IP range details

2001:250:5071::/48

AS24361  ·  CERNET2 IX at Southeast University

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Summary

Country China
Domain cernet.edu.cn
ASN AS24361
Registry APNIC
ID CERNET-CN-20000426

WHOIS Details

inet6num:       2001:250::/32
netname:        CERNET-CN-20000426
descr:          CERNET IPv6 Backbone
country:        CN
admin-c:        WJ67-AP
tech-c:         LX58-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
notify:         xing@cernet.edu.cn
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:55:16Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Center,
address:        FIT-3-220, 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:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-03-05T06:39:56Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, 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 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
source:         APNIC

person:         Li Xing
address:        China Education and Research Network
address:        China Education and Research Network Center
address:        Tsinghua University
address:        Beijing, 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         xing@cernet.edu.cn
nic-hdl:        LX58-AP
notify:         address-allocation-staff@net.edu.cn
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:50Z
source:         APNIC

person:         Wu Jianping
address:        China Education and Research Network
address:        China Education and Research Network Center
address:        Tsinghua University
address:        Beijing, 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         jianping@cernet.edu.cn
nic-hdl:        WJ67-AP
notify:         address-allocation-staff@net.edu.cn
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:50Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 2001:250:5071::/48

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Pingable IPs

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

IP Address ASN Details
2001:250:5071:eeee::1002 AS24361 CERNET2 IX at Southeast University 17.17ms from Hangzhou, 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
54.81.155.96 AS14618 Amazon.com, Inc. 0.53ms from Ashburn, US
86.157.70.208 AS2856 British Telecommunications PLC 9.26ms from Erith, GB
132.230.8.16 AS553 BelWue-Koordination 4.24ms from Frankfurt am Main, DE
92.143.9.32 AS3215 Orange S.A. 8.46ms from Marseille, FR
158.110.229.144 AS137 Consortium GARR 5.76ms from Milan, IT
180.123.70.128 AS4134 CHINANET-BACKBONE 7.61ms from Nanjing, CN
52.46.70.48 AS16509 Amazon.com, Inc. 0.45ms from Paris, FR
39.90.149.48 AS4837 CHINA UNICOM China169 Backbone 7.47ms from Qingdao, CN
107.129.162.128 AS7018 AT&T Enterprises, LLC 2.69ms from San Jose, US
119.148.155.144 AS18313 LG HelloVision Corp. 1.33ms from Seoul, KR
54.179.106.112 AS16509 Amazon.com, Inc. 0.16ms from Singapore, SG
186.170.17.208 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 3.10ms from Bogota, CO
73.234.178.96 AS7922 Comcast Cable Communications, LLC 8.82ms from Boston, US
109.132.197.128 AS5432 Proximus NV 3.18ms from Brussels, BE
107.12.153.144 AS11426 Charter Communications Inc 16.31ms from Charlotte, US
52.15.37.112 AS16509 Amazon.com, Inc. 0.17ms from Columbus, US
18.116.139.208 AS16509 Amazon.com, Inc. 0.19ms from Columbus, US
16.79.176.0 AS16509 Amazon.com, Inc. 0.12ms from Jakarta, ID
103.121.18.144 AS63859 PT. Eka Mas Republik 0.47ms from Jakarta, ID
86.168.67.80 AS2856 British Telecommunications PLC 2.56ms from London, GB
81.150.11.144 AS2856 British Telecommunications PLC 1.98ms from London, GB
188.94.42.112 AS49375 No One Internet Ltd 3.38ms from London, GB
84.39.178.240 AS15704 XTRA TELECOM S.A. 1.96ms from Madrid, ES
178.34.59.80 AS12389 PJSC Rostelecom 17.78ms from Moscow, RU
104.131.8.128 AS14061 DigitalOcean, LLC 0.28ms from New York City, US

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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