219.224.0.0/14

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Registry APNIC
ID BJR-CERNET

WHOIS Details

inetnum:        219.224.0.0 - 219.226.255.255
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
remarks:        confederation
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:54Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Center,
address:        FIT-3-220, 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:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-03-05T06:39:56Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, 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 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
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 are contained by 219.224.0.0/14

Range ASN Company Num of IPs
219.227.0.0/16 AS4538 China Education and Research Network 65,536

Nearby Ranges

BGP prefixes that overlap with 219.0.0.0/8

Range ASN Company Num of IPs
219.32.0.0/11 AS17676 Japan nation-wide Network of SOFTBANK Corp. 2,097,152
219.16.0.0/12 AS17676 Japan nation-wide Network of SOFTBANK Corp. 1,048,576
219.244.0.0/14 AS4538 China Education and Research Network 262,144
219.248.0.0/14 AS9318 SK Broadband Co Ltd 262,144
219.86.0.0/15 AS9924 Taiwan Fixed Network CO.,LTD. 131,072
219.80.0.0/15 AS9924 Taiwan Fixed Network CO.,LTD. 131,072
219.66.0.0/15 AS4725 SoftBank Corp. 131,072
219.86.0.0/15 AS3911 Taiwan Fixed Network CO.,LTD. 131,072
219.240.0.0/15 AS9318 SK Broadband Co Ltd 131,072
219.254.0.0/15 AS9318 SK Broadband Co Ltd 131,072
219.70.0.0/15 AS9416 Hoshin Multimedia Center Inc 131,072
219.242.0.0/15 AS4538 China Education and Research Network 131,072
219.119.0.0/16 AS2497 Internet Initiative Japan Inc. 65,536
219.237.0.0/16 AS17429 BEIJING SANXIN SHIDAI CO., LTD. 65,536
219.252.0.0/16 AS18302 SK Broadband Co Ltd 65,536
219.102.0.0/16 AS2514 NTT PC Communications,Inc. 65,536
219.120.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
219.77.0.0/16 AS4760 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
219.140.0.0/16 AS137266 Chinanet network in Wuhan city Hubei province 65,536
219.95.0.0/16 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 65,536
219.82.0.0/16 AS24139 Huashu media&Network Limited 65,536
219.253.0.0/16 AS18302 SK Broadband Co Ltd 65,536
219.123.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
219.79.0.0/16 AS4760 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
219.72.0.0/16 AS18118 CITIC Networks Management Co.,Ltd. 65,536
219.125.0.0/16 AS2516 KDDI CORPORATION 65,536
219.108.0.0/16 AS2516 KDDI CORPORATION 65,536
219.78.0.0/16 AS4760 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
219.110.0.0/16 AS9365 its communications Inc. 65,536
219.220.0.0/16 AS4538 China Education and Research Network 65,536
219.227.0.0/16 AS4538 China Education and Research Network 65,536
219.92.0.0/16 AS4788 TMNET 65,536
219.140.0.0/16 AS4134 Chinanet network in Wuhan city Hubei province 65,536
219.98.0.0/16 AS2527 Sony Network Communications Inc. 65,536
219.233.0.0/16 AS9812 Oriental Cable Network Co., Ltd. 65,536
219.107.0.0/16 AS2518 BIGLOBE Inc. 65,536
219.253.0.0/16 AS9318 SK Broadband Co Ltd 65,536
219.252.0.0/16 AS9318 SK Broadband Co Ltd 65,536
219.147.128.0/17 AS4134 CHINANET HEILONGJIANG PROVINCE NETWORK 32,768
219.96.128.0/17 AS4713 NTT DOCOMO BUSINESS,Inc. 32,768
219.142.0.0/17 AS4847 Beijing Kuanjie Net communication technology Ltd 32,768
219.141.0.0/17 AS4134 CHINANET Guizhou province network 32,768
219.158.128.0/17 AS4808 China Unicom Beijing province network 32,768
219.114.0.0/17 AS4713 NTT DOCOMO BUSINESS,Inc. 32,768
219.95.128.0/17 AS4788 TMNET 32,768
219.91.0.0/17 AS131627 Asia Pacific On-line Services Inc. 32,768
219.90.128.0/17 AS4739 iiNet Limited 32,768
219.126.0.0/17 AS10010 TOKAI Communications Corporation 32,768
219.111.0.0/17 AS2497 Internet Initiative Japan Inc. 32,768
219.94.0.0/17 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 32,768

Hosted domains

There are 16 domain names hosted across 13 IP addresses 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

