210.49.21.0/24

AS4804 · Microplex PTY LTD

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Summary

Country	Australia
Domain	optus.net.au
ASN	AS4804
Parent Range	210.49.0.0/16
Registry	APNIC
ID	OPTUSINTERNET-AU

WHOIS Details

inetnum:        210.49.0.0 - 210.49.255.255
netname:        OPTUSINTERNET-AU
descr:          OPTUS INTERNET - RETAIL
descr:          INTERNET SERVICES
descr:          St Leonards, NSW
country:        AU
org:            ORG-OIPL5-AP
admin-c:        OI3-AP
tech-c:         OI3-AP
abuse-c:        AO400-AP
status:         ALLOCATED PORTABLE
remarks:        210.49.0.0-210.49.127.255 allocated 20010430
remarks:        210.49.128.0-210.49.255.255 allocated 20010822
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AU-OPTUSINTERNET
mnt-routes:     MAINT-AU-OPTUSINTERNET
mnt-irt:        IRT-OPTUSINTERNET-AU
last-modified:  2024-02-05T08:07:08Z
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:          210.49.0.0/16
origin:         AS4804
descr:          Optus Internet Pty Ltd Building F, 3rd Floor 1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2024-02-05T08:24:16Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 210.49.21.0/24

Range	ASN	Company	Num of IPs
210.49.0.0/16	AS4804	OPTUS INTERNET - RETAIL	65,536

Nearby Ranges

BGP prefixes that overlap with 210.49.0.0/16

Range	ASN	Company	Num of IPs
210.49.0.0/16	AS4804	OPTUS INTERNET - RETAIL	65,536
210.49.61.0/24	AS4804	OPTUS INTERNET - RETAIL	256

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
93.232.142.232	AS3320 Deutsche Telekom AG	4.05ms from Berlin, DE
44.244.92.184	AS16509 Amazon.com, Inc.	0.27ms from Boardman, US
91.49.250.104	AS3320 Deutsche Telekom AG	2.12ms from Duesseldorf, DE
79.200.18.152	AS3320 Deutsche Telekom AG	12.00ms from Frankfurt am Main, DE
62.28.154.200	AS15525 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	0.93ms from Lisbon, PT
128.97.239.200	AS52 University of California, Los Angeles	1.50ms from Los Angeles, US
132.226.32.184	AS31898 Oracle Corporation	0.27ms from Ashburn, US
45.36.109.104	AS11426 Charter Communications Inc	10.98ms from Charlotte, US
154.91.66.88	AS399077 Tcloudnet	1.70ms from Hong Kong, HK
84.232.240.88	AS8708 DIGI ROMANIA S.A.	1.52ms from Timisoara, RO
18.172.156.8	AS16509 Amazon.com, Inc.	0.13ms from London, GB
86.211.91.56	AS3215 Orange S.A.	2.58ms from Marseille, FR
68.202.129.40	AS33363 Charter Communications, Inc	5.33ms from Orlando, US
85.166.233.40	AS2119 Telenor Norge AS	1.23ms from Oslo, NO
211.246.185.232	AS9694 Seokyung Cable Television Co.. Ltd.	7.57ms from Seoul, KR
218.0.113.8	AS4134 CHINANET-BACKBONE	10.49ms from Shanghai, CN
54.253.241.56	AS16509 Amazon.com, Inc.	0.12ms from Sydney, AU
186.55.255.88	AS6057 Administracion Nacional de Telecomunicaciones	1.69ms from Montevideo, UY
192.135.35.232	AS137 Consortium GARR	6.61ms from Rome, IT
115.2.238.184	AS4766 Korea Telecom	1.63ms from Seoul, KR
126.45.92.136	AS17676 SoftBank Corp.	4.07ms from Tokyo, JP
101.47.89.232	AS150436 Byteplus Pte. Ltd.	0.15ms from Hong Kong, HK
99.165.94.136	AS7018 AT&T Enterprises, LLC	2.75ms from Houston, US
189.237.141.72	AS8151 UNINET	15.03ms from Phoenix, US
125.137.84.88	AS4766 Korea Telecom	4.83ms from Seoul, KR

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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