219.223.244.0/22

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 219.223.240.0/21
Registry APNIC
ID CERNET-CN

WHOIS Details

inetnum:        219.222.0.0 - 219.223.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Guangzhou Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
remarks:        GZR-CERNET
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:52Z
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 219.223.244.0/22

Range ASN Company Num of IPs
219.223.240.0/21 AS4538 China Education and Research Network 2,048
219.223.192.0/18 AS4538 China Education and Research Network 16,384
219.223.0.0/16 AS4538 China Education and Research Network 65,536
219.223.0.0/16 AS24357 China Education and Research Network 65,536
219.216.0.0/13 AS4538 China Education and Research Network 524,288

Nearby Ranges

BGP prefixes that overlap with 219.223.0.0/16

Range ASN Company Num of IPs
219.216.0.0/13 AS4538 China Education and Research Network 524,288
219.223.0.0/16 AS24357 China Education and Research Network 65,536
219.223.0.0/16 AS4538 China Education and Research Network 65,536
219.223.192.0/18 AS4538 China Education and Research Network 16,384
219.223.160.0/19 AS4538 China Education and Research Network 8,192
219.223.192.0/20 AS4538 China Education and Research Network 4,096
219.223.176.0/20 AS4538 China Education and Research Network 4,096
219.223.240.0/21 AS4538 China Education and Research Network 2,048
219.223.160.0/21 AS4538 China Education and Research Network 2,048
219.223.168.0/21 AS4538 China Education and Research Network 2,048
219.223.232.0/21 AS4538 China Education and Research Network 2,048
219.223.116.0/22 AS4538 China Education and Research Network 1,024
219.223.236.0/22 AS4538 China Education and Research Network 1,024
219.223.232.0/22 AS4538 China Education and Research Network 1,024
219.223.12.0/22 AS4538 China Education and Research Network 1,024
219.223.0.0/22 AS4538 China Education and Research Network 1,024
219.223.124.0/22 AS4538 China Education and Research Network 1,024
219.223.220.0/22 AS4538 China Education and Research Network 1,024
219.223.32.0/22 AS4538 China Education and Research Network 1,024
219.223.8.0/22 AS4538 China Education and Research Network 1,024
219.223.248.0/22 AS4538 China Education and Research Network 1,024
219.223.96.0/22 AS4538 China Education and Research Network 1,024
219.223.240.0/22 AS4538 China Education and Research Network 1,024
219.223.224.0/22 AS4538 China Education and Research Network 1,024
219.223.86.0/23 AS4538 China Education and Research Network 512
219.223.110.0/23 AS4538 China Education and Research Network 512
219.223.42.0/23 AS4538 China Education and Research Network 512
219.223.108.0/23 AS4538 China Education and Research Network 512
219.223.40.0/23 AS4538 China Education and Research Network 512
219.223.6.0/23 AS4538 China Education and Research Network 512
219.223.38.0/23 AS4538 China Education and Research Network 512
219.223.120.0/23 AS4538 China Education and Research Network 512
219.223.48.0/23 AS4538 China Education and Research Network 512
219.223.4.0/23 AS4538 China Education and Research Network 512
219.223.60.0/23 AS4538 China Education and Research Network 512
219.223.72.0/23 AS4538 China Education and Research Network 512
219.223.58.0/23 AS4538 China Education and Research Network 512
219.223.248.0/23 AS4538 China Education and Research Network 512
219.223.128.0/23 AS4538 China Education and Research Network 512
219.223.88.0/23 AS4538 China Education and Research Network 512
219.223.50.0/23 AS4538 China Education and Research Network 512
219.223.46.0/23 AS4538 China Education and Research Network 512
219.223.44.0/23 AS4538 China Education and Research Network 512
219.223.28.0/23 AS4538 China Education and Research Network 512
219.223.112.0/23 AS4538 China Education and Research Network 512
219.223.80.0/23 AS4538 China Education and Research Network 512
219.223.62.0/23 AS4538 China Education and Research Network 512
219.223.36.0/23 AS4538 China Education and Research Network 512
219.223.114.0/23 AS4538 China Education and Research Network 512

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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
160.153.139.166 AS21501 Host Europe GmbH 0.45ms from Amsterdam, NL
79.107.253.134 AS25472 Nova Telecommunications & Media Single Member S.A 11.67ms from Athens, GR
24.88.105.86 AS11426 Charter Communications Inc 11.39ms from Atlanta, US
205.162.82.214 AS32261 SUBSPACE 0.25ms from Atlanta, US
117.10.147.54 AS4837 CHINA UNICOM China169 Backbone 6.07ms from Beijing, CN
181.219.229.214 AS28573 Claro NXT Telecomunicacoes Ltda 16.50ms from Brasilia, BR
217.118.188.70 AS28840 PJSC "TATTELECOM" 4.99ms from Kazan, RU
65.100.252.166 AS209 CenturyLink Communications, LLC 19.25ms from Salt Lake City, US
175.133.149.86 AS2516 KDDI CORPORATION 17.42ms from Tokyo, JP
109.58.76.230 AS44034 Hi3G Access AB 7.09ms from Copenhagen, DK
201.170.139.198 AS8151 UNINET 3.91ms from Los Angeles, US
87.9.155.22 AS3269 Telecom Italia S.p.A. 2.03ms from Milan, IT
211.40.208.54 AS3786 LG DACOM Corporation 1.49ms from Seoul, KR
123.57.211.182 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 2.07ms from Beijing, CN
105.27.117.214 AS37100 SEACOM Limited 1.20ms from Cape Town, ZA
212.8.207.246 AS212215 teuto.net Netzdienste GmbH 4.12ms from Frankfurt am Main, DE
89.44.201.54 AS9009 M247 Europe SRL 0.13ms from Manchester, GB
81.179.124.134 AS9105 TalkTalk Communications Limited 1.10ms from Manchester, GB
77.188.198.230 AS6805 Telefonica Germany GmbH & Co.OHG 4.94ms from Berlin, DE
104.188.62.214 AS7018 AT&T Enterprises, LLC 6.69ms from Columbus, US
74.44.116.54 AS7011 Frontier Communications of America, Inc. 14.76ms from Chicago, US
76.185.135.182 AS11427 Charter Communications Inc 9.61ms from Dallas, US
204.83.22.134 AS30324 SaskEnergy Inc. 19.35ms from Des Moines, US
39.87.55.182 AS4837 CHINA UNICOM China169 Backbone 8.65ms from Qingdao, CN
153.120.191.54 AS7684 SAKURA Internet Inc. 16.36ms from Tokyo, JP

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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