Pingable IPs

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

IP Address ASN Details
219.226.161.206 AS4538 China Education and Research Network Center 21.97ms from Beijing, CN
219.227.60.6 AS4538 China Education and Research Network Center 3.11ms from Shenzhen, CN
219.226.3.253 AS4538 China Education and Research Network Center 4.09ms from Beijing, CN
219.225.128.253 AS4538 China Education and Research Network Center 12.18ms from Beijing, CN
219.224.48.1 AS4538 China Education and Research Network Center 3.25ms from Beijing, CN
219.226.127.250 AS4538 China Education and Research Network Center 11.29ms from Beijing, CN
219.226.171.217 AS4538 China Education and Research Network Center 22.89ms from Beijing, CN
219.224.31.61 AS4538 China Education and Research Network Center 3.33ms from Beijing, CN
219.225.88.115 AS4538 China Education and Research Network Center 3.50ms from Beijing, CN
219.226.14.93 AS4538 China Education and Research Network Center 4.94ms from Beijing, CN
219.225.254.57 AS4538 China Education and Research Network Center 12.10ms from Beijing, CN
219.224.5.18 AS4538 China Education and Research Network Center 3.82ms from Beijing, CN
219.225.135.16 AS4538 China Education and Research Network Center 29.90ms from Beijing, CN
219.226.183.130 AS4538 China Education and Research Network Center 22.79ms from Beijing, CN
219.224.23.151 AS4538 China Education and Research Network Center 3.54ms from Beijing, CN
219.226.240.28 AS4538 China Education and Research Network Center 4.48ms from Beijing, CN
219.226.180.239 AS4538 China Education and Research Network Center 21.86ms from Beijing, CN
219.224.101.137 AS4538 China Education and Research Network Center 3.82ms from Shanghai, CN
219.227.8.181 AS4538 China Education and Research Network Center 3.73ms from Shenzhen, CN
219.224.8.247 AS4538 China Education and Research Network Center 3.89ms from Beijing, CN
219.226.15.226 AS4538 China Education and Research Network Center 4.37ms from Beijing, CN
219.225.148.117 AS4538 China Education and Research Network Center 29.01ms from Beijing, CN
219.226.160.251 AS4538 China Education and Research Network Center 23.54ms from Beijing, CN
219.227.68.174 AS4538 China Education and Research Network Center 1.73ms from Shenzhen, CN
219.225.240.170 AS4538 China Education and Research Network Center 11.85ms 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
31.150.219.222 AS9145 EWE TEL GmbH 8.87ms from Amsterdam, NL
52.151.192.62 AS8075 Microsoft Corporation 0.48ms from Ashburn, US
37.80.80.30 AS3320 Deutsche Telekom AG 16.34ms from Berlin, DE
128.173.74.62 AS1312 Virginia Polytechnic Institute and State Univ. 0.42ms from Blacksburg, US
20.69.250.78 AS8075 Microsoft Corporation 0.37ms from Boydton, US
168.96.64.254 AS3597 Fundación InnovaT 1.53ms from Buenos Aires, AR
71.221.56.254 AS19901 Brightspeed 8.22ms from Dallas, US
24.219.135.254 AS8092 Access Media Holdings, LLC 2.03ms from Dallas, US
202.82.190.158 AS4515 PCCW IMS Ltd (PCCW Business Internet Access) 1.28ms from Hong Kong, HK
78.170.142.62 AS9121 Turk Telekomunikasyon Anonim Sirketi 10.65ms from Istanbul, TR
46.208.105.78 AS6871 Plusnet 5.69ms from London, GB
50.73.177.142 AS7922 Comcast Cable Communications, LLC 14.24ms from New York City, US
189.193.187.238 AS13999 Mega Cable, S.A. de C.V. 5.74ms from Santiago de Querétaro, MX
119.200.17.126 AS4766 Korea Telecom 5.20ms from Seoul, KR
59.10.36.62 AS4766 Korea Telecom 1.09ms from Seoul, KR
14.124.11.78 AS4134 CHINANET-BACKBONE 9.54ms from Shenzhen, CN
126.89.189.78 AS17676 SoftBank Corp. 2.79ms from Tokyo, JP
115.54.123.110 AS4837 CHINA UNICOM China169 Backbone 6.75ms from Zhengzhou, CN
35.155.194.78 AS16509 Amazon.com, Inc. 0.23ms from Boardman, US
54.245.56.62 AS16509 Amazon.com, Inc. 0.20ms from Boardman, US
181.82.157.142 AS7303 Telecom Argentina S.A. 8.58ms from Buenos Aires, AR
41.117.143.206 AS12091 MTN SA 19.65ms from Centurion, ZA
98.52.20.222 AS7922 Comcast Cable Communications, LLC 5.71ms from Chicago, US
124.88.228.62 AS4837 CHINA UNICOM China169 Backbone 15.29ms from Hami, CN
218.103.66.190 AS4515 PCCW IMS Ltd (PCCW Business Internet Access) 1.20ms from Hong Kong, HK

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f3 -m12 219.224.204.72
traceroute to 219.224.204.72 (219.224.204.72): 12 hops max, 52 byte packets
3 [AS38158] 121.100.7.1 29.344 ms
4 *
5 [AS4538] 101.4.114.181 98.154 ms
6 *
7 *
8 [AS4538] 101.4.112.98 93.235 ms
9 [AS4538] 101.4.113.229 97.489 ms
10 *
11 *
12 *
Measurement taken from IPinfo ProbeNet in Denpasar, ID
On

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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