IP range details

2001:250:4027::/48

AS24358  ·  CERNET2 IX at Huazhong University of Science and Technology

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Summary

Country China
Domain cernet.edu.cn
ASN AS24358
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 2001:250:4027::/48

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
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
2001:250:4027::1 AS24358 CERNET2 IX at Huazhong University of Science and Technology 16.96ms from Chenzhou, 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
108.209.185.224 AS7018 AT&T Enterprises, LLC 13.30ms from Atlanta, US
3.252.145.96 AS16509 Amazon.com, Inc. 0.42ms from Dublin, IE
190.123.203.0 AS266195 ERIC BG COMUNICACAO MULTIMIDIA - ME 10.77ms from Fortaleza, BR
14.85.243.144 AS4766 Korea Telecom 6.07ms from Incheon, KR
1.233.65.192 AS9318 SK Broadband Co Ltd 1.26ms from Incheon, KR
39.37.225.80 AS17557 Pakistan Telecommunication Company Limited 13.55ms from Islamabad, PK
92.58.74.32 AS12479 Orange Espagne SA 8.00ms from Madrid, ES
120.116.22.208 AS1659 Taiwan Academic Network (TANet) Information Center 6.92ms from Taichung, TW
219.85.51.16 AS18182 Sony Network Taiwan Limited 2.07ms from Taipei, TW
113.44.136.128 AS55990 Huawei Cloud Service data center 3.58ms from Tianjin, CN
5.166.34.176 AS51604 JSC ER-Telecom Holding 12.61ms from Yekaterinburg, RU
75.58.45.128 AS7018 AT&T Enterprises, LLC 4.08ms from Atlanta, US
217.66.49.144 AS20546 SOPRADO GmbH 9.59ms from Berlin, DE
119.50.32.240 AS4837 CHINA UNICOM China169 Backbone 6.63ms from Changchun, CN
208.56.207.0 AS393841 Epic Hosting, LLC 4.90ms from Chicago, US
76.187.157.96 AS11427 Charter Communications Inc 12.66ms from Dallas, US
67.140.99.80 AS7029 Windstream Communications LLC 13.06ms from Dallas, US
102.119.113.192 AS23889 Mauritius Telecom Ltd 2.89ms from Ebene, MU
18.153.66.144 AS16509 Amazon.com, Inc. 0.10ms from Frankfurt am Main, DE
84.140.206.16 AS3320 Deutsche Telekom AG 5.04ms from Frankfurt am Main, DE
118.222.169.192 AS9318 SK Broadband Co Ltd 6.20ms from Incheon, KR
200.17.143.16 AS1916 Rede Nacional de Ensino e Pesquisa 6.84ms from Joao Pessoa, BR
72.134.49.16 AS20001 Charter Communications Inc 5.05ms from Los Angeles, US
162.93.195.176 AS6949 Charles Schwab & Co., Inc. 10.01ms from Los Angeles, US
176.168.171.96 AS5410 Bouygues Telecom SA 4.49ms from Marseille, FR

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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