1.43.64.0/18

AS4804  ·  Microplex PTY LTD

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Summary

Country Australia
Domain optus.net.au
ASN AS4804
Parent Range 1.40.0.0/14
Registry APNIC
ID OPTUSINTERNET-AU

WHOIS Details

inetnum:        1.40.0.0 - 1.43.255.255
netname:        OPTUSINTERNET-AU
descr:          OPTUS INTERNET - RETAIL
descr:          INTERNET SERVICES
descr:          1 Lyonpark Road, Macquarie Park, NSW - 2113
country:        AU
org:            ORG-OIPL5-AP
admin-c:        OI3-AP
tech-c:         OI3-AP
abuse-c:        AO400-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AU-OPTUSINTERNET
mnt-routes:     MAINT-AU-OPTUSINTERNET
mnt-irt:        IRT-OPTUSINTERNET-AU
last-modified:  2021-01-15T01:45:06Z
source:         APNIC

irt:            IRT-OPTUSINTERNET-AU
address:        1 Lyonpark Rd.
address:        Macquarie Park, NSW 2113
e-mail:         abuse@optusnet.com.au
abuse-mailbox:  abuse@optusnet.com.au
admin-c:        OI3-AP
tech-c:         OI3-AP
auth:           # Filtered
remarks:        abuse@optusnet.com.au was validated on 2025-12-23
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2025-12-23T22:44:35Z
source:         APNIC

organisation:   ORG-OIPL5-AP
org-name:       Optus Internet Pty Ltd
org-type:       LIR
country:        AU
address:        Building F, 3rd Floor
address:        1 Lyonpark Road
phone:          +61-2-8087-0020
fax-no:         +61-2-8085-5108
e-mail:         abuse@optusnet.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:50Z
source:         APNIC

role:           ABUSE OPTUSINTERNETAU
country:        ZZ
address:        1 Lyonpark Rd.
address:        Macquarie Park, NSW 2113
phone:          +000000000
e-mail:         abuse@optusnet.com.au
admin-c:        OI3-AP
tech-c:         OI3-AP
nic-hdl:        AO400-AP
remarks:        Generated from irt object IRT-OPTUSINTERNET-AU
remarks:        abuse@optusnet.com.au was validated on 2025-12-23
abuse-mailbox:  abuse@optusnet.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T22:44:46Z
source:         APNIC

role:           Optus Internet
address:        1 Lyonpark Rd.
address:        Macquarie Park, NSW 2113
country:        AU
phone:          +61-2-8082 7800
fax-no:         +61-2-8082 7100
e-mail:         ipadmin@optus.net.au
admin-c:        OI1-AP
tech-c:         OI1-AP
nic-hdl:        OI3-AP
notify:         ipadmin@optus.net.au
mnt-by:         MAINT-AU-OPTUSINTERNET
remarks:        send spam/abuse reports to abuse@optusnet.com.au
remarks:        please use http://wq.apnic.net/apnic-bin/whois.pl
remarks:        to identify networks before sending reports and
remarks:        always include full headers/logs.
last-modified:  2021-09-07T23:35:56Z
source:         APNIC

route:          1.40.0.0/14
origin:         AS4804
descr:          Optus Internet Pty Ltd Building F, 3rd Floor 1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2021-05-31T20:25:17Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 1.43.64.0/18

