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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS143908
Registry	APNIC
ID	FITI-SLICE

WHOIS Details

inet6num:       240a:a4ea::/32
netname:        FITI-SLICE
descr:          FITI Slices
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2023-09-05T08:35:59Z
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 240a:a4ea::/32

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

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

IP Address	ASN	Details
240a:a4ea:22::1	AS143908 China Education and Research Network (CERNET)	`50.39ms` from Hong Kong, HK
240a:a4ea:29::1	AS143908 China Education and Research Network (CERNET)	`42.46ms` from Hong Kong, HK
240a:a4ea:4::1	AS143908 China Education and Research Network (CERNET)	`63.04ms` from Hong Kong, HK
240a:a4ea:34::1	AS143908 China Education and Research Network (CERNET)	`77.14ms` from Hong Kong, HK

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
54.84.219.224	AS14618 Amazon.com, Inc.	`0.49ms` from Ashburn, US
172.172.225.32	AS8075 Microsoft Corporation	`0.61ms` from Ashburn, US
114.249.233.240	AS4808 China Unicom Beijing Province Network	`3.35ms` from Beijing, CN
87.159.128.192	AS3320 Deutsche Telekom AG	`1.77ms` from Berlin, DE
190.6.182.128	AS27845 Empresa de Recursos Tecnologicos S.A E.S.P	`8.53ms` from Bogotá, CO
81.83.105.112	AS6848 Telenet BV	`5.30ms` from Brussels, BE
45.246.134.96	AS24863 Link Egypt (Link.NET)	`8.84ms` from Cairo, EG
90.49.235.112	AS3215 Orange S.A.	`10.39ms` from Saint-Denis, FR
23.184.64.0	AS32267 Willoweb, LLC	`0.54ms` from San Jose, US
126.89.113.128	AS17676 SoftBank Corp.	`2.80ms` from Tokyo, JP
92.66.123.240	AS1136 KPN B.V.	`0.49ms` from Amsterdam, NL
143.42.142.224	AS63949 Akamai Connected Cloud	`0.39ms` from Atlanta, US
51.89.118.48	AS16276 OVH SAS	`0.09ms` from Frankfurt am Main, DE
93.227.90.176	AS3320 Deutsche Telekom AG	`7.86ms` from Frankfurt am Main, DE
37.207.109.128	AS3269 Telecom Italia S.p.A.	`2.36ms` from Milan, IT
107.4.221.144	AS7922 Comcast Cable Communications, LLC	`6.69ms` from Minneapolis, US
58.70.253.160	AS17511 OPTAGE Inc.	`2.71ms` from Osaka, JP
153.194.167.192	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.76ms` from Osaka, JP
51.91.114.0	AS16276 OVH SAS	`0.08ms` from Roubaix, FR
61.3.16.96	AS9829 National Internet Backbone	`16.22ms` from Saint Thomas Mount, IN
221.162.114.224	AS4766 Korea Telecom	`1.69ms` from Seoul, KR
220.143.7.16	AS3462 Data Communication Business Group	`5.20ms` from Taichung, TW
61.222.46.32	AS3462 Data Communication Business Group	`0.99ms` from Taipei, TW
171.15.93.192	AS4134 CHINANET-BACKBONE	`9.16ms` from Zhengzhou, CN
20.95.81.0	AS8075 Microsoft Corporation	`0.31ms` from Amsterdam, NL

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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