211.29.116.0/22

AS4804 · Microplex PTY LTD

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Summary

Country	Australia
Domain	optus.net.au
ASN	AS4804
Parent Range	211.28.0.0/14
Registry	APNIC
ID	OPTUSINTERNET-AU

WHOIS Details

inetnum:        211.28.0.0 - 211.31.255.255
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:  2024-02-05T08:16:29Z
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:          211.28.0.0/14
origin:         AS4804
descr:          Optus Internet Pty Ltd Building F, 3rd Floor 1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2024-02-05T08:47:53Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 211.29.116.0/22

Range	ASN	Company	Num of IPs
211.28.0.0/14	AS4804	OPTUS INTERNET - RETAIL	262,144

Nearby Ranges

BGP prefixes that overlap with 211.29.0.0/16

Range	ASN	Company	Num of IPs
211.28.0.0/14	AS4804	OPTUS INTERNET - RETAIL	262,144
211.29.64.0/19	AS4804	OPTUS INTERNET - RETAIL	8,192

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
172.76.159.246	AS5650 Frontier Communications of America, Inc.	13.73ms from Ashburn, US
181.55.165.22	AS10620 Telmex Colombia S.A.	5.64ms from Bogota, CO
186.207.213.182	AS28573 Claro NXT Telecomunicacoes Ltda	9.26ms from Curitiba, BR
66.62.169.86	AS19092 Zayo Bandwidth	9.89ms from Dallas, US
88.88.197.230	AS2119 Telenor Norge AS	2.37ms from Oslo, NO
129.241.147.166	AS224 SIKT - KUNNSKAPSSEKTORENS TJENESTELEVERANDOR	9.84ms from Oslo, NO
210.121.225.22	AS4766 Korea Telecom	1.49ms from Seoul, KR
108.162.65.38	AS7992 Cogeco Connexion Inc.	6.44ms from Toronto, CA
129.134.39.166	AS32934 Facebook, Inc.	0.30ms from Frankfurt am Main, DE
203.80.254.86	AS9269 Hong Kong Broadband Network Ltd.	1.20ms from Hong Kong, HK
13.134.145.86	AS16509 Amazon.com, Inc.	0.18ms from London, GB
158.180.180.150	AS54253 Oracle Corporation	9.67ms from Milan, IT
77.129.207.70	AS15557 Societe Francaise Du Radiotelephone - SFR SA	0.67ms from Paris, FR
51.148.177.182	AS13037 Zen Internet Ltd	1.88ms from Manchester, GB
218.228.146.166	AS17511 OPTAGE Inc.	2.22ms from Osaka, JP
99.115.85.54	AS7018 AT&T Enterprises, LLC	11.47ms from San Jose, US
12.250.86.230	AS7018 AT&T Enterprises, LLC	3.55ms from San Jose, US
20.23.121.214	AS8075 Microsoft Corporation	0.23ms from Amsterdam, NL
50.240.13.70	AS7922 Comcast Cable Communications, LLC	12.99ms from Denver, US
90.187.110.6	AS3209 Vodafone GmbH	0.99ms from Hamburg, DE
3.11.40.54	AS16509 Amazon.com, Inc.	0.14ms from London, GB
201.103.203.246	AS8151 UNINET	3.92ms from Santiago de Queretaro, MX
175.206.154.198	AS4766 Korea Telecom	4.36ms from Seoul, KR
121.75.134.198	AS9500 One New Zealand Group Limited	1.54ms from Auckland, NZ
187.205.33.118	AS8151 UNINET	6.32ms from Guadalajara, MX

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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