49.176.128.0/20

AS4804 · Microplex PTY LTD

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Summary

Country	Australia
Domain	optus.net.au
ASN	AS4804
Parent Range	49.176.0.0/12
Registry	APNIC
ID	OPTUSINTERNET-AU

WHOIS Details

inetnum:        49.176.0.0 - 49.191.255.255
netname:        OPTUSINTERNET-AU
descr:          Optus Internet Pty Ltd
descr:          Building A, 2nd Floor
descr:          1 Lyonpark Road
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:  2021-01-15T01:45:07Z
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:  2025-11-18T00:26:27Z
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:         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:          49.176.0.0/12
origin:         AS4804
descr:          Optus Internet Pty Ltd Building F, 3rd Floor 1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2021-06-17T21:43:53Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 49.176.128.0/20

Range	ASN	Company	Num of IPs
49.176.0.0/12	AS4804	Optus Internet Pty Ltd	1,048,576

Nearby Ranges

BGP prefixes that overlap with 49.176.0.0/16

Range	ASN	Company	Num of IPs
49.176.0.0/12	AS4804	Optus Internet Pty Ltd	1,048,576

Hosted domains

There are 9 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
49.176.132.103	raicl.info	2
49.176.133.24	horsfall.org	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

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

IP Address	ASN	Details
49.176.130.174	AS4804 Microplex PTY LTD	`5.09ms` from Sydney, AU
49.176.131.214	AS4804 Microplex PTY LTD	`11.20ms` from Sydney, AU
49.176.132.132	AS4804 Microplex PTY LTD	`4.67ms` from Sydney, AU
49.176.129.106	AS4804 Microplex PTY LTD	`5.63ms` from Sydney, AU
49.176.133.52	AS4804 Microplex PTY LTD	`5.62ms` from Sydney, AU
49.176.128.2	AS4804 Microplex PTY LTD	`1.33ms` 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
104.190.32.212	AS7018 AT&T Enterprises, LLC	`11.31ms` from Chicago, US
46.65.34.228	AS5607 Sky UK Limited	`6.04ms` from London, GB
90.241.223.4	AS5378 Vodafone Limited	`2.57ms` from Manchester, GB
75.194.99.180	AS6167 Verizon Business	`15.59ms` from Miami, US
37.207.225.164	AS3269 Telecom Italia S.p.A.	`15.48ms` from Rome, IT
72.107.190.164	AS6167 Verizon Business	`10.13ms` from Seattle, US
1.223.113.36	AS3786 LG DACOM Corporation	`1.96ms` from Seoul, KR
114.23.42.4	AS56030 Voyager Internet Ltd.	`0.45ms` from Sydney, AU
175.184.36.68	AS2510 FUJITSU LIMITED	`3.59ms` from Tokyo, JP
135.23.36.4	AS5645 TekSavvy Solutions, Inc.	`7.33ms` from Toronto, CA
156.203.43.196	AS8452 TE-AS	`4.19ms` from Cairo, EG
87.165.193.68	AS3320 Deutsche Telekom AG	`5.32ms` from Frankfurt am Main, DE
73.55.193.52	AS7922 Comcast Cable Communications, LLC	`7.51ms` from Houston, US
117.197.179.20	AS9829 National Internet Backbone	`2.39ms` from Kolkata, IN
76.82.71.164	AS20001 Charter Communications Inc	`5.43ms` from Los Angeles, US
45.235.175.228	AS28394 Bicentel SA de CV	`0.57ms` from Mexico City, MX
84.18.136.100	AS20811 Retelit Digital Services S.p.A.	`4.13ms` from Milan, IT
86.233.157.52	AS3215 Orange S.A.	`8.34ms` from Paris, FR
103.63.190.52	AS135375 Today Communication Co.,Ltd	`0.78ms` from Phnom Penh, KH
152.0.54.52	AS6400 Compañía Dominicana de Teléfonos S. A.	`4.72ms` from Santo Domingo, DO
163.213.59.228	AS4766 Korea Telecom	`5.17ms` from Seoul, KR
109.188.130.116	AS31213 PJSC MegaFon	`7.64ms` from Tallinn, EE
104.195.237.52	AS5645 TekSavvy Solutions, Inc.	`1.69ms` from Toronto, CA
123.162.180.228	AS4134 CHINANET-BACKBONE	`7.56ms` from Zhengzhou, CN
217.77.150.164	AS12902 Luna.nl B.V.	`1.73ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 49.176.128.135

traceroute to 49.176.128.135 (49.176.128.135): 64 hops max, 52 byte packets

1 [AS396356] 91.242.215.2 10.851 ms

2 *

3 [AS6421] 202.183.72.64 0.568 ms

4 [AS7474] 220.101.73.73 0.471 ms

5 *

6 *

7 *

8 [AS4804] 210.49.105.18 2.298 ms

9 *

10 [AS4804] 49.176.128.135 11.115 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On December 14th 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.

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