IP range details

2001:250:2c07::/48

AS138381  ·  CERNET2 regional IX at Guizhou University

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Summary

Country China
Domain cernet.edu.cn
ASN AS138381
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 2001:250:2c07::/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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
31.209.95.144 AS50629 LWLcom GmbH 0.41ms from Frankfurt am Main, DE
91.254.48.96 AS1267 WIND TRE S.P.A. 11.10ms from Frosinone, IT
42.117.173.112 AS18403 FPT Telecom Company 1.51ms from Ho Chi Minh City, VN
180.243.160.96 AS7713 PT Telekomunikasi Indonesia 16.66ms from Jakarta, ID
34.34.201.160 AS396982 Google LLC 0.40ms from Las Vegas, US
35.154.0.80 AS16509 Amazon.com, Inc. 0.12ms from Mumbai, IN
73.35.57.64 AS7922 Comcast Cable Communications, LLC 7.67ms from Orlando, US
148.72.72.192 AS26496 GoDaddy.com, LLC 1.12ms from Phoenix, US
85.70.94.240 AS5610 O2 Czech Republic, a.s. 5.86ms from Prague, CZ
27.212.26.64 AS4837 CHINA UNICOM China169 Backbone 5.67ms from Qingdao, CN
202.14.156.112 AS17434 RESERVE BANK OF AUSTRALIA 1.84ms from Sydney, AU
161.253.10.240 AS11039 The George Washington University 1.62ms from Ashburn, US
83.212.88.96 AS12364 University of Macedonia, Economic and Social Sciences 9.42ms from Athens, GR
34.140.57.208 AS396982 Google LLC 0.14ms from Brussels, BE
34.81.5.144 AS396982 Google LLC 0.14ms from Chang-hua, TW
73.26.212.208 AS7922 Comcast Cable Communications, LLC 12.63ms from Denver, US
213.89.177.160 AS1257 Tele2 Sverige AB 9.92ms from Falkenberg, SE
85.216.62.176 AS3209 Vodafone GmbH 8.66ms from Frankfurt am Main, DE
98.45.151.240 AS7922 Comcast Cable Communications, LLC 1.46ms from Fremont, US
182.182.16.224 AS17557 Pakistan Telecommunication Company Limited 6.53ms from Karachi, PK
18.130.178.48 AS16509 Amazon.com, Inc. 0.16ms from London, GB
69.107.253.160 AS7018 AT&T Enterprises, LLC 1.71ms from Los Angeles, US
80.105.104.0 AS3269 Telecom Italia S.p.A. 0.81ms from Milan, IT
111.12.69.112 AS9808 China Mobile Communications Group Co., Ltd. 4.82ms from Nanning, CN
201.61.27.160 AS27699 TELEFÔNICA BRASIL S.A 1.06ms from Osasco, BR

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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