Range ASN Company Num of IPs
1.40.0.0/14 AS4804 OPTUS INTERNET - RETAIL 262,144

Nearby Ranges

BGP prefixes that overlap with 1.43.0.0/16

Range ASN Company Num of IPs
1.40.0.0/14 AS4804 OPTUS INTERNET - RETAIL 262,144

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

1,591 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
1.43.118.147 AS4804 Microplex PTY LTD 3.01ms from Melbourne, AU
1.43.82.185 AS4804 Microplex PTY LTD 2.65ms from Melbourne, AU
1.43.103.180 AS4804 Microplex PTY LTD 2.71ms from Melbourne, AU
1.43.64.1 AS4804 Microplex PTY LTD 1.03ms from Melbourne, AU
1.43.70.226 AS4804 Microplex PTY LTD 2.79ms from Melbourne, AU
1.43.94.29 AS4804 Microplex PTY LTD 2.88ms from Melbourne, AU
1.43.101.248 AS4804 Microplex PTY LTD 2.47ms from Melbourne, AU
1.43.98.249 AS4804 Microplex PTY LTD 2.93ms from Melbourne, AU
1.43.102.45 AS4804 Microplex PTY LTD 2.94ms from Melbourne, AU
1.43.80.7 AS4804 Microplex PTY LTD 2.99ms from Melbourne, AU
1.43.76.133 AS4804 Microplex PTY LTD 2.69ms from Melbourne, AU
1.43.72.162 AS4804 Microplex PTY LTD 2.61ms from Melbourne, AU
1.43.125.70 AS4804 Microplex PTY LTD 2.96ms from Melbourne, AU
1.43.78.125 AS4804 Microplex PTY LTD 2.89ms from Melbourne, AU
1.43.86.166 AS4804 Microplex PTY LTD 2.82ms from Melbourne, AU
1.43.107.200 AS4804 Microplex PTY LTD 3.18ms from Melbourne, AU
1.43.67.232 AS4804 Microplex PTY LTD 2.80ms from Melbourne, AU
1.43.104.134 AS4804 Microplex PTY LTD 2.92ms from Melbourne, AU
1.43.127.169 AS4804 Microplex PTY LTD 2.74ms from Melbourne, AU
1.43.69.223 AS4804 Microplex PTY LTD 2.90ms from Melbourne, AU
1.43.83.87 AS4804 Microplex PTY LTD 2.85ms from Melbourne, AU
1.43.65.132 AS4804 Microplex PTY LTD 2.94ms from Melbourne, AU
1.43.110.158 AS4804 Microplex PTY LTD 2.83ms from Melbourne, AU
1.43.89.237 AS4804 Microplex PTY LTD 2.84ms from Melbourne, AU
1.43.90.64 AS4804 Microplex PTY LTD 2.63ms from Melbourne, AU

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
149.6.129.242 AS174 Cogent Communications, LLC 0.25ms from Amsterdam, NL
155.212.115.114 AS202656 Ivanov Vitaliy Sergeevich 0.47ms from Amsterdam, NL
52.200.231.98 AS14618 Amazon.com, Inc. 0.54ms from Ashburn, US
64.130.117.210 AS13825 Troy Cablevision, Inc. 5.07ms from Atlanta, US
37.223.78.178 AS12430 VODAFONE ESPANA S.A.U. 4.56ms from Barcelona, ES
103.242.34.2 AS45481 Digital Sense Data Centre Hosting Brisbane 0.36ms from Brisbane, AU
188.27.139.2 AS8708 DIGI ROMANIA S.A. 5.39ms from Bucharest, RO
163.223.120.210 AS140641 YOTTA NETWORK SERVICES PRIVATE LIMITED 1.63ms from Delhi, IN
84.182.226.114 AS3320 Deutsche Telekom AG 4.25ms from Duesseldorf, DE
84.162.229.66 AS3320 Deutsche Telekom AG 4.26ms from Hamburg, DE
196.223.245.82 AS22690 Axiom Networks Ltd 0.36ms from Kigali, RW
97.228.76.50 AS6167 Verizon Business 12.07ms from Los Angeles, US
120.206.255.50 AS56045 China Mobile communications corporation 2.30ms from Nanchang, CN
201.83.163.34 AS28573 Claro NXT Telecomunicacoes Ltda 1.90ms from Osasco, BR
54.176.69.2 AS16509 Amazon.com, Inc. 0.10ms from San Jose, US
179.61.9.2 AS52503 MALARGÜE ONLINE 8.28ms from Santiago, CL
210.204.183.114 AS4766 Korea Telecom 2.18ms from Seoul, KR
112.173.217.194 AS4766 Korea Telecom 5.59ms from Seoul, KR
223.75.106.162 AS9808 China Mobile Communications Group Co., Ltd. 3.83ms from Wuhan, CN
38.178.125.50 AS35986 Vyve Broadband 14.18ms from Atlanta, US
124.205.242.50 AS4808 China Unicom Beijing Province Network 5.65ms from Beijing, CN
120.11.136.34 AS4837 CHINA UNICOM China169 Backbone 5.70ms from Beijing, CN
188.142.230.66 AS21334 One Hungary Ltd. 0.95ms from Budapest, HU
104.231.204.162 AS10796 Charter Communications Inc 5.52ms from Chicago, US
104.128.49.50 AS30455 HostVenom LLC 1.03ms from Chicago, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f2 1.43.90.212
traceroute to 1.43.90.212 (1.43.90.212): 64 hops max, 52 byte packets
5 *
6 *
7 *
8 [AS4804] 1.43.90.212 3.586 ms
Measurement taken from IPinfo ProbeNet in Melbourne, AU
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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