[ IP ]
121.251.249.56
#166,110Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #166,110(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Last seen
- Mon Aug 03 2026 00:38:57 GM
- PDNS hits (90 days)
- 10
- Country
- CN
- ASN
- AS4538
- Snapshot
- 1970-01-01
Network operated by China Education and Research Network (NJR-CERNET).
List rank history
3 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 121.251.249.56
- Netname
- NJR-CERNET
- Organization
- China Education and Research Network
- Country
- CN
- ASN
- AS4538
Full whois record
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '121.248.0.0 - 121.251.255.255' % Abuse contact for '121.248.0.0 - 121.251.255.255' is '[email protected]' inetnum: 121.248.0.0 - 121.251.255.255 netname: NJR-CERNET descr: China Education and Research Network descr: Nanjing Regional Network country: CN admin-c: CER-AP tech-c: CER-AP abuse-c: AC1685-AP status: ALLOCATED PORTABLE remarks: origin AS4538 remarks: confederation remarks: -------------------------------------------------------- remarks: To report network abuse, please contact mnt-irt remarks: For troubleshooting, please contact tech-c and admin-c remarks: Report invalid contact via www.apnic.net/invalidcontact remarks: -------------------------------------------------------- mnt-by: APNIC-HM mnt-lower: MAINT-CERNET-AP mnt-routes: MAINT-CERNET-AP mnt-irt: IRT-CERNET-AP last-modified: 2020-09-03T09:15:58Z 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: [email protected] abuse-mailbox: [email protected] admin-c: CER-AP tech-c: CER-AP auth: # Filtered remarks: timezone GMT+8 remarks: [email protected] was validated on 2026-03-05 mnt-by: MAINT-CERNET-AP last-modified: 2026-05-25T09:07:47Z 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: [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 2026-03-05 abuse-mailbox: [email protected] 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: [email protected] remarks: [email protected] 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 % Information related to '121.250.0.0/15AS4538' route: 121.250.0.0/15 descr: CERNET origin: AS4538 mnt-by: MAINT-CERNET-AP last-modified: 2009-01-05T03:10:57Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)
Open ports — 121.251.249.56
Port scan not run for 121.251.249.56 yet. Probes are queued from passive DNS IPs in the worker pipeline.