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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS24371
Registry	APNIC
ID	CNGI-CERNET2-CN-20031110

WHOIS Details

inet6num:       2001:da8::/32
netname:        CNGI-CERNET2-CN-20031110
descr:          China Next Generation Internet CERNET2
descr:          CNGI-CERNET
descr:          Beijing 100084, China
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:55:18Z
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

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 2001:da8:b004::/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

Read more

Pingable IPs

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

IP Address	ASN	Details
2001:da8:b004:8001::26	AS24371 CERNET2 IX at Jilin University	`19.07ms` from Liaoyang, 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
45.202.151.144	AS136907 HUAWEI CLOUDS	`1.08ms` from Hong Kong, HK
159.255.10.208	AS41789 LLC Teledyne Systems Limited	`10.16ms` from Khabarovsk, RU
153.185.209.80	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.55ms` from Tokyo, JP
3.220.164.240	AS14618 Amazon.com, Inc.	`0.76ms` from Ashburn, US
108.207.25.112	AS7018 AT&T Enterprises, LLC	`5.89ms` from Atlanta, US
61.3.97.176	AS9829 National Internet Backbone	`15.42ms` from Bengaluru, IN
78.92.193.224	AS5483 Magyar Telekom Plc.	`1.32ms` from Budapest, HU
36.158.106.192	AS56047 China Mobile communications corporation	`8.30ms` from Changsha, CN
122.162.174.64	AS24560 Bharti Airtel Ltd., Telemedia Services	`14.64ms` from Chennai, IN
14.228.33.112	AS45899 VNPT Corp	`6.16ms` from Hanoi, VN
61.239.228.144	AS9269 Hong Kong Broadband Network Ltd.	`1.09ms` from Hong Kong, HK
60.173.199.160	AS4134 CHINANET-BACKBONE	`6.36ms` from Huai'an, CN
20.203.209.160	AS8075 Microsoft Corporation	`0.20ms` from Kloten, CH
139.170.147.16	AS4837 CHINA UNICOM China169 Backbone	`5.84ms` from Lanzhou, CN
86.148.7.96	AS2856 British Telecommunications PLC	`2.90ms` from London, GB
113.61.33.240	AS18190 SunValley New Oriental	`0.69ms` from Manila, PH
151.84.27.240	AS1267 WIND TRE S.P.A.	`2.17ms` from Milan, IT
37.186.215.64	AS12874 Fastweb SpA	`2.06ms` from Milan, IT
79.16.168.144	AS3269 Telecom Italia S.p.A.	`5.34ms` from Milan, IT
186.75.56.80	AS11556 Cable & Wireless Panama	`1.63ms` from Panama, PA
74.67.144.32	AS11351 Charter Communications Inc	`13.52ms` from Secaucus, US
13.239.19.16	AS16509 Amazon.com, Inc.	`0.76ms` from Sydney, AU
60.96.185.16	AS17676 SoftBank Corp.	`3.31ms` from Tokyo, JP
36.44.228.64	AS4134 CHINANET-BACKBONE	`1.79ms` from Xi'an, CN
208.77.252.80	AS40068 Neovera, Inc.	`1.58ms` from Ashburn, US

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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