202.112.160.0/20

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 202.112.0.0/15
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:         [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

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:         [email protected]
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:         [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 202.112.160.0/20

Range ASN Company Num of IPs
202.112.0.0/15 AS4538 China Education and Research Network 131,072

Nearby Ranges

BGP prefixes that overlap with 202.112.0.0/16

Range ASN Company Num of IPs
202.112.0.0/15 AS4538 China Education and Research Network 131,072

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

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

IP Address ASN Details
202.112.160.111 AS4538 China Education and Research Network Center 1.61ms from Beijing, CN
202.112.174.136 AS4538 China Education and Research Network Center 1.61ms from Beijing, CN
202.112.170.223 AS4538 China Education and Research Network Center 3.45ms 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
178.229.25.52 AS31615 Odido Netherlands B.V. 14.55ms from Amsterdam, NL
24.197.175.68 AS20115 Charter Communications LLC 8.19ms from Atlanta, US
156.213.92.228 AS8452 TE-AS 6.12ms from Cairo, EG
98.157.87.52 AS10796 Charter Communications Inc 17.44ms from Chicago, US
131.173.61.4 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 5.25ms from Hamburg, DE
47.244.112.36 AS45102 Alibaba (US) Technology Co., Ltd. 1.32ms from Hong Kong, HK
176.253.187.148 AS5607 Sky UK Limited 3.81ms from London, GB
88.121.171.4 AS12322 Free SAS 7.53ms from Paris, FR
74.125.88.132 AS15169 Google LLC 0.10ms from Santiago de Queretaro, MX
67.183.125.84 AS7922 Comcast Cable Communications, LLC 10.80ms from Seattle, US
175.233.62.84 AS4766 Korea Telecom 1.76ms from Seoul, KR
210.110.173.36 AS9691 KYUNGSUNG UNIVERSITY 7.39ms from Seoul, KR
31.163.10.20 AS12389 PJSC Rostelecom 5.62ms from Yekaterinburg, RU
123.7.87.52 AS4837 CHINA UNICOM China169 Backbone 7.17ms from Zhengzhou, CN
77.161.123.228 AS1136 KPN B.V. 1.50ms from Amsterdam, NL
191.59.53.196 AS4230 CLARO S.A. 19.65ms from Brasilia, BR
89.134.252.84 AS21334 One Hungary Ltd. 12.13ms from Budapest, HU
173.240.6.100 AS19693 Centrilogic, Inc. 0.26ms from Buffalo, US
172.245.238.244 AS136258 BrainStorm Network, Inc 0.82ms from Chicago, US
104.154.22.4 AS396982 Google LLC 0.11ms from Council Bluffs, US
216.251.1.196 AS11067 Panhandle Telecommunications Systems, INC. 9.25ms from Dallas, US
64.110.147.228 AS16360 Signalhorn Trusted Networks GmbH 10.91ms from Frankfurt am Main, DE
88.249.176.116 AS9121 Turk Telekomunikasyon Anonim Sirketi 2.37ms from Istanbul, TR
2.235.247.20 AS12874 Fastweb SpA 3.73ms from Milan, IT
23.44.191.196 AS16625 Akamai Technologies, Inc. 0.14ms from Osasco, BR

Traceroute

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

$
traceroute -a -n -q1 -f5 -m16 202.112.172.221
traceroute to 202.112.172.221 (202.112.172.221): 16 hops max, 52 byte packets
5 [AS8966] 5.195.70.166 107.904 ms
6 *
7 *
8 [] 123.255.91.118 185.997 ms
9 [AS4538] 101.4.114.181 320.638 ms
10 *
11 *
12 [AS4538] 101.4.116.126 272.937 ms
13 [AS4538] 202.112.5.122 310.03 ms
14 *
15 *
16 *
Measurement taken from IPinfo ProbeNet in Kuwait City, KW
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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