211.29.108.0/22

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 211.29.108.0/22

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

Read more

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
203.210.247.150	AS45899 VNPT Corp	8.04ms from Da Nang, VN
210.176.199.150	AS4760 HKT Limited	1.07ms from Hong Kong, HK
200.30.84.6	AS13489 UNE EPM TELECOMUNICACIONES S.A.	16.08ms from Medellin, CO
91.165.119.230	AS12322 Free SAS	5.63ms from Paris, FR
62.212.116.70	AS13193 KEYYO SA	9.97ms from Paris, FR
92.244.219.70	AS31642 Varnamo Energi AB	8.54ms from Stockholm, SE
81.172.133.54	AS15435 DELTA Fiber Nederland B.V.	1.92ms from Amsterdam, NL
142.161.57.230	AS7122 Bell Canada	15.98ms from Chicago, US
74.225.160.246	AS8075 Microsoft Corporation	0.13ms from Lohogaon, IN
71.27.191.86	AS7922 Comcast Cable Communications, LLC	8.88ms from Miami, US
18.140.22.230	AS16509 Amazon.com, Inc.	0.09ms from Singapore, SG
52.192.205.166	AS16509 Amazon.com, Inc.	0.16ms from Tokyo, JP
178.129.8.150	AS28812 PJSC Bashinformsvyaz	9.07ms from Yekaterinburg, RU
212.92.6.150	AS8990 4iG Telecommunications Holding Zrt	0.92ms from Budapest, HU
102.43.182.118	AS8452 TE-AS	2.47ms from Cairo, EG
116.102.113.134	AS7552 Viettel Group	3.88ms from Ho Chi Minh City, VN
14.133.52.166	AS18126 Chubu Telecommunications Company, Inc.	7.51ms from Osaka, JP
206.121.17.86	AS7018 AT&T Enterprises, LLC	1.36ms from Philadelphia, US
49.176.11.54	AS4804 Microplex PTY LTD	7.50ms from Sydney, AU
118.194.255.38	AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED	0.39ms from Taipei, TW
185.246.171.198	AS202543 Mrejitor Ltd	0.70ms from Varna, BG
141.98.3.38	AS199939 KeenSystems B.V.	2.29ms from Amsterdam, NL
196.192.91.246	AS328001 Satsoft cc	4.38ms from Johannesburg, ZA
96.91.133.230	AS7922 Comcast Cable Communications, LLC	4.83ms from Atlanta, US
178.40.19.38	AS6855 Slovak Telekom, a.s.	7.36ms from Bratislava, SK

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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