219.231.128.0/20

AS4538  ·  China Education and Research Network Center

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Summary

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

WHOIS Details

inetnum:        219.230.0.0 - 219.231.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Nanjing 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:  2020-09-03T09:16:27Z
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 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-09-04T00:59:41Z
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 2025-08-15
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
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

Nearby Ranges

BGP prefixes that overlap with 219.231.0.0/16

No nearby ranges found.

Hosted domains

There are 3 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
219.231.139.164 jiyaonas.asia 1

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

3,324 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
219.231.132.171 AS4538 China Education and Research Network Center 5.80ms from Qingdao, CN
219.231.131.164 AS4538 China Education and Research Network Center 5.85ms from Qingdao, CN
219.231.135.11 AS4538 China Education and Research Network Center 5.84ms from Qingdao, CN
219.231.129.25 AS4538 China Education and Research Network Center 5.79ms from Qingdao, CN
219.231.139.173 AS4538 China Education and Research Network Center 5.82ms from Qingdao, CN
219.231.136.206 AS4538 China Education and Research Network Center 5.82ms from Qingdao, CN
219.231.133.26 AS4538 China Education and Research Network Center 5.78ms from Qingdao, CN
219.231.138.64 AS4538 China Education and Research Network Center 5.82ms from Qingdao, CN
219.231.142.241 AS4538 China Education and Research Network Center 5.84ms from Qingdao, CN
219.231.137.43 AS4538 China Education and Research Network Center 5.79ms from Qingdao, CN
219.231.130.233 AS4538 China Education and Research Network Center 5.79ms from Qingdao, CN
219.231.143.23 AS4538 China Education and Research Network Center 5.80ms from Qingdao, CN
219.231.134.95 AS4538 China Education and Research Network Center 5.84ms from Qingdao, CN
219.231.141.63 AS4538 China Education and Research Network Center 5.76ms from Qingdao, CN
219.231.140.189 AS4538 China Education and Research Network Center 5.77ms from Qingdao, CN
219.231.128.216 AS4538 China Education and Research Network Center 5.79ms from Qingdao, 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
75.53.184.196 AS7018 AT&T Enterprises, LLC 11.15ms from Atlanta, US
101.98.80.84 AS9790 Two Degrees Networks Limited 1.53ms from Auckland, NZ
98.217.169.164 AS7922 Comcast Cable Communications, LLC 5.67ms from Boston, US
181.92.142.148 AS7303 Telecom Argentina S.A. 1.99ms from Buenos Aires, AR
196.117.233.212 AS36925 MEDITELECOM 2.88ms from Casablanca, MA
87.154.162.100 AS3320 Deutsche Telekom AG 4.34ms from Frankfurt am Main, DE
113.106.194.20 AS4134 CHINANET-BACKBONE 4.36ms from Guangzhou, CN
106.110.109.148 AS4134 CHINANET-BACKBONE 9.99ms from Huai'an, CN
223.98.118.4 AS24444 Shandong Mobile Communication Company Limited 4.57ms from Jinan, CN
86.142.176.164 AS2856 British Telecommunications PLC 4.78ms from London, GB
178.80.56.244 AS35819 Etihad Etisalat, a joint stock company 4.08ms from Manama, BH
208.32.171.52 AS3643 Sprint 0.40ms from New York City, US
148.123.168.4 AS2119 Telenor Norge AS 0.59ms from Oslo, NO
185.138.246.4 AS201730 DataSpring 0.39ms from Prague, CZ
116.179.171.132 AS4837 CHINA UNICOM China169 Backbone 8.46ms from Taiyuan, CN
210.163.133.132 AS4713 NTT DOCOMO BUSINESS,Inc. 1.75ms from Tokyo, JP
46.186.40.36 AS21021 Multimedia Polska Sp. z o.o. 8.88ms from Warsaw, PL
120.194.164.20 AS24445 Henan Mobile Communications Co.,Ltd 6.68ms from Zhengzhou, CN
219.157.87.180 AS4837 CHINA UNICOM China169 Backbone 8.09ms from Zhengzhou, CN
85.2.29.52 AS3303 Swisscom (Switzerland) Ltd 2.33ms from Zuerich, CH
36.137.248.212 AS9808 China Mobile Communications Group Co., Ltd. 0.47ms from Guiyang, CN
37.138.120.228 AS9145 EWE TEL GmbH 6.02ms from Hamburg, DE
82.181.71.4 AS16086 DNA Oyj 7.77ms from Helsinki, FI
37.33.47.196 AS16086 DNA Oyj 13.22ms from Helsinki, FI
118.182.11.52 AS4134 CHINANET-BACKBONE 9.79ms from Lanzhou, CN

Traceroute

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

$
traceroute -a -n -q1 -f4 -m13 219.231.137.131
traceroute to 219.231.137.131 (219.231.137.131): 13 hops max, 52 byte packets
4 [AS9044] 82.220.15.178 31.891 ms
5 *
6 *
7 [AS9002] 87.245.241.17 184.009 ms
8 *
9 *
10 [AS4538] 101.4.114.181 241.808 ms
11 *
12 *
13 *
Measurement taken from IPinfo ProbeNet in Solothurn, CH
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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