202.200.140.0/23

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 202.200.0.0/13
Registry APNIC
ID XAR-CERNET

WHOIS Details

inetnum:        202.200.0.0 - 202.201.255.255
netname:        XAR-CERNET
descr:          China Education and Research Network
descr:          Xi'an Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ASSIGNED NON-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:  2021-03-24T13:04:50Z
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 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
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 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
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 202.200.140.0/23

Range ASN Company Num of IPs
202.200.0.0/13 AS4538 China Education and Research Network 524,288
202.192.0.0/12 AS4538 China Education and Research Network 1,048,576

Nearby Ranges

BGP prefixes that overlap with 202.200.0.0/16

Range ASN Company Num of IPs
202.192.0.0/12 AS4538 China Education and Research Network 1,048,576
202.200.0.0/13 AS4538 China Education and Research Network 524,288
202.200.80.0/20 AS4538 China Education and Research Network 4,096
202.200.32.0/20 AS4538 China Education and Research Network 4,096
202.200.144.0/20 AS4538 China Education and Research Network 4,096
202.200.96.0/20 AS4538 China Education and Research Network 4,096
202.200.112.0/20 AS4538 China Education and Research Network 4,096
202.200.224.0/20 AS4538 China Education and Research Network 4,096
202.200.64.0/20 AS4538 China Education and Research Network 4,096
202.200.176.0/20 AS4538 China Education and Research Network 4,096
202.200.48.0/20 AS4538 China Education and Research Network 4,096
202.200.208.0/20 AS4538 China Education and Research Network 4,096
202.200.240.0/20 AS4538 China Education and Research Network 4,096
202.200.168.0/21 AS4538 China Education and Research Network 2,048
202.200.16.0/21 AS4538 China Education and Research Network 2,048
202.200.200.0/21 AS4538 China Education and Research Network 2,048
202.200.0.0/21 AS4538 China Education and Research Network 2,048
202.200.8.0/22 AS4538 China Education and Research Network 1,024
202.200.12.0/22 AS4538 China Education and Research Network 1,024
202.200.64.0/24 AS4538 China Education and Research Network 256
202.200.31.0/24 AS4538 China Education and Research Network 256
202.200.41.0/24 AS4538 China Education and Research Network 256
202.200.29.0/24 AS4538 China Education and Research Network 256
202.200.28.0/24 AS4538 China Education and Research Network 256
202.200.200.0/24 AS4538 China Education and Research Network 256
202.200.81.0/24 AS4538 China Education and Research Network 256
202.200.32.0/24 AS4538 China Education and Research Network 256
202.200.37.0/24 AS4538 China Education and Research Network 256
202.200.96.0/24 AS4538 China Education and Research Network 256
202.200.42.0/24 AS4538 China Education and Research Network 256
202.200.35.0/24 AS4538 China Education and Research Network 256
202.200.36.0/24 AS4538 China Education and Research Network 256
202.200.94.0/24 AS4538 China Education and Research Network 256
202.200.80.0/24 AS4538 China Education and Research Network 256
202.200.43.0/24 AS4538 China Education and Research Network 256
202.200.48.0/24 AS4538 China Education and Research Network 256
202.200.255.0/24 AS4538 China Education and Research Network 256
202.200.112.0/24 AS4538 China Education and Research Network 256
202.200.38.0/24 AS4538 China Education and Research Network 256
202.200.34.0/24 AS4538 China Education and Research Network 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Pingable IPs

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

IP Address ASN Details
202.200.140.101 AS4538 China Education and Research Network Center 28.31ms from Zhongwei, 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
43.174.223.55 AS139341 ACE 0.11ms from Buenos Aires, AR
90.235.40.55 AS3301 Telia Company AB 9.27ms from Goeteborg, SE
37.106.222.55 AS25019 Saudi Telecom Company JSC 3.07ms from Jeddah, SA
213.203.155.199 AS3302 Retelit Digital Services S.p.A. 2.26ms from Rome, IT
117.196.44.103 AS9829 National Internet Backbone 10.17ms from Saint Thomas Mount, IN
117.205.123.55 AS9829 National Internet Backbone 11.87ms from Chennai, IN
96.59.200.135 AS33363 Charter Communications, Inc 11.69ms from Orlando, US
112.237.1.215 AS4837 CHINA UNICOM China169 Backbone 10.40ms from Qingdao, CN
183.92.159.151 AS4837 CHINA UNICOM China169 Backbone 5.46ms from Wuhan, CN
75.182.163.215 AS11426 Charter Communications Inc 7.62ms from Charlotte, US
75.182.202.231 AS11426 Charter Communications Inc 10.63ms from Charlotte, US
117.6.246.231 AS7552 Viettel Group 1.96ms from Hanoi, VN
74.110.147.119 AS701 Verizon Business 4.70ms from Ashburn, US
173.175.52.215 AS11427 Charter Communications Inc 4.90ms from Dallas, US
84.176.196.39 AS3320 Deutsche Telekom AG 8.99ms from Frankfurt am Main, DE
123.26.192.39 AS45899 VNPT Corp 2.82ms from Hanoi, VN
130.232.149.119 AS1741 CSC - Tieteen tietotekniikan keskus Oy 13.04ms from Helsinki, FI
46.20.109.135 AS147293 Nearoute Limited. 0.23ms from Hong Kong, HK
191.54.248.7 AS53006 ALGAR TELECOM S/A 4.70ms from Osasco, BR
163.174.121.247 AS56538 Blix Group AS 2.17ms from Oslo, NO
35.203.173.39 AS396982 Google LLC 0.14ms from The Dalles, US
89.78.143.55 AS9141 P4 Sp. z o.o. 10.57ms from Warsaw, PL
172.171.206.151 AS8075 Microsoft Corporation 0.60ms from Ashburn, US
18.195.122.55 AS16509 Amazon.com, Inc. 0.14ms from Frankfurt am Main, DE
87.193.251.199 AS20676 Plusnet GmbH 1.25ms from Frankfurt am Main, DE

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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