202.112.17.0/24

AS24357  ·  CERNET2 IX at South China University of Technology

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Summary

Country China
Domain cernet.edu.cn
ASN AS24357
Parent Range 202.112.0.0/15
Registry APNIC
ID BJR-CERNET

WHOIS Details

inetnum:        202.112.0.0 - 202.113.255.255
netname:        BJR-CERNET
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
org:            ORG-CEAR1-AP
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:  2020-05-28T02:35:51Z
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

organisation:   ORG-CEAR1-AP
org-name:       China Education and Research Network (CERNET)
country:        CN
address:        FIT 3-220,
address:        Tsinghua University
phone:          +86-10-62785983
fax-no:         +86-10-62785933
e-mail:         hostmaster@cernic.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2018-09-13T12:56:34Z
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 202.112.17.0/24

Range ASN Company Num of IPs
202.112.0.0/15 AS24350 China Education and Research Network 131,072
202.112.0.0/15 AS4538 China Education and Research Network 131,072
202.112.0.0/15 AS24369 China Education and Research Network 131,072
202.112.0.0/15 AS24364 China Education and Research Network 131,072
202.112.0.0/15 AS24361 China Education and Research Network 131,072
202.112.0.0/15 AS24358 China Education and Research Network 131,072
202.112.0.0/15 AS24357 China Education and Research Network 131,072
202.112.0.0/15 AS24355 China Education and Research Network 131,072
202.112.0.0/15 AS24352 China Education and Research Network 131,072
202.112.0.0/15 AS24348 China Education and Research Network 131,072
202.112.0.0/15 AS24349 China Education and Research Network 131,072

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Pingable IPs

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

IP Address ASN Details
202.112.17.37 AS24357 CERNET2 IX at South China University of Technology 1.47ms 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
106.194.51.104 AS45609 Bharti Airtel Ltd. AS for GPRS Service 1.90ms from Ahmedabad, IN
149.210.212.24 AS20857 Signet B.V. 0.58ms from Amsterdam, NL
101.109.38.72 AS23969 TOT Public Company Limited 2.36ms from Bangkok, TH
183.196.25.56 AS24547 Hebei Mobile Communication Company Limited 5.10ms from Beijing, CN
76.16.175.248 AS7922 Comcast Cable Communications, LLC 5.75ms from Chicago, US
34.67.139.200 AS396982 Google LLC 0.12ms from Council Bluffs, US
103.52.3.152 AS138077 PT Abhinawa Sumberdaya Asia 0.54ms from Jakarta, ID
5.65.219.56 AS5607 Sky UK Limited 3.54ms from London, GB
76.86.107.136 AS20001 Charter Communications Inc 5.81ms from Los Angeles, US
70.31.255.24 AS577 Bell Canada 1.36ms from Montreal, CA
121.231.117.136 AS4134 CHINANET-BACKBONE 6.41ms from Nanjing, CN
38.6.135.56 AS54600 PEG TECH INC 0.29ms from San Jose, US
82.79.246.8 AS8708 DIGI ROMANIA S.A. 0.84ms from Timisoara, RO
172.104.98.56 AS63949 Akamai Connected Cloud 0.15ms from Tokyo, JP
142.115.80.248 AS577 Bell Canada 6.71ms from Toronto, CA
142.147.170.56 AS62874 Web2Objects LLC 0.34ms from Dallas, US
79.214.28.104 AS3320 Deutsche Telekom AG 6.48ms from Frankfurt am Main, DE
218.86.128.88 AS4134 CHINANET-BACKBONE 1.97ms from Guiyang, CN
27.109.171.8 AS4609 Companhia de Telecomunicacoes de Macau SARL 2.71ms from Hong Kong, HK
123.188.170.184 AS4837 CHINA UNICOM China169 Backbone 10.42ms from Liaoyang, CN
79.20.122.24 AS3269 Telecom Italia S.p.A. 5.33ms from Milan, IT
175.194.176.200 AS4766 Korea Telecom 2.33ms from Seoul, KR
101.89.158.72 AS4812 China Telecom (Group) 3.54ms from Shanghai, CN
60.65.75.40 AS17676 SoftBank Corp. 2.93ms from Tokyo, JP
77.239.208.56 AS8359 MTS PJSC 5.30ms from Yekaterinburg, RU

Traceroute

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

$
traceroute -a -n -q1 -f3 202.112.17.33
traceroute to 202.112.17.33 (202.112.17.33): 64 hops max, 52 byte packets
3 [AS749] 11.110.76.77 0.53 ms
4 *
5 *
7 *
9 [AS4538] 101.4.114.61 2.726 ms
10 *
11 [AS4538] 202.112.19.9 1.328 ms
12 [AS4538] 202.112.19.62 2.082 ms
13 [AS4538] 202.112.17.33 1.738 ms
Measurement taken from IPinfo ProbeNet in Guangzhou, CN
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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