1.40.128.0/18

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 1.40.128.0/18

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

Nearby Ranges

BGP prefixes that overlap with 1.40.0.0/16

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

4,456 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
1.40.133.9 AS4804 Microplex PTY LTD 2.56ms from Sydney, AU
1.40.130.128 AS4804 Microplex PTY LTD 2.48ms from Sydney, AU
1.40.128.1 AS4804 Microplex PTY LTD 0.89ms from Sydney, AU
1.40.131.103 AS4804 Microplex PTY LTD 2.47ms from Sydney, AU
1.40.129.76 AS4804 Microplex PTY LTD 2.67ms from Sydney, AU
1.40.132.49 AS4804 Microplex PTY LTD 2.45ms from Sydney, AU
1.40.135.223 AS4804 Microplex PTY LTD 2.44ms from Sydney, AU
1.40.179.112 AS4804 Microplex PTY LTD 2.44ms from Sydney, AU
1.40.152.248 AS4804 Microplex PTY LTD 2.55ms from Sydney, AU
1.40.141.170 AS4804 Microplex PTY LTD 2.56ms from Sydney, AU
1.40.146.155 AS4804 Microplex PTY LTD 2.50ms from Sydney, AU
1.40.168.151 AS4804 Microplex PTY LTD 2.49ms from Sydney, AU
1.40.140.246 AS4804 Microplex PTY LTD 2.33ms from Sydney, AU
1.40.147.56 AS4804 Microplex PTY LTD 2.52ms from Sydney, AU
1.40.167.174 AS4804 Microplex PTY LTD 2.43ms from Sydney, AU
1.40.153.149 AS4804 Microplex PTY LTD 2.52ms from Sydney, AU
1.40.137.198 AS4804 Microplex PTY LTD 2.61ms from Sydney, AU
1.40.181.200 AS4804 Microplex PTY LTD 2.49ms from Sydney, AU
1.40.156.75 AS4804 Microplex PTY LTD 2.59ms from Sydney, AU
1.40.187.233 AS4804 Microplex PTY LTD 2.55ms from Sydney, AU
1.40.188.92 AS4804 Microplex PTY LTD 2.43ms from Sydney, AU
1.40.190.1 AS4804 Microplex PTY LTD 2.53ms from Sydney, AU
1.40.185.43 AS4804 Microplex PTY LTD 2.58ms from Sydney, AU
1.40.180.5 AS4804 Microplex PTY LTD 2.58ms from Sydney, AU
1.40.151.161 AS4804 Microplex PTY LTD 2.45ms from Sydney, 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
143.177.37.210 AS50266 Odido Netherlands B.V. 2.81ms from Amsterdam, NL
35.164.160.18 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
186.190.224.82 AS262186 TV AZTECA SUCURSAL COLOMBIA 3.74ms from Bogota, CO
73.61.66.82 AS7922 Comcast Cable Communications, LLC 7.06ms from Boston, US
68.86.57.66 AS7922 Comcast Cable Communications, LLC 0.50ms from Chicago, US
2.123.180.2 AS5607 Sky UK Limited 4.04ms from London, GB
188.85.16.178 AS12430 VODAFONE ESPANA S.A.U. 1.59ms from Madrid, ES
52.98.248.194 AS8075 Microsoft Corporation 0.15ms from Madrid, ES
94.75.187.66 AS12389 PJSC Rostelecom 12.21ms from Moscow, RU
106.201.249.66 AS24560 Bharti Airtel Ltd., Telemedia Services 14.89ms from Mumbai, IN
69.12.27.194 AS46450 Pilot Fiber, Inc. 0.42ms from New York City, US
44.217.10.66 AS14618 Amazon.com, Inc. 0.17ms from Reston, US
12.116.244.210 AS7018 AT&T Enterprises, LLC 2.47ms from San Antonio, US
189.141.66.146 AS8151 UNINET 0.74ms from Santiago de Queretaro, MX
187.172.116.162 AS8151 UNINET 17.34ms from Santiago de Queretaro, MX
200.211.195.226 AS4230 CLARO S.A. 0.50ms from Sao Paulo, BR
24.188.107.98 AS6128 Cablevision Systems Corp. 9.70ms from Secaucus, US
173.70.21.178 AS701 Verizon Business 2.02ms from Secaucus, US
124.56.143.34 AS17858 LG POWERCOMM 1.41ms from Seoul, KR
163.239.125.130 AS3813 Sogang University 2.19ms from Seoul, KR
14.175.240.178 AS45899 VNPT Corp 5.01ms from Da Nang, VN
79.212.108.98 AS3320 Deutsche Telekom AG 4.58ms from Duesseldorf, DE
121.41.122.98 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 2.12ms from Hangzhou, CN
38.238.115.226 AS134548 DXTL Tseung Kwan O Service 0.77ms from Hong Kong, HK
88.233.142.194 AS9121 Turk Telekomunikasyon Anonim Sirketi 5.12ms from Istanbul, TR

Traceroute

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

$
traceroute -a -n -q1 -f2 1.40.144.114
traceroute to 1.40.144.114 (1.40.144.114): 64 hops max, 52 byte packets
2 [AS7578] 103.137.13.4 0.159 ms
3 *
4 [AS7474] 61.88.33.9 2.582 ms
5 [AS7474] 61.88.33.1 3.346 ms
6 *
8 [AS4804] 1.40.144.114 2.594 ms
Measurement taken from IPinfo ProbeNet in Sydney, 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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