202.196.112.0/20

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:        hostmaster@apnic.net 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:         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:  2025-11-18T00:26:28Z
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:         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

Overlapping Ranges

BGP prefixes that contain 202.196.112.0/20

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 202.196.0.0/16

Range	ASN	Company	Num of IPs
202.192.0.0/13	AS4538	China Education and Research Network	524,288
202.196.240.0/20	AS4538	Anyang Teachers College	4,096

Hosted domains

There are no domains currently hosted on this ASN.

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

Read more

Pingable IPs

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

IP Address	ASN	Details
202.196.119.137	AS4538 China Education and Research Network Center	`13.55ms` from Beijing, CN
202.196.112.124	AS4538 China Education and Research Network Center	`13.57ms` 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
174.75.197.164	AS22773 Cox Communications Inc.	`0.34ms` from Atlanta, US
152.110.21.212	AS20011 Dimension Data	`1.43ms` from Cape Town, ZA
71.65.114.20	AS10796 Charter Communications Inc	`9.27ms` from Columbus, US
191.191.61.132	AS28573 Claro NXT Telecomunicacoes Ltda	`10.65ms` from Curitiba, BR
90.33.36.36	AS3215 Orange S.A.	`15.91ms` from Frankfurt am Main, DE
113.104.235.68	AS4134 CHINANET-BACKBONE	`6.26ms` from Guangzhou, CN
105.168.170.132	AS37119 UNITEL SA	`0.82ms` from Luanda, AO
85.6.175.4	AS3303 Swisscom (Switzerland) Ltd	`0.55ms` from Lugano, CH
91.102.117.100	AS31229 Beyond.pl sp. z o.o.	`0.56ms` from Poznan, PL
95.245.115.100	AS3269 Telecom Italia S.p.A.	`8.65ms` from Rome, IT
204.83.155.148	AS27628 Innovation Saskatchewan	`0.53ms` from Saskatoon, CA
115.139.125.36	AS17858 LG POWERCOMM	`2.42ms` from Seoul, KR
218.148.35.4	AS4766 Korea Telecom	`1.58ms` from Seoul, KR
213.80.44.228	AS12552 GlobalConnect AB	`11.08ms` from Stockholm, SE
20.92.108.100	AS8075 Microsoft Corporation	`0.71ms` from Sydney, AU
104.158.63.100	AS54198 Videotron Ltee	`11.60ms` from Toronto, CA
36.40.78.196	AS134768 CHINANET SHAANXI province Cloud Base network	`2.63ms` from Xi'an, CN
196.114.218.132	AS36925 MEDITELECOM	`17.75ms` from Casablanca, MA
73.211.25.116	AS7922 Comcast Cable Communications, LLC	`4.95ms` from Chicago, US
20.125.215.20	AS8075 Microsoft Corporation	`0.44ms` from Chicago, US
216.239.232.228	AS29863 Latisys-Denver, LLC	`1.27ms` from Denver, US
168.222.0.100	AS205548 ZOUTER LIMITED	`0.19ms` from Draper, US
52.28.199.196	AS16509 Amazon.com, Inc.	`0.15ms` from Frankfurt am Main, DE
81.139.185.20	AS2856 British Telecommunications PLC	`5.88ms` from London, GB
98.167.37.228	AS22773 Cox Communications Inc.	`9.41ms` from Los Angeles, 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 -m14 202.196.127.239

traceroute to 202.196.127.239 (202.196.127.239): 14 hops max, 52 byte packets

5 [] 123.255.91.118 54.582 ms

6 [AS4538] 101.4.114.181 90.651 ms

7 *

8 *

9 [AS4538] 101.4.112.2 99.397 ms

10 *

11 [AS4538] 210.43.145.86 134.852 ms

12 *

13 *

14 *

Measurement taken from

IPinfo ProbeNet in Tokyo, JP

On November 14th 2025

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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