Autonomous System Number 4538 : ERX-CERNET-BKB (China)

🖥 Autonomous System Number 4538 : ERX-CERNET-BKB (China)

The autonomous system number: AS4538 is managed by the ERX-CERNET-BKB agency under the China, and the specific content can be found in the details below. This data was updated on: 2024-03-22T14:17:34.

China (CN) IP Address
IP Network - AS4538
Address Range: AS4538
Network Name: ERX-CERNET-BKB
Country: CN - China ( CN )
Events: registrationlast changed
ClassName: autnum
Remarks:
Description: China Education and Research Network Center
Tsinghua University
Beijing 100084
Remarks: China Education and Research Network Center
Tsinghua University
Beijing 100084
This aut-num object created as part of
the ER-Transfer from ARIN
Notices:
Source: Objects returned came from source
APNIC
Terms And Conditions: Objects returned came from source
APNIC
This is the APNIC WHOIS Database query service. The objects are in RDAP format.
http://www.apnic.net/db/dbcopyright.html ( Terms-of-service )
Whois Inaccuracy Reporting: Objects returned came from source
APNIC
This is the APNIC WHOIS Database query service. The objects are in RDAP format.
If you see inaccuracies in the results, please visit:
https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form ( Inaccuracy-report )
Status: Active
Links: https://rdap.apnic.net/autnum/4538 ( Self )
https://netox.apnic.net/search/AS4538?utm_source=rdap&utm_medium=result&utm_campaign=rdap_result ( Related )
Whois Server: whois.apnic.net
Conformance: history_version_0, nro_rdap_profile_0, nro_rdap_profile_asn_hierarchical_0, cidr0, rdap_level_0

entity- JW410-AP
Handle: JW410-AP
Roles: Administrative, Technical
Events: registration : 2008-09-04T07:29:20Z
last changed : 2008-09-04T07:29:20Z
Remarks:
Remarks: This person object created as part of the ER-Transfer from ARIN
Links: https://rdap.apnic.net/entity/JW410-AP ( Self )
Version: 4.0
Name: Jianping Wu
kind: Individual
Address: China Education and Research Network Center Tsinghua University Beijing 100084
Phone: +86-10-2595931
Email: jianping@CERNET.EDU.CN

entity- IRT-CERNET-AP
Handle: IRT-CERNET-AP
Roles: Abuse
Events: registration : 2010-11-26T03:14:01Z
last changed : 2023-12-14T03:44:39Z
Remarks:
Remarks: timezone GMT+8
http://www.ccert.edu.cn
abuse@cernet.edu.cn was validated on 2023-12-14
Links: https://rdap.apnic.net/entity/IRT-CERNET-AP ( Self )
Version: 4.0
Name: IRT-CERNET-AP
kind: Group
Address: Network Research Center, Main Bldg, Tsinghua Univ Beijing 100084, China
Phone: +86-10-62785933
Email: abuse@cernet.edu.cn

🖥 The IP segment included in the autonomous number AS4538

The following is the autonomous system number: the IP address segment contained in AS4538, including the starting IP, and the number of IPs in each segment;

Network Start IP End IP Number of IP
1.184.0.0/15 1.184.0.0 1.185.255.255 131072
1.51.0.0/16 1.51.0.0 1.51.255.255 65536
101.4.0.0/14 101.4.0.0 101.7.255.255 262144
101.76.0.0/15 101.76.0.0 101.77.255.255 131072
103.137.60.0/24 103.137.60.0 103.137.60.255 256
103.165.110.0/23 103.165.110.0 103.165.111.255 512
103.252.172.0/22 103.252.172.0 103.252.175.255 1024
103.31.48.0/22 103.31.48.0 103.31.51.255 1024
110.64.0.0/15 110.64.0.0 110.65.255.255 131072
111.114.0.0/15 111.114.0.0 111.115.255.255 131072
111.116.0.0/15 111.116.0.0 111.117.255.255 131072
111.186.0.0/15 111.186.0.0 111.187.255.255 131072
113.54.0.0/15 113.54.0.0 113.55.255.255 131072
114.212.0.0/15 114.212.0.0 114.213.255.255 131072
114.214.0.0/16 114.214.0.0 114.214.255.255 65536
115.154.0.0/15 115.154.0.0 115.155.255.255 131072
115.156.0.0/15 115.156.0.0 115.157.255.255 131072
115.158.0.0/16 115.158.0.0 115.158.255.255 65536
115.24.0.0/14 115.24.0.0 115.27.255.255 262144
116.13.0.0/16 116.13.0.0 116.13.255.255 65536
116.56.0.0/15 116.56.0.0 116.57.255.255 131072
118.202.0.0/15 118.202.0.0 118.203.255.255 131072
118.228.0.0/16 118.228.0.0 118.228.255.255 65536
118.229.0.0/19 118.229.0.0 118.229.31.255 8192
118.229.128.0/17 118.229.128.0 118.229.255.255 32768
118.229.32.0/21 118.229.32.0 118.229.39.255 2048
118.229.44.0/22 118.229.44.0 118.229.47.255 1024
118.229.48.0/20 118.229.48.0 118.229.63.255 4096
118.229.64.0/18 118.229.64.0 118.229.127.255 16384
118.230.0.0/16 118.230.0.0 118.230.255.255 65536
120.94.0.0/15 120.94.0.0 120.95.255.255 131072
121.192.0.0/14 121.192.0.0 121.195.255.255 262144
121.248.0.0/15 121.248.0.0 121.249.255.255 131072
121.250.0.0/16 121.250.0.0 121.250.255.255 65536
121.251.1.0/24 121.251.1.0 121.251.1.255 256
121.251.128.0/18 121.251.128.0 121.251.191.255 16384
121.251.16.0/20 121.251.16.0 121.251.31.255 4096
121.251.192.0/19 121.251.192.0 121.251.223.255 8192
121.251.2.0/23 121.251.2.0 121.251.3.255 512
121.251.224.0/21 121.251.224.0 121.251.231.255 2048
121.251.235.0/24 121.251.235.0 121.251.235.255 256
121.251.236.0/22 121.251.236.0 121.251.239.255 1024
121.251.240.0/20 121.251.240.0 121.251.255.255 4096
121.251.32.0/19 121.251.32.0 121.251.63.255 8192
121.251.4.0/22 121.251.4.0 121.251.7.255 1024
121.251.64.0/18 121.251.64.0 121.251.127.255 16384
121.251.8.0/21 121.251.8.0 121.251.15.255 2048
121.48.0.0/15 121.48.0.0 121.49.255.255 131072
121.52.160.0/19 121.52.160.0 121.52.191.255 8192
122.204.0.0/14 122.204.0.0 122.207.255.255 262144

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