211.31.48.0/22

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 2025-12-23
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:          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 211.31.48.0/22

Range ASN Company Num of IPs
211.28.0.0/14 AS4804 OPTUS INTERNET - RETAIL 262,144

Nearby Ranges

BGP prefixes that overlap with 211.31.0.0/16

Range ASN Company Num of IPs
211.28.0.0/14 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

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
101.29.27.230 AS4837 CHINA UNICOM China169 Backbone 9.39ms from Beijing, CN
140.254.0.118 AS159 Ohio State University 1.53ms from Columbus, US
32.142.154.54 AS7018 AT&T Enterprises, LLC 0.81ms from Dallas, US
57.151.192.102 AS8075 Microsoft Corporation 0.69ms from Dallas, US
82.17.2.166 AS5089 Virgin Media Limited 5.38ms from Erith, GB
172.209.227.214 AS8075 Microsoft Corporation 0.19ms from Johannesburg, ZA
115.70.113.214 AS10143 Exetel Pty Ltd 1.54ms from Melbourne, AU
107.181.48.86 AS23089 Hotwire Communications 2.25ms from Miami, US
69.252.52.214 AS7922 Comcast Cable Communications, LLC 13.66ms from Miami, US
13.233.89.22 AS16509 Amazon.com, Inc. 0.12ms from Mumbai, IN
201.143.134.134 AS8151 UNINET 14.44ms from Phoenix, US
159.89.142.102 AS14061 DigitalOcean, LLC 0.22ms from San Jose, US
71.94.53.214 AS20115 Charter Communications LLC 7.21ms from San Jose, US
73.192.221.246 AS7922 Comcast Cable Communications, LLC 9.38ms from San Jose, US
220.65.74.198 AS17858 LG POWERCOMM 1.93ms from Seoul, KR
51.68.86.22 AS16276 OVH SAS 0.08ms from Strasbourg, FR
54.250.128.70 AS16509 Amazon.com, Inc. 0.17ms from Tokyo, JP
218.40.203.6 AS4725 SoftBank Corp. 1.66ms from Tokyo, JP
211.14.64.38 AS9605 NTT DOCOMO, INC. 1.49ms from Tokyo, JP
185.215.44.38 AS213245 ICT TELEKOMUNIKASYON SANAYI TICARET A.S. 15.63ms from Ankara, TR
104.12.154.182 AS7018 AT&T Enterprises, LLC 2.55ms from Chicago, US
107.11.91.198 AS10796 Charter Communications Inc 10.52ms from Columbus, US
72.180.40.230 AS11427 Charter Communications Inc 4.72ms from Dallas, US
121.204.171.246 AS133774 Fuzhou 1.63ms from Fuzhou, CN
27.45.205.70 AS17816 China Unicom IP network China169 Guangdong province 4.69ms from Guangzhou, CN

Traceroute

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

$
traceroute -a -n -q1 -m10 211.31.49.93
traceroute to 211.31.49.93 (211.31.49.93): 10 hops max, 52 byte packets
1 [AS15169] 142.251.228.106 207.288 ms
2 [AS15169] 192.178.97.86 206.973 ms
3 *
4 *
5 *
6 *
7 [AS4804] 211.29.126.130 226.12 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Montreal, CA
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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