202.116.236.0/22

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:        202.112.0.0 - 202.121.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
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:        origin AS4538
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:29Z
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

Nearby Ranges

BGP prefixes that overlap with 202.116.0.0/16

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
202.116.236.74	AS4538 China Education and Research Network Center	`1.20ms` from Guangzhou, CN
202.116.237.8	AS4538 China Education and Research Network Center	`1.56ms` from Guangzhou, 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
99.178.158.6	AS7018 AT&T Enterprises, LLC	`7.82ms` from Chicago, US
108.131.22.70	AS16509 Amazon.com, Inc.	`0.19ms` from Dublin, IE
54.75.255.102	AS16509 Amazon.com, Inc.	`0.20ms` from Dublin, IE
182.44.13.22	AS58519 Cloud Computing Corporation	`0.44ms` from Guiyang, CN
118.37.171.150	AS4766 Korea Telecom	`1.45ms` from Incheon, KR
14.50.87.150	AS4766 Korea Telecom	`3.43ms` from Incheon, KR
37.55.190.134	AS6849 JSC "Ukrtelecom"	`7.48ms` from Kyiv, UA
92.30.40.54	AS13285 TalkTalk Communications Limited	`6.00ms` from London, GB
213.230.195.38	AS25098 Netcalibre Ltd	`0.25ms` from London, GB
12.252.150.182	AS7018 AT&T Enterprises, LLC	`2.67ms` from Los Angeles, US
173.169.219.230	AS33363 Charter Communications, Inc	`8.80ms` from Orlando, US
67.189.1.214	AS7922 Comcast Cable Communications, LLC	`5.90ms` from Portland, US
152.74.209.246	AS11340 Red Universitaria Nacional	`8.48ms` from Santiago, CL
125.184.76.166	AS17858 LG POWERCOMM	`7.24ms` from Seoul, KR
59.20.171.6	AS4766 Korea Telecom	`5.87ms` from Seoul, KR
219.240.161.86	AS9318 SK Broadband Co Ltd	`6.42ms` from Seoul, KR
81.190.132.118	AS21021 Multimedia Polska Sp. z o.o.	`10.04ms` from Warsaw, PL
105.110.209.102	AS36947 Telecom Algeria	`12.01ms` from Algiers, DZ
3.219.102.102	AS14618 Amazon.com, Inc.	`0.46ms` from Ashburn, US
65.86.98.22	AS6079 RCN	`1.52ms` from Ashburn, US
114.253.105.134	AS4808 China Unicom Beijing Province Network	`4.21ms` from Beijing, CN
34.211.26.150	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
35.84.127.150	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
172.177.231.86	AS8075 Microsoft Corporation	`0.29ms` from Boydton, US
173.165.72.6	AS7922 Comcast Cable Communications, LLC	`5.89ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f5 -m17 202.116.238.4

traceroute to 202.116.238.4 (202.116.238.4): 17 hops max, 52 byte packets

5 [] 37.49.238.60 0.721 ms

6 [AS23764] 5.154.154.45 9.182 ms

7 *

8 *

9 *

10 [AS4538] 101.4.114.181 238.577 ms

11 *

12 *

13 [AS4538] 101.4.114.38 270.181 ms

14 [AS4538] 101.4.114.61 270.391 ms

15 *

16 *

17 *

Measurement taken from

IPinfo ProbeNet in Paris, FR

On March 21st 2026

What are IP address ranges?

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