202.112.7.0/24

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
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 202.112.7.0/24

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

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

IP Address ASN Details
202.112.7.2 AS4538 China Education and Research Network Center 3.48ms from Tianjin, 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
81.183.7.104 AS5483 Magyar Telekom Plc. 6.48ms from Budapest, HU
75.65.150.40 AS7922 Comcast Cable Communications, LLC 17.39ms from Dallas, US
83.186.120.136 AS1257 Tele2 Sverige AB 3.89ms from Falkenberg, SE
63.176.80.56 AS16509 Amazon.com, Inc. 0.19ms from Frankfurt am Main, DE
113.75.73.184 AS4134 CHINANET-BACKBONE 18.50ms from Haikou, CN
14.255.182.184 AS45899 VNPT Corp 4.69ms from Hanoi, VN
72.193.5.200 AS22773 Cox Communications Inc. 9.40ms from Los Angeles, US
75.168.110.72 AS209 CenturyLink Communications, LLC 1.98ms from Minneapolis, US
73.113.66.248 AS7922 Comcast Cable Communications, LLC 14.45ms from Murfreesboro, US
188.113.67.152 AS41164 GET Norway 8.78ms from Oslo, NO
176.179.33.72 AS5410 Bouygues Telecom SA 3.36ms from Paris, FR
39.75.167.104 AS4837 CHINA UNICOM China169 Backbone 6.64ms from Qingdao, CN
44.198.22.216 AS14618 Amazon.com, Inc. 0.15ms from Reston, US
126.69.227.168 AS17676 SoftBank Corp. 14.94ms from Tokyo, JP
87.208.196.24 AS50266 Odido Netherlands B.V. 2.81ms from Amsterdam, NL
176.135.8.56 AS5410 Bouygues Telecom SA 6.47ms from Aubervilliers, FR
115.69.186.40 AS55850 Mercury NZ Limited 1.22ms from Auckland, NZ
110.250.123.232 AS4837 CHINA UNICOM China169 Backbone 13.40ms from Beijing, CN
213.224.9.104 AS6848 Telenet BV 1.74ms from Brussels, BE
75.192.60.8 AS6167 Verizon Business 9.91ms from Chicago, US
79.239.219.248 AS3320 Deutsche Telekom AG 4.36ms from Hamburg, DE
193.147.167.248 AS766 RedIRIS Autonomous System 9.09ms from Lisbon, PT
165.120.173.232 AS2856 British Telecommunications PLC 7.67ms from London, GB
80.183.35.152 AS3269 Telecom Italia S.p.A. 5.27ms from Milan, IT
109.194.34.248 AS56981 JSC "ER-Telecom Holding" 4.55ms from Novosibirsk, 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 202.112.7.2
traceroute to 202.112.7.2 (202.112.7.2): 64 hops max, 52 byte packets
3 [AS749] 11.254.129.97 1.112 ms
4 [AS749] 11.62.83.161 1.052 ms
5 [AS749] 11.62.74.17 3.066 ms
8 *
9 *
10 *
11 [AS4538] 101.4.118.25 4.024 ms
12 *
13 [AS4538] 101.4.116.94 4.345 ms
14 *
15 *
16 [AS4538] 202.112.7.2 3.597 ms
Measurement taken from IPinfo ProbeNet in Tianjin, CN
On

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