Summary

NetName
OrgName
CIDR
RIR

APNIC

Country / Region
Status

Abuse

Contact
RegDate

Updated

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 93776640 2741851979776

Whois

% Abuse contact for '166.0.0.0 - 166.255.255.255' is 'helpdesk@apnic.net'

inetnum:        166.0.0.0 - 166.255.255.255
netname:        ERX-NETBLOCK
descr:          Early registration addresses
remarks:        ------------------------------------------------------
remarks:        Important:
remarks:
remarks:        Networks in this range were allocated by InterNIC
remarks:        prior to the formation of Regional Internet
remarks:        Registries (RIRs): AfriNIC, APNIC, ARIN, LACNIC and RIPE NCC.
remarks:
remarks:        Address ranges from this historical space have now
remarks:        been transferred to the appropriate RIR database.remarks:
remarks:        If your search has returned this record, it means the
remarks:        address range is not administered by APNIC.
remarks:
remarks:        Instead, please search one of the following databases:
remarks:
remarks:        - AfriNIC (Africa)
remarks:        website: http://www.afrinic.net/
remarks:        command line: whois.afrinic.net
remarks:
remarks:        - ARIN (Northern America)
remarks:        website: http://www.arin.net/
remarks:        command line: whois.arin.net
remarks:
remarks:        - LACNIC (Latin America and the Carribean)
remarks:        website: http://www.lacnic.net/
remarks:        command line: whois.lacnic.net
remarks:
remarks:        - RIPE NCC (Europe)
remarks:        website: http://www.ripe.net/
remarks:        command line: whois.ripe.net
remarks:
remarks:        For information on the Early Registration Transfer
remarks:        (ERX) project, see:
remarks:
remarks:        http://www.apnic.net/db/erx
remarks:
remarks:        ------------------------------------------------------
country:        AU
admin-c:        IANA1-AP
tech-c:         IANA1-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
status:         ALLOCATED PORTABLE
last-modified:  2015-08-28T00:31:40Z
source:         APNIC
mnt-irt:        IRT-APNIC-AP

irt:            IRT-APNIC-AP
address:        Brisbane, Australia
e-mail:         helpdesk@apnic.net
abuse-mailbox:  helpdesk@apnic.net
admin-c:        HM20-AP
tech-c:         NO4-AP
auth:           # Filtered
remarks:        APNIC is a Regional Internet Registry.
remarks:        We do not operate the referring network and
remarks:        are unable to investigate complaints of network abuse.
remarks:        For information about IRT, see www.apnic.net/irt
remarks:        helpdesk@apnic.net was validated on 2020-02-03
mnt-by:         APNIC-HM
last-modified:  2023-08-18T00:42:38Z
source:         APNIC

role:           Internet Assigned Numbers Authority
address:        see http://www.iana.org.
admin-c:        IANA1-AP
tech-c:         IANA1-AP
nic-hdl:        IANA1-AP
remarks:        For more information on IANA services
remarks:        go to IANA web site at http://www.iana.org.
mnt-by:         MAINT-APNIC-AP
last-modified:  2018-06-22T22:34:30Z
source:         APNIC

Graph

CIDR

166.203.128.0/24 166.203.129.0/24 166.203.130.0/24 166.203.131.0/24
166.203.133.0/24 166.203.134.0/24 166.203.135.0/24 166.203.136.0/24
166.203.138.0/24 166.203.139.0/24 166.203.140.0/24 166.203.141.0/24
166.203.143.0/24 166.203.144.0/24 166.203.145.0/24 166.203.146.0/24
166.203.148.0/24 166.203.149.0/24 166.203.150.0/24 166.203.151.0/24
166.203.153.0/24 166.203.154.0/24 166.203.155.0/24 166.203.156.0/24
166.203.158.0/24 166.203.159.0/24 166.203.160.0/24 166.203.161.0/24
166.203.163.0/24 166.203.164.0/24 166.203.165.0/24 166.203.166.0/24
166.203.168.0/24 166.203.169.0/24 166.203.170.0/24 166.203.171.0/24
166.203.173.0/24 166.203.174.0/24 166.203.175.0/24 166.203.176.0/24
166.203.178.0/24 166.203.179.0/24 166.203.180.0/24 166.203.181.0/24
166.203.183.0/24 166.203.184.0/24 166.203.185.0/24 166.203.186.0/24
166.203.188.0/24 166.203.189.0/24 166.203.190.0/24 166.203.191.0/24
166.203.193.0/24 166.203.194.0/24 166.203.195.0/24 166.203.196.0/24
166.203.198.0/24 166.203.199.0/24 166.203.200.0/24 166.203.201.0/24
166.203.203.0/24 166.203.204.0/24 166.203.205.0/24 166.203.206.0/24
166.203.208.0/24 166.203.209.0/24 166.203.210.0/24 166.203.211.0/24
166.203.213.0/24 166.203.214.0/24 166.203.215.0/24 166.203.216.0/24
166.203.218.0/24 166.203.219.0/24 166.203.220.0/24 166.203.221.0/24
166.203.223.0/24 166.203.224.0/24 166.203.225.0/24 166.203.226.0/24
166.203.228.0/24 166.203.229.0/24 166.203.230.0/24 166.203.231.0/24
166.203.233.0/24 166.203.234.0/24 166.203.235.0/24 166.203.236.0/24
166.203.238.0/24 166.203.239.0/24 166.203.240.0/24 166.203.241.0/24
166.203.243.0/24 166.203.244.0/24 166.203.245.0/24 166.203.246.0/24
166.203.248.0/24 166.203.249.0/24 166.203.250.0/24 166.203.251.0/24
166.203.253.0/24 166.203.254.0/24 166.203.255.0/24