58.105.128.0/20

AS4804 · Microplex PTY LTD

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Summary

Country	Australia
Domain	optus.net.au
ASN	AS4804
Parent Range	58.104.0.0/13
Registry	APNIC
ID	OPTUSINTERNET-AU

WHOIS Details

inetnum:        58.104.0.0 - 58.111.255.255
netname:        OPTUSINTERNET-AU
descr:          OPTUS INTERNET - RETAIL
descr:          INTERNET SERVICES
descr:          Chatswood, Sydney
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:  2024-02-05T08:16:30Z
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:  2025-06-18T01:06:29Z
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:          58.104.0.0/13
origin:         AS4804
descr:          Optus Internet Pty Ltd Building F, 3rd Floor 1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2024-02-05T08:48:18Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 58.105.128.0/20

Range	ASN	Company	Num of IPs
58.104.0.0/13	AS4804	OPTUS INTERNET - RETAIL	524,288

Nearby Ranges

BGP prefixes that overlap with 58.105.0.0/16

Range	ASN	Company	Num of IPs
58.104.0.0/13	AS4804	OPTUS INTERNET - RETAIL	524,288
58.105.176.0/20	AS4804	OPTUS INTERNET - RETAIL	4,096
58.105.160.0/20	AS4804	OPTUS INTERNET - RETAIL	4,096
58.105.192.0/20	AS4804	OPTUS INTERNET - RETAIL	4,096
58.105.208.0/20	AS4804	OPTUS INTERNET - RETAIL	4,096

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

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
96.230.25.180	AS701 Verizon Business	1.89ms from Boston, US
45.18.32.36	AS7018 AT&T Enterprises, LLC	3.04ms from Durham, US
87.144.225.20	AS3320 Deutsche Telekom AG	6.37ms from Frankfurt am Main, DE
210.245.81.180	AS18403 FPT Telecom Company	0.26ms from Hanoi, VN
122.143.80.116	AS4837 CHINA UNICOM China169 Backbone	10.58ms from Liaoyang, CN
152.53.9.52	AS42473 ANEXIA Internetdienstleistungs GmbH	0.64ms from Ljubljana, SI
201.185.70.100	AS13489 UNE EPM TELECOMUNICACIONES S.A.	18.07ms from Medellin, CO
177.254.75.20	AS27831 Colombia Móvil	19.74ms from Medellin, CO
73.125.249.84	AS7922 Comcast Cable Communications, LLC	5.41ms from Miami, US
194.177.50.20	AS16347 ADISTA SAS	0.39ms from Paris, FR
201.4.117.84	AS7738 V tal	2.31ms from Rio de Janeiro, BR
171.25.235.100	AS57700 DeepCo Ltd	0.62ms from Saint Petersburg, RU
109.206.178.68	AS50245 Serverel Inc.	0.19ms from Amsterdam, NL
113.10.7.36	AS45996 DAOU TECHNOLOGY	1.20ms from Seoul, KR
220.102.157.212	AS2518 BIGLOBE Inc.	11.18ms from Tokyo, JP
93.225.23.20	AS3320 Deutsche Telekom AG	8.10ms from Frankfurt am Main, DE
217.239.170.100	AS3320 Deutsche Telekom AG	0.72ms from Frankfurt am Main, DE
220.126.185.180	AS4766 Korea Telecom	1.25ms from Seoul, KR
185.17.209.20	AS199403 DR. BAEHLER DROPA AG	0.59ms from Zuerich, CH
64.113.59.100	AS53292 ManagedWay	0.09ms from Ashburn, US
181.120.86.164	AS23201 Telecel S.A.	8.48ms from Asuncion, PY
111.62.32.196	AS24547 Hebei Mobile Communication Company Limited	10.69ms from Beijing, CN
111.201.73.196	AS4808 China Unicom Beijing Province Network	3.76ms from Beijing, CN
86.106.215.164	AS8926 Moldtelecom SA	4.38ms from Chisinau, MD
185.247.118.36	AS204548 Kamatera Inc	0.37ms from Frankfurt am Main, DE

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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