222.199.20.0/24

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 222.199.20.0/24

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
222.199.43.0/24	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 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

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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Pingable IPs

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

IP Address	ASN	Details
222.199.20.10	AS4538 China Education and Research Network Center	12.38ms 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
45.169.111.40	AS268106 Link Speed	1.05ms from Belo Horizonte, BR
210.222.251.152	AS4766 Korea Telecom	4.10ms from Seoul, KR
150.203.9.248	AS7575 Australian Academic and Research Network (AARNet)	4.54ms from Sydney, AU
89.136.209.136	AS12302 Vodafone Romania S.A.	1.01ms from Bucharest, RO
162.158.19.216	AS13335 Cloudflare, Inc.	0.21ms from Bucharest, RO
189.76.250.200	AS262407 RAPIDANET TELECOM LTDA	16.51ms from Porto Alegre, BR
39.77.82.72	AS4837 CHINA UNICOM China169 Backbone	1.74ms from Qingdao, CN
188.143.236.88	AS44050 Petersburg Internet Network ltd.	0.77ms from Saint Petersburg, RU
178.34.101.232	AS12389 PJSC Rostelecom	1.10ms from Krasnodar, RU
109.111.69.56	AS38917 INTERCOMTEL Limited Company	5.94ms from Moscow, RU
175.227.75.88	AS4766 Korea Telecom	9.49ms from Seoul, KR
77.61.21.56	AS1136 KPN B.V.	1.50ms from Amsterdam, NL
194.247.161.248	AS59943 Level 27 BVBA	1.62ms from Brussels, BE
156.214.227.248	AS8452 TE-AS	6.76ms from Cairo, EG
27.152.243.248	AS4134 CHINANET-BACKBONE	4.07ms from Fuzhou, CN
116.108.14.232	AS7552 Viettel Group	1.12ms from Ho Chi Minh City, VN
202.58.195.120	AS45701 Internet Madju Abad Millenindo, PT	17.71ms from Jakarta, ID
68.13.141.8	AS22773 Cox Communications Inc.	8.10ms from Kansas City, US
124.51.6.104	AS17858 LG POWERCOMM	2.12ms from Seoul, KR
20.238.183.24	AS8075 Microsoft Corporation	0.24ms from Amsterdam, NL
68.41.43.88	AS7922 Comcast Cable Communications, LLC	6.79ms from Flint, US
210.76.88.136	AS134773 CHINANET Guangdong province Guangzhou MAN network	4.55ms from Guangzhou, CN
189.97.31.8	AS26599 TELEFÔNICA BRASIL S.A	1.87ms from Sao Paulo, BR
205.174.180.136	AS25934 Syniverse Technologies, LLC	0.35ms from Dallas, US
95.252.149.24	AS3269 Telecom Italia S.p.A.	9.50ms from Milan, IT

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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