV	6.13ms from Amsterdam, NL
9.163.223.248	AS8075 Microsoft Corporation	0.23ms from Amsterdam, NL
80.211.153.104	AS31034 Aruba S.p.A.	0.34ms from Arezzo, IT
185.17.178.8	AS15547 netplus.ch SA	2.13ms from Geneve, CH
39.136.157.136	AS56041 China Mobile communications corporation	5.74ms from Hangzhou, CN
109.152.221.56	AS2856 British Telecommunications PLC	2.13ms from London, GB

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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