1.40.0.0/14

AS4804 · Microplex PTY LTD

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Summary

Country	Australia
Domain	optus.net.au
ASN	AS4804
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        OI3-AP
tech-c:         OI3-AP
auth:           # Filtered
remarks:        [email protected] 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:         [email protected]
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:         [email protected]
admin-c:        OI3-AP
tech-c:         OI3-AP
nic-hdl:        AO400-AP
remarks:        Generated from irt object IRT-OPTUSINTERNET-AU
remarks:        [email protected] was validated on 2025-06-18
abuse-mailbox:  [email protected]
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:         [email protected]
admin-c:        OI1-AP
tech-c:         OI1-AP
nic-hdl:        OI3-AP
notify:         [email protected]
mnt-by:         MAINT-AU-OPTUSINTERNET
remarks:        send spam/abuse reports to [email protected]
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

Nearby Ranges

BGP prefixes that overlap with 1.0.0.0/8

Range	ASN	Company	Num of IPs
1.128.0.0/11	AS1221	Telstra Limited	2,097,152
1.208.0.0/12	AS3786	LG DACOM Corporation	1,048,576
1.160.0.0/12	AS3462	Data Communication Business Group,	1,048,576
1.24.0.0/13	AS9929	China unicom InnerMongolia province network	524,288
1.224.0.0/13	AS9318	SK Broadband Co Ltd	524,288
1.224.0.0/13	AS23579	SK Broadband Co Ltd	524,288
1.56.0.0/13	AS4837	China Unicom Heilongjiang province network	524,288
1.24.0.0/13	AS4837	China unicom InnerMongolia province network	524,288
1.192.0.0/13	AS139018	CHINANET henan province network	524,288
1.120.0.0/13	AS1221	Telstra Limited	524,288
1.24.0.0/13	AS139007	China unicom InnerMongolia province network	524,288
1.224.0.0/13	AS10069	SK Broadband Co Ltd	524,288
1.192.0.0/13	AS139587	CHINANET henan province network	524,288
1.80.0.0/13	AS4134	CHINANET SHAANXI PROVINCE NETWORK	524,288
1.224.0.0/13	AS131852	SK Broadband Co Ltd	524,288
1.80.0.0/13	AS4809	CHINANET SHAANXI PROVINCE NETWORK	524,288
1.192.0.0/13	AS4134	CHINANET henan province network	524,288
1.80.0.0/13	AS134768	CHINANET SHAANXI PROVINCE NETWORK	524,288
1.192.0.0/13	AS137687	CHINANET henan province network	524,288
1.68.0.0/14	AS4809	CHINANET SHANXI PROVINCE NETWORK	262,144
1.12.0.0/14	AS132203	Tencent cloud computing (Beijing) Co., Ltd.	262,144
1.68.0.0/14	AS132147	CHINANET SHANXI PROVINCE NETWORK	262,144
1.52.0.0/14	AS18403	FPT Telecom Company	262,144
1.12.0.0/14	AS45090	Tencent cloud computing (Beijing) Co., Ltd.	262,144
1.68.0.0/14	AS4134	CHINANET SHANXI PROVINCE NETWORK	262,144
1.188.0.0/14	AS4837	China Unicom Heilongjiang province network	262,144
1.68.0.0/14	AS142404	CHINANET SHANXI PROVINCE NETWORK	262,144
1.180.0.0/14	AS141006	CHINANET NeiMengGu province network	262,144
1.180.0.0/14	AS4134	CHINANET NeiMengGu province network	262,144
1.204.0.0/14	AS4134	CHINANET GUIZHOU PROVINCE NETWORK	262,144
1.112.0.0/14	AS17676	SOFTBANK Corp.	262,144
1.64.0.0/15	AS4760	PCCW Limited	131,072
1.48.0.0/15	AS4134	CHINANET GUIZHOU PROVINCE NETWORK	131,072
1.34.0.0/15	AS3462	Data Communication Business Group,	131,072
1.116.0.0/15	AS45090	Tencent cloud computing (Beijing) Co., Ltd.	131,072
1.184.0.0/15	AS4538	China Education and Research Network	131,072
1.164.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.162.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.65.0.0/16	AS9444	Hong Kong Telecommunications (HKT) Limited Mass Internet	65,536
1.46.0.0/16	AS24378	DTAC MOBILE AP01	65,536
1.167.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.165.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.33.0.0/16	AS2514	NTT PC Communications,Inc.	65,536
1.163.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.171.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.172.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.173.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.174.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536
1.160.0.0/16	AS3462	Chunghwa Telecom Co.,Ltd.	65,536

Hosted domains

There are 66 domain names hosted across 56 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
1.40.39.139	createrspace.net.au	4
1.40.81.21	foxxertech.site	2
1.41.83.168	forsco.tv	2
1.42.231.232	ebbandflow.au	2
1.41.148.176	plackettfamily.au	1
1.43.147.61	sreejellyfin.tech	1
1.42.76.181	niceslime.com	1
1.41.74.76	robson.technology	1
1.42.112.184	zentelnet.net	1
1.43.196.83	metulas.com	1
1.40.64.127	turvysound.uk	1
1.41.60.159	justaskjarrad.au	1
1.40.35.218	blackall.cloud	1
1.40.27.27	malhe.net	1
1.40.154.234	myweb.wiki	1
1.40.39.181	philoghaly.cc	1
1.41.168.65	apacsupport.me	1
1.40.123.39	coopermarino.com	1
1.42.216.80	neurodivergentlearninginstitute.com.au	1
1.41.209.124	clagnan.au	1

