IP range details

2001:250:1e0d::/48

AS138377  ·  CERNET2 regional IX at Qinghai Normal University

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Summary

Country China
Domain cernet.edu.cn
ASN AS138377
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:         [email protected]
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 Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-11-18T00:26:28Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-08-15
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
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:         [email protected]
nic-hdl:        LX58-AP
notify:         [email protected]
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:         [email protected]
nic-hdl:        WJ67-AP
notify:         [email protected]
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:50Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 2001:250:1e0d::/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

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
79.118.94.80 AS8708 DIGI ROMANIA S.A. 2.52ms from Bacau, RO
223.119.76.48 AS58453 China Mobile International Limited 0.56ms from Frankfurt am Main, DE
27.77.220.32 AS7552 Viettel Group 4.00ms from Ho Chi Minh City, VN
5.65.123.48 AS5607 Sky UK Limited 13.07ms from London, GB
65.73.173.0 AS5650 Frontier Communications of America, Inc. 10.66ms from Los Angeles, US
5.224.200.112 AS12430 VODAFONE ESPANA S.A.U. 7.55ms from Madrid, ES
154.63.29.0 AS209087 Oeste Digital S.L. 5.28ms from Madrid, ES
180.9.112.80 AS4713 NTT DOCOMO BUSINESS,Inc. 7.09ms from Osaka, JP
68.121.105.32 AS7018 AT&T Enterprises, LLC 3.13ms from San Jose, US
104.25.72.160 AS13335 Cloudflare, Inc. 0.11ms from Wrocław, PL
105.109.24.208 AS36947 Telecom Algeria 11.40ms from Algiers, DZ
122.169.162.48 AS24560 Bharti Airtel Ltd., Telemedia Services 8.78ms from Delhi, IN
20.203.36.112 AS8075 Microsoft Corporation 1.30ms from Dubai, AE
4.207.244.176 AS8075 Microsoft Corporation 0.14ms from Dublin, IE
83.181.142.160 AS1257 Tele2 Sverige AB 3.88ms from Falkenberg, SE
63.178.29.16 AS16509 Amazon.com, Inc. 0.18ms from Frankfurt am Main, DE
45.11.202.128 AS58293 ALFA ILETISIM HIZMETLERI PAZARLAMA TICARET A.S. 13.38ms from Istanbul, TR
117.195.248.176 AS9829 National Internet Backbone 9.40ms from Kolkata, IN
151.95.124.176 AS1267 WIND TRE S.P.A. 7.34ms from Milan, IT
88.40.238.80 AS3269 Telecom Italia S.p.A. 7.18ms from Milan, IT
121.236.147.192 AS4134 CHINANET-BACKBONE 5.34ms from Nanjing, CN
176.197.26.192 AS39927 E-Light-Telecom Ltd. 6.04ms from Novosibirsk, RU
72.238.118.128 AS33363 Charter Communications, Inc 5.91ms from Orlando, US
112.225.209.160 AS4837 CHINA UNICOM China169 Backbone 1.15ms from Qingdao, CN
175.239.84.48 AS4766 Korea Telecom 6.60ms from Seoul, KR

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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