58.145.144.0/21

AS4804  ·  Microplex PTY LTD

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Summary

Country Australia
Domain optus.net.au
ASN AS4804
Parent Range 58.145.128.0/19
Registry APNIC
ID OPTUSINTERNET-AU

WHOIS Details

inetnum:        58.145.128.0 - 58.145.159.255
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        OI3-AP
tech-c:         OI3-AP
auth:           # Filtered
remarks:        [email protected] 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:         [email protected]
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:         [email protected]
admin-c:        OI3-AP
tech-c:         OI3-AP
nic-hdl:        AO400-AP
remarks:        Generated from irt object IRT-OPTUSINTERNET-AU
remarks:        [email protected] was validated on 2025-06-18
abuse-mailbox:  [email protected]
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:         [email protected]
admin-c:        OI1-AP
tech-c:         OI1-AP
nic-hdl:        OI3-AP
notify:         [email protected]
mnt-by:         MAINT-AU-OPTUSINTERNET
remarks:        send spam/abuse reports to [email protected]
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:          58.145.128.0/19
origin:         AS4804
descr:          Optus Internet Pty Ltd Building F, 3rd Floor 1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2024-02-05T08:48:31Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 58.145.144.0/21

Range ASN Company Num of IPs
58.145.128.0/19 AS4804 OPTUS INTERNET - RETAIL 8,192

Nearby Ranges

BGP prefixes that overlap with 58.145.0.0/16

Range ASN Company Num of IPs
58.145.0.0/17 AS38097 SK Broadband Co Ltd 32,768
58.145.0.0/17 AS38096 SK Broadband Co Ltd 32,768
58.145.0.0/17 AS9689 SK Broadband Co Ltd 32,768
58.145.128.0/19 AS4804 OPTUS INTERNET - RETAIL 8,192
58.145.168.0/21 AS46054 PT Wahana Lintas Nusa Persada 2,048
58.145.160.0/21 AS59108 KATCH Network Inc. 2,048
58.145.190.0/24 AS24432 Robi Axiata Ltd - DATA 256
58.145.191.0/24 AS24432 Robi Axiata Ltd - Infrastructure 256
58.145.227.0/24 AS45166 PACIFIC INTERNET HK DIA 256
58.145.229.0/24 AS45166 Pacific Internet Network Solutions (Philippines) Inc 256
58.145.230.0/24 AS45166 PACIFIC INTERNET DIA 256
58.145.184.0/24 AS24432 Robi Axitata Ltd- DATA 256
58.145.235.0/24 AS4628 Pacific Internet Pte Ltd 256
58.145.236.0/24 AS4628 PACIFIC INTERNET BROADBAND 256
58.145.237.0/24 AS4628 PACIFIC INTERNET BROADBAND 256
58.145.238.0/24 AS4628 PACIFIC INTERNET BROADBAND 256
58.145.239.0/24 AS4628 PACIFIC INTERNET BROADBAND 256
58.145.199.0/24 AS4637 Telstra Global Internet Service 256
58.145.225.0/24 AS4637 Telstra Global Internet Service 256
58.145.228.0/24 AS4637 Telstra Global Internet Services Network Blocks 256
58.145.234.0/24 AS4637 Telstra Global Internet Services Network Blocks 256
58.145.233.0/24 AS56251 PT Acclivis Technologies and Solutions 256
58.145.232.0/24 AS4628 PACIFIC INTERNET BROADBAND 256
58.145.185.0/24 AS24432 Robi Axitata Ltd- DATA 256
58.145.186.0/24 AS24432 Robi Axitata Ltd- DATA 256
58.145.187.0/24 AS24432 Robi Axitata Ltd- DATA 256
58.145.188.0/24 AS24432 Robi Axiata Ltd - IT Services 256
58.145.189.0/24 AS24432 Robi Axiata Ltd - DATA 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

Pingable IPs

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

IP Address ASN Details
58.145.151.11 AS4804 Microplex PTY LTD 1.60ms from Melbourne, AU
58.145.148.20 AS4804 Microplex PTY LTD 0.92ms from Melbourne, 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
108.48.207.85 AS701 Verizon Business 2.18ms from Ashburn, US
34.76.8.5 AS396982 Google LLC 0.13ms from Brussels, BE
73.209.56.5 AS7922 Comcast Cable Communications, LLC 4.37ms from Chicago, US
79.254.202.213 AS3320 Deutsche Telekom AG 3.23ms from Frankfurt am Main, DE
46.170.58.229 AS5617 Orange Polska Spolka Akcyjna 3.96ms from Gdansk, PL
111.12.159.21 AS9808 China Mobile Communications Group Co., Ltd. 5.08ms from Lanzhou, CN
60.17.82.69 AS4837 CHINA UNICOM China169 Backbone 8.32ms from Liaoyang, CN
86.190.139.133 AS2856 British Telecommunications PLC 2.04ms from London, GB
71.93.120.229 AS20115 Charter Communications LLC 6.37ms from Los Angeles, US
82.54.224.133 AS3269 Telecom Italia S.p.A. 8.50ms from Milan, IT
91.149.143.5 AS31143 COSMOS TV JLLC 1.16ms from Minsk, BY
121.244.133.165 AS4755 TATA Communications formerly VSNL is Leading ISP 0.78ms from Mumbai, IN
49.45.138.101 AS55836 Reliance Jio Infocomm Limited 2.70ms from Mumbai, IN
88.184.134.197 AS12322 Free SAS 14.42ms from Paris, FR
66.251.87.69 AS7029 Windstream Communications LLC 4.31ms from Secaucus, US
77.41.138.197 AS34747 PJSC "Vimpelcom" 9.18ms from Yekaterinburg, RU
20.31.86.181 AS8075 Microsoft Corporation 0.21ms from Amsterdam, NL
139.217.92.245 AS58593 Shanghai Blue Cloud Technology Co.,Ltd 3.59ms from Beijing, CN
179.251.66.37 AS26615 TIM S/A 13.10ms from Fortaleza, BR
88.28.187.245 AS3352 TELEFONICA DE ESPANA S.A.U. 17.30ms from Madrid, ES
50.227.2.149 AS7922 Comcast Cable Communications, LLC 1.26ms from Miami, US
23.193.53.149 AS16625 Akamai Technologies, Inc. 0.12ms from Mumbai, IN
39.185.49.5 AS56041 China Mobile communications corporation 7.32ms from Ningbo, CN
176.197.185.165 AS39927 E-Light-Telecom Ltd. 7.52ms from Novosibirsk, RU
133.17.212.21 AS2907 Research Organization of Information and Systems, National Institute of Informatics 12.47ms from Osaka, JP

Traceroute

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

$
traceroute -a -n -q1 -f2 -m19 58.145.147.135
traceroute to 58.145.147.135 (58.145.147.135): 19 hops max, 52 byte packets
3 *
4 [AS3356] 171.75.9.108 17.169 ms
5 [AS3356] 4.68.70.162 17.395 ms
6 *
7 [AS6453] 195.219.175.7 179.143 ms
8 *
9 *
10 [AS6453] 64.86.143.82 180.753 ms
11 *
12 *
13 *
14 [AS4804] 211.29.129.37 298.472 ms
15 *
16 [AS4804] 211.29.129.37 298.778 ms
17 *
18 *
19 *
Measurement taken from IPinfo ProbeNet in Ljubljana, SI
On

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