[ IP ]
103.28.21.51
#330,069Top IPs · 1M scope1 domain0 open ports
Overview
Top IPs list rank
- 1M
- #330,069(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Fri Jul 17 2026 09:25:58 GM
- Last seen
- Fri Jul 17 2026 09:25:58 GM
- PDNS hits (90 days)
- 3
- Country
- ID
- ASN
- AS56256
- Snapshot
- 1970-01-01
Network operated by Perpustakaan Nasional RI (PERPUSNAS-ID).
List rank history
2 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 103.28.21.51
- Netname
- PERPUSNAS-ID
- Organization
- Perpustakaan Nasional RI
- Country
- ID
- ASN
- AS56256
Full whois record
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '103.28.21.0 - 103.28.21.255' % Abuse contact for '103.28.21.0 - 103.28.21.255' is '[email protected]' inetnum: 103.28.21.0 - 103.28.21.255 netname: PERPUSNAS-ID descr: Perpustakaan Nasional RI descr: Government / Direct Member IDNIC descr: Jl. Salemba Raya No. 28A descr: Jakarta Pusat, 10430 country: ID admin-c: WT621-AP tech-c: WT621-AP remarks: Send Spam& Abuse Reports to [email protected] mnt-by: MNT-APJII-ID mnt-routes: MAINT-ID-PERPUSNAS mnt-irt: IRT-PERPUSNAS-ID status: ASSIGNED PORTABLE last-modified: 2017-01-09T07:38:26Z source: APNIC irt: IRT-PERPUSNAS-ID address: Perpustakaan Nasional RI address: Jl. Salemba Raya No. 28A address: Jakarta Pusat, 10430 e-mail: [email protected] abuse-mailbox: [email protected] admin-c: WT621-AP tech-c: WT621-AP auth: # Filtered mnt-by: MAINT-ID-PERPUSNAS last-modified: 2026-03-09T15:39:06Z source: APNIC person: Wiratna Tritawirasta address: National Library Of Indonesia address: Jl. Salemba Raya No. 28A address: Jakarta Pusat 10430 country: ID phone: +62-21-3103554 fax-no: +62-21-3103554 e-mail: [email protected] nic-hdl: WT621-AP mnt-by: MAINT-ID-PERPUSNAS last-modified: 2017-01-09T07:27:03Z source: APNIC % Information related to '103.28.21.0/24AS56256' route: 103.28.21.0/24 descr: Route Object for PNRI descr: Government Agency descr: Jakarta Pusat, 10430 origin: AS56256 country: ID mnt-by: MAINT-ID-PNRI last-modified: 2014-05-20T10:45:28Z source: APNIC % Information related to '103.28.21.0 - 103.28.21.255' inetnum: 103.28.21.0 - 103.28.21.255 netname: PERPUSNAS-ID descr: Perpustakaan Nasional RI descr: Government / Direct Member IDNIC descr: Jl. Salemba Raya No. 28A descr: Jakarta Pusat, 10430 country: ID admin-c: WT621-AP tech-c: WT621-AP remarks: Send Spam& Abuse Reports to [email protected] mnt-by: MNT-APJII-ID mnt-routes: MAINT-ID-PERPUSNAS mnt-irt: IRT-PERPUSNAS-ID status: ASSIGNED PORTABLE last-modified: 2017-01-09T07:38:26Z source: IDNIC irt: IRT-PERPUSNAS-ID address: Perpustakaan Nasional RI address: Jl. Salemba Raya No. 28A address: Jakarta Pusat, 10430 e-mail: [email protected] abuse-mailbox: [email protected] admin-c: WT621-AP tech-c: WT621-AP auth: # Filtered mnt-by: MAINT-ID-PERPUSNAS last-modified: 2017-01-09T07:26:21Z source: IDNIC person: Wiratna Tritawirasta address: National Library Of Indonesia address: Jl. Salemba Raya No. 28A address: Jakarta Pusat 10430 country: ID phone: +62-21-3103554 fax-no: +62-21-3103554 e-mail: [email protected] nic-hdl: WT621-AP mnt-by: MAINT-ID-PERPUSNAS last-modified: 2017-01-09T07:27:03Z source: IDNIC % Information related to '103.28.21.0/24AS56256' route: 103.28.21.0/24 descr: Route Object for PNRI descr: Government Agency descr: Jakarta Pusat, 10430 origin: AS56256 country: ID mnt-by: MAINT-ID-PNRI last-modified: 2014-05-20T10:45:28Z source: IDNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)
Open ports — 103.28.21.51
No open ports detected across 8 probed ports (last scan 16d ago).