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
219.243.224.0/19 219.243.224.0 219.243.255.255 8192
219.244.0.0/14 219.244.0.0 219.247.255.255 262144
222.16.0.0/12 222.16.0.0 222.31.255.255 1048576
222.192.0.0/12 222.192.0.0 222.207.255.255 1048576
223.128.0.0/15 223.128.0.0 223.129.255.255 131072
223.2.0.0/15 223.2.0.0 223.3.255.255 131072
42.244.0.0/16 42.244.0.0 42.244.255.255 65536
42.245.0.0/17 42.245.0.0 42.245.127.255 32768
42.245.128.0/18 42.245.128.0 42.245.191.255 16384
42.246.0.0/15 42.246.0.0 42.247.255.255 131072
49.120.0.0/14 49.120.0.0 49.123.255.255 262144
49.140.0.0/15 49.140.0.0 49.141.255.255 131072
49.208.0.0/15 49.208.0.0 49.209.255.255 131072
49.52.0.0/14 49.52.0.0 49.55.255.255 262144
58.154.0.0/15 58.154.0.0 58.155.255.255 131072
58.192.0.0/12 58.192.0.0 58.207.255.255 1048576
59.64.0.0/12 59.64.0.0 59.79.255.255 1048576

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