1.43.0.0/18

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 2025-06-18
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2025-11-18T00:26:27Z
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 2025-06-18
abuse-mailbox:  abuse@optusnet.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-06-18T01:06:46Z
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 1.43.0.0/18

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 is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP

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

2,695 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
1.43.48.66 AS4804 Microplex PTY LTD 2.44ms from Melbourne, AU
1.43.16.49 AS4804 Microplex PTY LTD 2.78ms from Melbourne, AU
1.43.26.124 AS4804 Microplex PTY LTD 3.73ms from Melbourne, AU
1.43.13.15 AS4804 Microplex PTY LTD 2.82ms from Melbourne, AU
1.43.18.36 AS4804 Microplex PTY LTD 3.21ms from Melbourne, AU
1.43.23.36 AS4804 Microplex PTY LTD 3.47ms from Melbourne, AU
1.43.28.226 AS4804 Microplex PTY LTD 3.43ms from Melbourne, AU
1.43.50.40 AS4804 Microplex PTY LTD 2.67ms from Melbourne, AU
1.43.33.34 AS4804 Microplex PTY LTD 3.16ms from Melbourne, AU
1.43.30.241 AS4804 Microplex PTY LTD 2.88ms from Melbourne, AU
1.43.49.191 AS4804 Microplex PTY LTD 3.26ms from Melbourne, AU
1.43.39.6 AS4804 Microplex PTY LTD 2.83ms from Melbourne, AU
1.43.22.37 AS4804 Microplex PTY LTD 2.95ms from Melbourne, AU
1.43.34.74 AS4804 Microplex PTY LTD 3.01ms from Melbourne, AU
1.43.10.109 AS4804 Microplex PTY LTD 2.49ms from Melbourne, AU
1.43.6.95 AS4804 Microplex PTY LTD 3.12ms from Melbourne, AU
1.43.24.119 AS4804 Microplex PTY LTD 2.77ms from Melbourne, AU
1.43.15.169 AS4804 Microplex PTY LTD 2.66ms from Melbourne, AU
1.43.45.42 AS4804 Microplex PTY LTD 3.03ms from Melbourne, AU
1.43.53.49 AS4804 Microplex PTY LTD 2.48ms from Melbourne, AU
1.43.14.108 AS4804 Microplex PTY LTD 2.88ms from Melbourne, AU
1.43.63.179 AS4804 Microplex PTY LTD 2.38ms from Melbourne, AU
1.43.8.102 AS4804 Microplex PTY LTD 2.76ms from Melbourne, AU
1.43.4.252 AS4804 Microplex PTY LTD 3.04ms from Melbourne, AU
1.43.31.221 AS4804 Microplex PTY LTD 3.33ms 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
157.133.180.2 AS14114 SAP America Inc. 0.87ms from Ashburn, US
52.36.2.242 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
175.154.77.226 AS4837 CHINA UNICOM China169 Backbone 4.32ms from Chengdu, CN
24.13.234.226 AS7922 Comcast Cable Communications, LLC 6.02ms from Chicago, US
35.192.116.114 AS396982 Google LLC 0.12ms from Council Bluffs, US
12.50.241.194 AS7018 AT&T Enterprises, LLC 3.39ms from Dallas, US
91.96.184.66 AS9145 EWE TEL GmbH 6.58ms from Hamburg, DE
105.246.139.162 AS36994 Vodacom 9.98ms from Johannesburg, ZA
45.205.61.66 AS40065 CNSERVERS LLC 0.30ms from Los Angeles, US
101.142.235.194 AS17511 OPTAGE Inc. 2.06ms from Osaka, JP
35.204.208.130 AS396982 Google LLC 0.14ms from Oudeschip, NL
191.116.58.2 AS22047 VTR BANDA ANCHA S.A. 2.53ms from Santiago, CL
39.124.146.18 AS9318 SK Broadband Co Ltd 4.47ms from Seoul, KR
43.134.168.162 AS132203 Tencent Building, Kejizhongyi Avenue 0.33ms from Singapore, SG
111.52.142.82 AS56042 China Mobile communications corporation 5.29ms from Taiyuan, CN
126.102.200.194 AS17676 SoftBank Corp. 12.46ms from Tokyo, JP
75.228.241.178 AS6167 Verizon Business 13.08ms from Boston, US
148.209.1.34 AS22122 UNIVERSIDAD AUTONOMA DE YUCATAN 12.18ms from Cancún, MX
123.145.136.178 AS4837 CHINA UNICOM China169 Backbone 1.42ms from Chongqing, CN
38.246.36.2 AS174 Cogent Communications, LLC 1.26ms from Dallas, US
14.97.106.130 AS45820 Tata Teleservices ISP AS 1.79ms from Delhi, IN
139.167.186.130 AS55836 Reliance Jio Infocomm Limited 3.77ms from Delhi, IN
136.226.128.2 AS22616 ZSCALER, INC. 0.12ms from Denver, US
98.250.55.34 AS7922 Comcast Cable Communications, LLC 8.24ms from Flint, US
123.22.140.82 AS45899 VNPT Corp 6.44ms from Ho Chi Minh City, VN

Traceroute

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

$
traceroute -a -n -q1 1.43.32.234
traceroute to 1.43.32.234 (1.43.32.234): 64 hops max, 52 byte packets
2 *
3 *
4 *
5 *
6 [AS4804] 1.43.32.234 4.771 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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