202.199.112.0/21

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 202.192.0.0/13
Registry APNIC
ID CERNET-CN

WHOIS Details

inetnum:        202.192.0.0 - 202.199.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          SY Region
descr:          China Education and Research Network Center
descr:          Tsinghua University
descr:          Beijing, 100084
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        [email protected] 960130
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2021-10-30T08:29:34Z
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-11-18T00:26:28Z
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:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-08-15
abuse-mailbox:  [email protected]
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:         [email protected]
remarks:        [email protected]
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 202.199.112.0/21

Range ASN Company Num of IPs
202.192.0.0/13 AS4538 China Education and Research Network 524,288

Nearby Ranges

BGP prefixes that overlap with 202.199.0.0/16

Range ASN Company Num of IPs
202.192.0.0/13 AS4538 China Education and Research Network 524,288
202.199.240.0/21 AS4538 Anshan Institute of Iron and Steel Technology 2,048
202.199.248.0/21 AS4538 Anshan Normal College 2,048

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

Pingable IPs

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

IP Address ASN Details
202.199.115.45 AS4538 China Education and Research Network Center 15.70ms from Beijing, CN
202.199.113.158 AS4538 China Education and Research Network Center 15.05ms from Beijing, CN
202.199.112.80 AS4538 China Education and Research Network Center 15.50ms from Beijing, CN
202.199.114.240 AS4538 China Education and Research Network Center 16.55ms 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
181.120.146.197 AS23201 Telecel S.A. 9.35ms from Asuncion, PY
75.243.84.37 AS6167 Verizon Business 9.82ms from Atlanta, US
212.69.24.69 AS198961 Orion Telekom Tim d.o.o.Beograd 6.79ms from Belgrade, RS
52.42.79.21 AS16509 Amazon.com, Inc. 0.14ms from Boardman, US
178.48.69.149 AS21334 One Hungary Ltd. 0.85ms from Budapest, HU
51.145.106.117 AS8075 Microsoft Corporation 0.20ms from London, GB
88.26.230.165 AS3352 TELEFONICA DE ESPANA S.A.U. 8.51ms from Madrid, ES
163.61.94.21 AS135345 NewMountainView Satellite Corporation 0.91ms from Manila, PH
130.110.3.181 AS31898 Oracle Corporation 0.17ms from Milan, IT
117.181.162.229 AS9808 China Mobile Communications Group Co., Ltd. 8.23ms from Nanning, CN
69.115.247.213 AS6128 Cablevision Systems Corp. 5.64ms from New York City, US
79.3.5.37 AS3269 Telecom Italia S.p.A. 4.36ms from Rome, IT
112.167.176.229 AS4766 Korea Telecom 4.67ms from Seoul, KR
49.29.249.117 AS4766 Korea Telecom 6.96ms from Seoul, KR
124.75.148.117 AS4812 China Telecom (Group) 2.21ms from Shanghai, CN
130.238.204.117 AS2834 Uppsala University 1.89ms from Stockholm, SE
36.230.253.165 AS3462 Data Communication Business Group 0.68ms from Taipei, TW
116.179.234.85 AS4837 CHINA UNICOM China169 Backbone 7.75ms from Taiyuan, CN
184.146.124.245 AS577 Bell Canada 1.30ms from Toronto, CA
170.62.109.133 AS212477 RoyaleHosting BV 0.65ms from Amsterdam, NL
155.138.216.245 AS20473 The Constant Company, LLC 0.16ms from Atlanta, US
34.209.217.69 AS16509 Amazon.com, Inc. 0.32ms from Boardman, US
71.71.88.69 AS11426 Charter Communications Inc 6.06ms from Charlotte, US
217.89.193.5 AS3320 Deutsche Telekom AG 3.00ms from Duesseldorf, DE
3.123.255.133 AS16509 Amazon.com, Inc. 0.15ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f5 -m12 202.199.119.38
traceroute to 202.199.119.38 (202.199.119.38): 12 hops max, 52 byte packets
6 *
7 *
8 [] 123.255.91.118 49.853 ms
9 [AS4538] 101.4.114.181 190.231 ms
10 *
11 *
12 *
Measurement taken from IPinfo ProbeNet in Seoul, KR
On

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