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

Read more

Pingable IPs

51,641 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
1.41.222.37	AS4804 Microplex PTY LTD	`2.27ms` from Sydney, AU
1.41.197.5	AS4804 Microplex PTY LTD	`2.40ms` from Sydney, AU
1.41.207.115	AS4804 Microplex PTY LTD	`2.38ms` from Sydney, AU
1.42.75.87	AS4804 Microplex PTY LTD	`1.72ms` from Sydney, AU
1.42.65.23	AS4804 Microplex PTY LTD	`1.76ms` from Sydney, AU
1.42.125.38	AS4804 Microplex PTY LTD	`1.96ms` from Sydney, AU
1.41.214.202	AS4804 Microplex PTY LTD	`2.50ms` from Sydney, AU
1.41.161.186	AS4804 Microplex PTY LTD	`3.03ms` from Sydney, AU
1.41.237.35	AS4804 Microplex PTY LTD	`2.31ms` from Sydney, AU
1.41.149.59	AS4804 Microplex PTY LTD	`2.91ms` from Sydney, AU
1.41.238.248	AS4804 Microplex PTY LTD	`2.33ms` from Sydney, AU
1.41.155.32	AS4804 Microplex PTY LTD	`2.80ms` from Sydney, AU
1.41.127.242	AS4804 Microplex PTY LTD	`1.33ms` from Sydney, AU
1.41.151.135	AS4804 Microplex PTY LTD	`2.94ms` from Sydney, AU
1.42.137.20	AS4804 Microplex PTY LTD	`1.98ms` from Perth, AU
1.42.66.162	AS4804 Microplex PTY LTD	`1.77ms` from Sydney, AU
1.42.78.164	AS4804 Microplex PTY LTD	`1.68ms` from Sydney, AU
1.41.229.64	AS4804 Microplex PTY LTD	`2.27ms` from Sydney, AU
1.41.174.23	AS4804 Microplex PTY LTD	`2.78ms` from Sydney, AU
1.41.164.175	AS4804 Microplex PTY LTD	`2.91ms` from Sydney, AU
1.41.254.175	AS4804 Microplex PTY LTD	`2.32ms` from Sydney, AU
1.41.216.63	AS4804 Microplex PTY LTD	`2.42ms` from Sydney, AU
1.42.98.153	AS4804 Microplex PTY LTD	`1.78ms` from Sydney, AU
1.41.255.46	AS4804 Microplex PTY LTD	`2.28ms` from Sydney, AU
1.42.70.229	AS4804 Microplex PTY LTD	`1.76ms` 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
50.27.71.222	AS19108 Optimum	`14.12ms` from Ashburn, US
174.19.108.254	AS19901 Brightspeed	`10.84ms` from Ashburn, US
75.170.141.254	AS19901 Brightspeed	`9.29ms` from Ashburn, US
73.86.217.254	AS7922 Comcast Cable Communications, LLC	`6.33ms` from Ashburn, US
195.250.29.126	AS14670 WHG Hosting Services Ltd	`0.20ms` from Buffalo, US
104.53.57.206	AS7018 AT&T Enterprises, LLC	`7.20ms` from Chicago, US
54.36.76.254	AS16276 OVH SAS	`0.10ms` from Gravelines, FR
223.199.186.222	AS4134 CHINANET-BACKBONE	`0.72ms` from Haikou, CN
121.196.197.46	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.14ms` from Hangzhou, CN
218.3.74.30	AS4134 CHINANET-BACKBONE	`4.84ms` from Huai'an, CN
154.66.203.62	AS37650 CM Value Added Services (Pty) Ltd	`0.36ms` from Johannesburg, ZA
83.61.203.78	AS3352 TELEFONICA DE ESPANA S.A.U.	`6.67ms` from Madrid, ES
189.225.153.78	AS8151 UNINET	`5.43ms` from Mexico City, MX
88.40.164.238	AS3269 Telecom Italia S.p.A.	`5.74ms` from Milan, IT
71.34.226.254	AS19901 Brightspeed	`2.80ms` from Minneapolis, US
90.156.217.62	AS47764 LLC VK	`0.75ms` from Moscow, RU
212.103.111.254	AS57044 JSC "ER-Telecom Holding"	`8.69ms` from Moscow, RU
37.232.184.222	AS12714 PJSC MegaFon	`10.80ms` from Samara, RU
75.25.152.158	AS7018 AT&T Enterprises, LLC	`3.97ms` from San Jose, US
59.25.212.254	AS4766 Korea Telecom	`6.28ms` from Seoul, KR
211.208.174.62	AS9318 SK Broadband Co Ltd	`1.39ms` from Seoul, KR
122.227.162.174	AS4134 CHINANET-BACKBONE	`5.87ms` from Shanghai, CN
95.153.23.254	AS1257 Tele2 Sverige AB	`0.47ms` from Tallinn, EE
153.206.16.110	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.53ms` from Tokyo, JP
72.39.207.222	AS7992 Cogeco Connexion Inc.	`11.98ms` from Toronto, CA

Traceroute

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

traceroute -a -n -q1 -f6 -m9 1.42.34.85

traceroute to 1.42.34.85 (1.42.34.85): 9 hops max, 52 byte packets

6 [AS17557] 119.156.239.193 10.35 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Lahore, PK

On December 6th 2025

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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