IP Address Information For 192.51.251.21
IP address information can vary in different details, from the IP's server and datacenters, WHOIS information, all the way to geolocation and longitude/latitude coordinates, and
goes all the way to the IP address' network organization, IP ranges, appearance in DNSBL blacklists, and more.
In this page we have collected a sample of information for the IP address 192.51.251.21.
if you have any comments on the information shown in this page, feel free to contact us.
General information:
- IP Address: 192.51.251.21
- DNS Hostname (PTR Record): No Hostname
- DNS Nameservers: arin.authdns.ripe.net, r.arin.net, u.arin.net, x.arin.net, y.arin.net, z.arin.net
- DNS Zone: 192.in-addr.arpa
- Network route: 192.51.251.0/24
- Network owner: Internet Initiative Japan Inc.
- ASN #: 2497
- Part of range: 192.51.251.0/24
Geographic location:
- Country: Japan - JP
- City: Sapporo
- State/Region: Hokkaido
- Longitude: 141.350098
- Latitude: 43.066730
- Timezone: +09:00
Location on the map:
Network speed information:
-
Mobile:,Download125.55MbpsUpload15.59Mbps
-
Broadband:,Download413.08MbpsUpload238.57Mbps
IP Address 192.51.251.21 WHOIS Information:
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '192.51.251.0 - 192.51.251.255'
% Abuse contact for '192.51.251.0 - 192.51.251.255' is 'hostmaster@nic.ad.jp'
inetnum: 192.51.251.0 - 192.51.251.255
netname: STEP-NET
descr: imported inetnum object for SECF
country: JP
admin-c: YK355-AP
tech-c: YK355-AP
abuse-c: AJ382-AP
status: ASSIGNED PORTABLE
remarks: ----------
remarks: imported from ARIN object:
remarks:
remarks: inetnum: 192.51.251.0 - 192.51.251.255
remarks: netname: STEP-NET
remarks: org-id: SECF
remarks: status: reassignment
remarks: rev-srv: NS.SEC.OR.JP NS.WIDE.AD.JP
remarks: tech-c: YK5-ARIN
remarks: reg-date: 1993-05-07
remarks: changed: hostmaster@arin.net 19971010
remarks: source: ARIN
remarks:
remarks: ----------
notify: kitada@sec.or.jp
mnt-by: APNIC-HM
mnt-irt: IRT-JPNIC-JP
last-modified: 2020-07-23T04:25:30Z
source: APNIC
irt: IRT-JPNIC-JP
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, japan
e-mail: hostmaster@nic.ad.jp
abuse-mailbox: hostmaster@nic.ad.jp
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
admin-c: JNIC1-AP
tech-c: JNIC1-AP
auth: # Filtered
remarks: hostmaster@nic.ad.jp was validated on 2024-11-27
mnt-by: MAINT-JPNIC
last-modified: 2025-09-04T01:00:00Z
source: APNIC
role: ABUSE JPNICJP
country: ZZ
address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047, japan
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JNIC1-AP
tech-c: JNIC1-AP
nic-hdl: AJ382-AP
remarks: Generated from irt object IRT-JPNIC-JP
remarks: hostmaster@nic.ad.jp was validated on 2024-11-27
abuse-mailbox: hostmaster@nic.ad.jp
mnt-by: APNIC-ABUSE
last-modified: 2025-01-23T00:15:35Z
source: APNIC
person: Yoshitaka Kitada
address: Sapporo Electronics Center
Administrator
1-1-10 Shimonopporo Techno Park, Atsubetsu-ku
Sapporo Hokkaido
country: JP
phone: +81118076000
e-mail: kitada@sec.or.jp
nic-hdl: YK355-AP
remarks: ----------
remarks: imported from ARIN object:
remarks:
remarks: poc-handle: YK5-ARIN
remarks: is-role: N
remarks: last-name: Kitada
remarks: first-name: Yoshitaka
remarks: street: Sapporo Electronics Center
Administrator
1-1-10 Shimonopporo Techno Park, Atsubetsu-ku
Sapporo Hokkaido
remarks: country: JP
remarks: mailbox: kitada@sec.or.jp
remarks: bus-phone: +81118076000
remarks: reg-date: 1993-05-07
remarks: changed: hostmaster@arin.poc 19951204
remarks: source: ARIN
remarks:
remarks: ----------
notify: kitada@sec.or.jp
mnt-by: MNT-ERX-SAPPOELECTCENTEFOUND-NON-JP
last-modified: 2008-09-04T07:29:38Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)
Reputation information:
- Sender score: None - IP doesnt send emails
Blacklists information:
- Listed in Spamhaus: no
- Listed in Barracuda: no
- Listed in Spamcop: no
- More blacklists: Full blacklists test on 192.51.251.21
Email behaviour monitor:
The IP address 192.51.251.21 appears to be an active mail server. The following charts represent data the community has gathered by observing the mail sending behaviour of this IP address during the last 10 days from 28-03-26 to 07-04-26: