220.239.128.0/21

AS4804  ·  Microplex PTY LTD

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Summary

Country Australia
Domain optus.net.au
ASN AS4804
Parent Range 220.236.0.0/14
Registry APNIC
ID OPTUSINTERNET-AU

WHOIS Details

inetnum:        220.236.0.0 - 220.239.255.255
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 2025-12-23
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2025-12-23T22:44:35Z
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 2025-12-23
abuse-mailbox:  abuse@optusnet.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T22:44:46Z
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:          220.236.0.0/14
origin:         AS4804
descr:          Optus Internet Pty Ltd Building F, 3rd Floor 1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2024-02-05T08:48:06Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 220.239.128.0/21

Range ASN Company Num of IPs
220.236.0.0/14 AS4804 OPTUS INTERNET - RETAIL 262,144

Nearby Ranges

BGP prefixes that overlap with 220.239.0.0/16

Range ASN Company Num of IPs
220.236.0.0/14 AS4804 OPTUS INTERNET - RETAIL 262,144

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

Pingable IPs

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

IP Address ASN Details
220.239.128.1 AS4804 Microplex PTY LTD 1.24ms 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
8.140.197.213 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 1.73ms from Beijing, CN
200.58.152.213 AS19422 Telefonica Moviles del Uruguay SA 8.86ms from Buenos Aires, AR
24.242.41.21 AS11427 Charter Communications Inc 6.39ms from Dallas, US
52.211.0.85 AS16509 Amazon.com, Inc. 0.24ms from Dublin, IE
180.240.62.21 AS7713 PT Telekomunikasi Indonesia 13.75ms from Jakarta, ID
78.6.28.181 AS8968 BT Italia S.p.A. 1.21ms from Milan, IT
192.81.232.133 AS26718 WOLVERINE TRADING TECHNOLOGIES, LLC 0.82ms from Mount Prospect, US
72.11.206.229 AS16524 MetTel 0.42ms from New York City, US
110.42.106.5 AS136188 NINGBO, ZHEJIANG Province, P.R.China. 0.12ms from Ningbo, CN
93.241.227.37 AS3320 Deutsche Telekom AG 4.04ms from Nuernberg, DE
76.18.255.69 AS7922 Comcast Cable Communications, LLC 11.30ms from Orlando, US
13.248.104.53 AS16509 Amazon.com, Inc. 0.07ms from Santiago, CL
212.5.140.101 AS8866 Vivacom Bulgaria EAD 0.52ms from Sofia, BG
185.162.45.101 AS201341 trafficforce, UAB 0.19ms from Vilnius, LT
154.246.157.101 AS36947 Telecom Algeria 13.05ms from Algiers, DZ
38.106.243.181 AS36498 Access One Inc. 0.54ms from Chicago, US
86.191.60.101 AS2856 British Telecommunications PLC 2.16ms from Erith, GB
37.84.122.165 AS3320 Deutsche Telekom AG 14.04ms from Frankfurt am Main, DE
39.135.18.21 AS9808 China Mobile Communications Group Co., Ltd. 0.46ms from Guiyang, CN
112.197.18.21 AS45543 SaiGon Tourist cable Televition Company 0.64ms from Ho Chi Minh City, VN
221.214.15.133 AS4837 CHINA UNICOM China169 Backbone 1.58ms from Jinan, CN
86.142.26.69 AS2856 British Telecommunications PLC 7.35ms from London, GB
50.113.66.149 AS20001 Charter Communications Inc 6.10ms from Los Angeles, US
73.244.140.21 AS7922 Comcast Cable Communications, LLC 4.59ms from Miami, US
204.13.231.245 AS16427 Mirae Asset Securities (USA) Inc. 0.81ms from New York City, US

Traceroute

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

$
traceroute -a -n -q1 -m5 220.239.131.217
traceroute to 220.239.131.217 (220.239.131.217): 5 hops max, 52 byte packets
1 [AS15169] 142.251.228.106 168.526 ms
2 [AS15169] 192.178.97.140 168.578 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Dallas, US
On

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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