Results returned from whois.arin.net:

#
# The following results may also be obtained via:
# http://whois.arin.net/rest/nets;q=210.181.1.24?showDetails=true&showARIN=false
#

NetRange:       210.0.0.0 - 210.255.255.255
CIDR:           210.0.0.0/8
OriginAS:       
NetName:        APNIC-CIDR-BLK2
NetHandle:      NET-210-0-0-0-1
Parent:         
NetType:        Allocated to APNIC
NameServer:     TINNIE.ARIN.NET
NameServer:     SEC1.AUTHDNS.RIPE.NET
NameServer:     NS4.APNIC.NET
NameServer:     NS3.APNIC.NET
NameServer:     NS1.APNIC.NET
NameServer:     DNS1.TELSTRA.NET
Comment:        This IP address range is not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl
Comment:        ** IMPORTANT NOTE: APNIC is the Regional Internet Registry
Comment:        for the Asia Pacific region. APNIC does not operate networks
Comment:        using this IP address range and is not able to investigate
Comment:        spam or abuse reports relating to these addresses. For more
Comment:        help, refer to http://www.apnic.net/apnic-info/whois_search2/abuse-and-spamming
RegDate:        1996-07-01
Updated:        2010-08-02
Ref:            http://whois.arin.net/rest/net/NET-210-0-0-0-1


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 2131
City:           Milton
StateProv:      QLD
PostalCode:     4064
Country:        AU
RegDate:        
Updated:        2004-03-01
Ref:            http://whois.arin.net/rest/org/APNIC

ReferralServer: whois://whois.apnic.net

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    http://whois.arin.net/rest/poc/AWC12-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#


Results returned from whois.apnic.net:
% [whois.apnic.net node-3]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

inetnum:        210.181.0.0 - 210.181.255.255
netname:        KRNIC-KR
descr:          KRNIC
descr:          Korea Network Information Center
country:        KR
admin-c:        HM127-AP
tech-c:         HM127-AP
remarks:        ******************************************
remarks:        KRNIC is the National Internet Registry
remarks:        in Korea under APNIC. If you would like to
remarks:        find assignment information in detail
remarks:        please refer to the KRNIC Whois DB
remarks:        http://whois.nic.or.kr/english/index.html
remarks:        ******************************************
mnt-by:         APNIC-HM
mnt-lower:      MNT-KRNIC-AP
changed:        hm-changed@apnic.net 19981124
changed:        hm-changed@apnic.net 20010606
changed:        hm-changed@apnic.net 20040319
status:         ALLOCATED PORTABLE
source:         APNIC

person:         Host Master
address:        11F, KTF B/D, 1321-11, Seocho2-Dong, Seocho-Gu,
address:        Seoul, Korea, 137-857
country:        KR
phone:          +82-2-2186-4500
fax-no:         +82-2-2186-4496
e-mail:         hostmaster@nic.or.kr
nic-hdl:        HM127-AP
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20020507
source:         APNIC

inetnum:        210.181.0.0 - 210.181.3.255
netname:        DREAMX-KR
descr:          DREAMLINE CO.
country:        KR
admin-c:        IA70-KR
tech-c:         IA70-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.krnic.net.
changed:        hostmaster@nic.or.kr
source:         KRNIC