IP range details

2001:250:507c::/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 2001:250:507c::/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
56.136.190.160 AS8987 Amazon Data Services Ireland Ltd 0.38ms from Boardman, US
97.242.23.240 AS6167 Verizon Business 10.16ms from Chicago, US
207.199.236.0 AS5056 Aureon Network Services 2.42ms from Des Moines, US
113.77.55.32 AS4134 CHINANET-BACKBONE 2.57ms from Guangzhou, CN
222.254.108.48 AS45899 VNPT Corp 5.76ms from Hanoi, VN
194.44.204.80 AS3255 UARNet-Eksintech 3.61ms from Khmelnytskyi, UA
142.129.183.128 AS20001 Charter Communications Inc 9.02ms from Los Angeles, US
66.254.52.80 AS1403 EBOX 1.50ms from Montreal, CA
173.3.42.64 AS6128 Cablevision Systems Corp. 7.66ms from New York City, US
2.49.234.192 AS5384 Emirates Internet 3.84ms from Al Fujairah City, AE
185.231.203.48 AS48635 Your Hosting B.V. 0.58ms from Amsterdam, NL
173.95.162.32 AS11426 Charter Communications Inc 8.55ms from Charlotte, US
75.192.84.176 AS6167 Verizon Business 10.35ms from Chicago, US
89.194.154.160 AS8011 MongoDB, Inc. 0.09ms from Columbus, US
119.157.226.80 AS17557 Pakistan Telecommunication Company Limited 6.66ms from Islamabad, PK
79.104.39.0 AS3216 PJSC Vimpelcom 0.38ms from Khabarovsk, RU
91.254.50.192 AS1267 WIND TRE S.P.A. 9.85ms from Rome, IT
52.225.97.128 AS8075 Microsoft Corporation 0.60ms from San Jose, US
14.52.26.240 AS4766 Korea Telecom 1.49ms from Seoul, KR
162.128.71.16 AS62610 Zenlayer Inc 1.10ms from Singapore, SG
101.78.98.80 AS9506 Singtel Fibre Broadband 1.33ms from Singapore, SG
193.43.136.240 AS203210 "SZYBKI-NET S. BAJOR L. SIWIK Z. WIECZOREK" SPOLKA JAWNA 3.52ms from Warsaw, PL
94.152.62.144 AS29522 Cyber_Folks S.A. 4.75ms from Warsaw, PL
174.168.0.160 AS7922 Comcast Cable Communications, LLC 3.36ms from Boston, US
181.93.18.240 AS7303 Telecom Argentina S.A. 1.67ms from Buenos Aires, AR

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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