202.115.243.0/24

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 202.115.240.0/22
Registry APNIC
ID CERNET-CN

WHOIS Details

inetnum:        202.112.0.0 - 202.121.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
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:        origin AS4538
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:29Z
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 202.115.243.0/24

Range ASN Company Num of IPs
202.115.240.0/22 AS4538 China Education and Research Network 1,024
202.114.0.0/15 AS4538 China Education and Research Network 131,072
202.112.0.0/14 AS4538 China Education and Research Network 262,144
202.112.0.0/13 AS4538 China Education and Research Network 524,288

Nearby Ranges

BGP prefixes that overlap with 202.115.0.0/16

Range ASN Company Num of IPs
202.112.0.0/13 AS4538 China Education and Research Network 524,288
202.112.0.0/14 AS4538 China Education and Research Network 262,144
202.114.0.0/15 AS4538 China Education and Research Network 131,072
202.115.0.0/17 AS4538 China Education and Research Network 32,768
202.115.32.0/19 AS24355 China Education and Research Network 8,192
202.115.32.0/19 AS4538 China Education and Research Network 8,192
202.115.0.0/19 AS4538 China Education and Research Network 8,192
202.115.0.0/19 AS24355 China Education and Research Network 8,192
202.115.96.0/20 AS4538 China Education and Research Network 4,096
202.115.112.0/20 AS4538 China Education and Research Network 4,096
202.115.192.0/20 AS4538 China Education and Research Network 4,096
202.115.80.0/20 AS4538 China Education and Research Network 4,096
202.115.176.0/20 AS4538 China Education and Research Network 4,096
202.115.64.0/20 AS4538 China Education and Research Network 4,096
202.115.64.0/20 AS24355 China Education and Research Network 4,096
202.115.144.0/20 AS4538 China Education and Research Network 4,096
202.115.160.0/20 AS4538 China Education and Research Network 4,096
202.115.128.0/20 AS4538 China Education and Research Network 4,096
202.115.240.0/22 AS4538 China Education and Research Network 1,024
202.115.252.0/22 AS4538 China Education and Research Network 1,024
202.115.203.0/24 AS4538 China Education and Research Network 256
202.115.126.0/24 AS4538 China Education and Research Network 256
202.115.130.0/24 AS4538 China Education and Research Network 256
202.115.124.0/24 AS4538 China Education and Research Network 256
202.115.145.0/24 AS4538 China Education and Research Network 256
202.115.123.0/24 AS4538 China Education and Research Network 256
202.115.241.0/24 AS4538 China Education and Research Network 256
202.115.118.0/24 AS4538 China Education and Research Network 256
202.115.122.0/24 AS4538 China Education and Research Network 256
202.115.252.0/24 AS4538 China Education and Research Network 256
202.115.159.0/24 AS4538 China Education and Research Network 256
202.115.151.0/24 AS4538 China Education and Research Network 256
202.115.131.0/24 AS4538 China Education and Research Network 256
202.115.160.0/24 AS4538 China Education and Research Network 256
202.115.127.0/24 AS4538 China Education and Research Network 256
202.115.129.0/24 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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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
51.124.125.24 AS8075 Microsoft Corporation 1.36ms from Amsterdam, NL
100.6.6.152 AS701 Verizon Business 6.36ms from Ashburn, US
73.142.92.72 AS7922 Comcast Cable Communications, LLC 4.80ms from Boston, US
38.254.63.24 AS30567 Dickson Electric System 12.19ms from Chicago, US
24.155.59.136 AS7459 Grande Communications Networks, LLC 13.94ms from Dallas, US
109.133.92.120 AS5432 Proximus NV 4.72ms from Gravelines, FR
183.255.251.40 AS9808 China Mobile Communications Group Co., Ltd. 11.63ms from Guangzhou, CN
134.84.17.184 AS217 University of Minnesota 0.68ms from Minneapolis, US
167.58.235.184 AS6057 Administracion Nacional de Telecomunicaciones 1.77ms from Montevideo, UY
220.70.83.216 AS4766 Korea Telecom 1.22ms from Seoul, KR
121.99.98.216 AS9790 Two Degrees Networks Limited 3.21ms from Auckland, NZ
18.219.55.152 AS16509 Amazon.com, Inc. 0.13ms from Columbus, US
93.200.32.24 AS3320 Deutsche Telekom AG 3.87ms from Hamburg, DE
79.212.89.24 AS3320 Deutsche Telekom AG 3.48ms from Hamburg, DE
175.169.148.232 AS4837 CHINA UNICOM China169 Backbone 13.88ms from Liaoyang, CN
52.97.133.232 AS8075 Microsoft Corporation 0.79ms from London, GB
67.203.36.8 AS21769 Colocation America Corporation 0.17ms from Los Angeles, US
153.244.201.216 AS4713 NTT Communications Corporation 11.76ms from Osaka, JP
195.149.95.200 AS29445 Bazy i Systemy Bankowe Sp. z o.o. 4.62ms from Warsaw, PL
209.44.253.8 AS17306 JAB Wireless, INC. 11.55ms from Dallas, US
49.146.252.152 AS9299 Philippine Long Distance Telephone Company 13.40ms from Manila, PH
109.95.93.232 AS50247 ITCOMP sp. z o.o 5.39ms from Warsaw, PL
1.43.43.232 AS4804 Microplex PTY LTD 2.49ms from Melbourne, AU
106.241.29.8 AS3786 LG DACOM Corporation 2.78ms from Seoul, KR
115.3.0.56 AS4766 Korea Telecom 1.71ms from Seoul, KR

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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