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

166.203.0.0/24 166.203.1.0/24 166.203.2.0/24 166.203.3.0/24
166.203.5.0/24 166.203.6.0/24 166.203.7.0/24 166.203.8.0/24
166.203.10.0/24 166.203.11.0/24 166.203.12.0/24 166.203.13.0/24
166.203.15.0/24 166.203.16.0/24 166.203.17.0/24 166.203.18.0/24
166.203.20.0/24 166.203.21.0/24 166.203.22.0/24 166.203.23.0/24
166.203.25.0/24 166.203.26.0/24 166.203.27.0/24 166.203.28.0/24
166.203.30.0/24 166.203.31.0/24 166.203.32.0/24 166.203.33.0/24
166.203.35.0/24 166.203.36.0/24 166.203.37.0/24 166.203.38.0/24
166.203.40.0/24 166.203.41.0/24 166.203.42.0/24 166.203.43.0/24
166.203.45.0/24 166.203.46.0/24 166.203.47.0/24 166.203.48.0/24
166.203.50.0/24 166.203.51.0/24 166.203.52.0/24 166.203.53.0/24
166.203.55.0/24 166.203.56.0/24 166.203.57.0/24 166.203.58.0/24
166.203.60.0/24 166.203.61.0/24 166.203.62.0/24 166.203.63.0/24
166.203.65.0/24 166.203.66.0/24 166.203.67.0/24 166.203.68.0/24
166.203.70.0/24 166.203.71.0/24 166.203.72.0/24 166.203.73.0/24
166.203.75.0/24 166.203.76.0/24 166.203.77.0/24 166.203.78.0/24
166.203.80.0/24 166.203.81.0/24 166.203.82.0/24 166.203.83.0/24
166.203.85.0/24 166.203.86.0/24 166.203.87.0/24 166.203.88.0/24
166.203.90.0/24 166.203.91.0/24 166.203.92.0/24 166.203.93.0/24
166.203.95.0/24 166.203.96.0/24 166.203.97.0/24 166.203.98.0/24
166.203.100.0/24 166.203.101.0/24 166.203.102.0/24 166.203.103.0/24
166.203.105.0/24 166.203.106.0/24 166.203.107.0/24 166.203.108.0/24
166.203.110.0/24 166.203.111.0/24 166.203.112.0/24 166.203.113.0/24
166.203.115.0/24 166.203.116.0/24 166.203.117.0/24 166.203.118.0/24
166.203.120.0/24 166.203.121.0/24 166.203.122.0/24 166.203.123.0/24
166.203.125.0/24 166.203.126.0/24 166.203.127.0/24 166.203.128.0/24
166.203.130.0/24 166.203.131.0/24 166.203.132.0/24 166.203.133.0/24
166.203.135.0/24 166.203.136.0/24 166.203.137.0/24 166.203.138.0/24
166.203.140.0/24 166.203.141.0/24 166.203.142.0/24 166.203.143.0/24
166.203.145.0/24 166.203.146.0/24 166.203.147.0/24 166.203.148.0/24
166.203.150.0/24 166.203.151.0/24 166.203.152.0/24 166.203.153.0/24
166.203.155.0/24 166.203.156.0/24 166.203.157.0/24 166.203.158.0/24
166.203.160.0/24 166.203.161.0/24 166.203.162.0/24 166.203.163.0/24
166.203.165.0/24 166.203.166.0/24 166.203.167.0/24 166.203.168.0/24
166.203.170.0/24 166.203.171.0/24 166.203.172.0/24 166.203.173.0/24
166.203.175.0/24 166.203.176.0/24 166.203.177.0/24 166.203.178.0/24
166.203.180.0/24 166.203.181.0/24 166.203.182.0/24 166.203.183.0/24
166.203.185.0/24 166.203.186.0/24 166.203.187.0/24 166.203.188.0/24
166.203.190.0/24 166.203.191.0/24 166.203.192.0/24 166.203.193.0/24
166.203.195.0/24 166.203.196.0/24 166.203.197.0/24 166.203.198.0/24
166.203.200.0/24 166.203.201.0/24 166.203.202.0/24 166.203.203.0/24
166.203.205.0/24 166.203.206.0/24 166.203.207.0/24 166.203.208.0/24
166.203.210.0/24 166.203.211.0/24 166.203.212.0/24 166.203.213.0/24
166.203.215.0/24 166.203.216.0/24 166.203.217.0/24 166.203.218.0/24
166.203.220.0/24 166.203.221.0/24 166.203.222.0/24 166.203.223.0/24
166.203.225.0/24 166.203.226.0/24 166.203.227.0/24 166.203.228.0/24
166.203.230.0/24 166.203.231.0/24 166.203.232.0/24 166.203.233.0/24
166.203.235.0/24 166.203.236.0/24 166.203.237.0/24 166.203.238.0/24
166.203.240.0/24 166.203.241.0/24 166.203.242.0/24 166.203.243.0/24
166.203.245.0/24 166.203.246.0/24 166.203.247.0/24 166.203.248.0/24
166.203.250.0/24 166.203.251.0/24 166.203.252.0/24 166.203.253.0/24
166.203.255.0/24