222.199.6.0/23

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 222.199.6.0/23

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
222.199.47.0/24	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
222.199.43.0/24	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

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

IP Address	ASN	Details
222.199.6.254	AS4538 China Education and Research Network Center	10.21ms 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
9.163.69.199	AS8075 Microsoft Corporation	0.21ms from Amsterdam, NL
2.86.252.135	AS6799 Ote SA (Hellenic Telecommunications Organisation)	4.57ms from Athens, GR
83.118.246.23	AS16509 Amazon.com, Inc.	0.81ms from Berlin, DE
18.197.252.183	AS16509 Amazon.com, Inc.	0.14ms from Frankfurt am Main, DE
52.189.248.151	AS8075 Microsoft Corporation	0.54ms from Melbourne, AU
149.28.97.151	AS20473 The Constant Company, LLC	0.16ms from Miami, US
60.57.104.39	AS17511 OPTAGE Inc.	1.88ms from Osaka, JP
51.103.27.39	AS8075 Microsoft Corporation	0.18ms from Paris, FR
54.151.37.103	AS16509 Amazon.com, Inc.	0.11ms from San Jose, US
14.56.133.87	AS4766 Korea Telecom	2.13ms from Seoul, KR
119.197.101.23	AS4766 Korea Telecom	1.12ms from Seoul, KR
177.41.160.7	AS18881 TELEFÔNICA BRASIL S.A	2.97ms from Belo Horizonte, BR
14.143.205.23	AS4755 TATA Communications formerly VSNL is Leading ISP	0.59ms from Bengaluru, IN
190.92.253.55	AS136907 HUAWEI CLOUDS	1.00ms from Hong Kong, HK
41.25.42.167	AS36994 Vodacom	1.75ms from Johannesburg, ZA
47.17.241.215	AS6128 Cablevision Systems Corp.	9.39ms from New York City, US
73.117.198.7	AS7922 Comcast Cable Communications, LLC	13.38ms from Piscataway, US
179.57.226.103	AS14117 Telefonica del Sur S.A.	12.65ms from Santiago, CL
24.18.87.71	AS7922 Comcast Cable Communications, LLC	5.85ms from Seattle, US
180.162.36.247	AS4812 China Telecom (Group)	2.59ms from Shanghai, CN
76.66.161.167	AS577 Bell Canada	4.19ms from Toronto, CA
35.246.2.247	AS396982 Google LLC	0.09ms from London, GB
124.149.255.247	AS7545 TPG Telecom Limited	1.68ms from Melbourne, AU
79.233.59.119	AS3320 Deutsche Telekom AG	3.31ms from Duesseldorf, DE
91.61.120.103	AS3320 Deutsche Telekom AG	5.38ms from Frankfurt am Main, DE

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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