IP range details

2001:250:102d::/48

AS24353  ·  CERNET2 IX at Xi'an Jiaotong University

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Summary

Country China
Domain cernet.edu.cn
ASN AS24353
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 2001:250:102d::/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

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

IP Address ASN Details
2001:250:102d::2 AS24353 CERNET2 IX at Xi'an Jiaotong University 18.18ms from Chengdu, 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
71.201.20.112 AS7922 Comcast Cable Communications, LLC 7.13ms from Chicago, US
89.0.226.224 AS8422 NetCologne Gesellschaft fur Telekommunikation mbH 3.12ms from Duesseldorf, DE
117.214.239.144 AS9829 National Internet Backbone 9.27ms from Kolkata, IN
70.181.207.176 AS22773 Cox Communications Inc. 7.10ms from Los Angeles, US
187.46.180.176 AS26615 TIM S/A 0.99ms from Rio de Janeiro, BR
78.11.64.176 AS12741 Netia SA 0.69ms from Warsaw, PL
134.58.243.64 AS2611 BELNET 0.95ms from Brussels, BE
130.131.27.96 AS8075 Microsoft Corporation 0.56ms from Chicago, US
63.183.88.80 AS16509 Amazon.com, Inc. 0.14ms from Frankfurt am Main, DE
223.32.93.176 AS9644 SK Telecom 2.36ms from Incheon, KR
103.112.183.176 AS17511 OPTAGE Inc. 1.66ms from Osaka, JP
27.206.19.192 AS4837 CHINA UNICOM China169 Backbone 10.39ms from Qingdao, CN
13.216.80.240 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
5.152.245.32 AS12874 Fastweb SpA 2.62ms from Rome, IT
119.109.110.16 AS4837 CHINA UNICOM China169 Backbone 7.90ms from Tieling, CN
153.248.13.0 AS4713 NTT DOCOMO BUSINESS,Inc. 17.81ms from Tokyo, JP
75.212.21.96 AS6167 Verizon Business 15.60ms from Dallas, US
51.7.91.240 AS6871 Plusnet 5.22ms from Erith, GB
141.133.103.192 AS202656 Ivanov Vitaliy Sergeevich 0.16ms from Frankfurt am Main, DE
77.189.149.224 AS6805 Telefonica Germany GmbH & Co.OHG 2.44ms from Frankfurt am Main, DE
218.156.209.96 AS4766 Korea Telecom 8.00ms from Incheon, KR
123.111.227.128 AS9318 SK Broadband Co Ltd 6.80ms from Incheon, KR
78.150.66.160 AS13285 TalkTalk Communications Limited 2.35ms from London, GB
86.13.147.128 AS5089 Virgin Media Limited 4.99ms from London, GB
185.232.238.64 AS204958 KT Solutions S.r.l.s 0.71ms from Milan, IT

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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