203.121.204.0/23

AS45763 · Opticomm Co Pty Ltd

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Summary

Country	Australia
Domain	opticomm.net.au
ASN	AS45763
Registry	APNIC
ID	OPTICOMMCOPTYLTD-AU

WHOIS Details

inetnum:        203.121.192.0 - 203.121.207.255
netname:        OPTICOMMCOPTYLTD-AU
descr:          Opticomm Co Pty Ltd
country:        AU
admin-c:        DA555-AP
tech-c:         DA555-AP
abuse-c:        AO356-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-OPTICOMMCOPTYLTD-AU
mnt-irt:        IRT-OPTICOMMCOPTYLTD-AU
last-modified:  2025-03-27T04:33:17Z
source:         APNIC

irt:            IRT-OPTICOMMCOPTYLTD-AU
address:        22 Salmon Street, Port Melbourne. VIC. 3207
e-mail:         b2bsupport@opticomm.net.au
abuse-mailbox:  noc@opticomm.net.au
admin-c:        DA555-AP
tech-c:         DA555-AP
auth:           # Filtered
remarks:        noc@opticomm.net.au was validated on 2025-03-21
remarks:        b2bsupport@opticomm.net.au was validated on 2025-08-20
mnt-by:         MAINT-OPTICOMMCOPTYLTD-AU
last-modified:  2025-08-20T23:40:11Z
source:         APNIC

role:           ABUSE OPTICOMMCOPTYLTDAU
country:        ZZ
address:        22 Salmon Street, Port Melbourne. VIC. 3207
phone:          +000000000
e-mail:         b2bsupport@opticomm.net.au
admin-c:        DA555-AP
tech-c:         DA555-AP
nic-hdl:        AO356-AP
remarks:        Generated from irt object IRT-OPTICOMMCOPTYLTD-AU
remarks:        noc@opticomm.net.au was validated on 2025-03-21
remarks:        b2bsupport@opticomm.net.au was validated on 2025-08-20
abuse-mailbox:  noc@opticomm.net.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-20T23:40:18Z
source:         APNIC

person:         Domain Administrator
address:        22 Salmon Street, Port Melbourne. VIC. 3207
country:        AU
phone:          +61-3-9024-9500
e-mail:         domain-admin@opticomm.net.au
nic-hdl:        DA555-AP
mnt-by:         MAINT-OPTICOMMCOPTYLTD-AU
last-modified:  2020-02-21T07:45:06Z
source:         APNIC

route:          203.121.192.0/20
origin:         AS45763
descr:          Opticomm Co Pty Ltd 44 Currie Street Level 1
mnt-by:         MAINT-OPTICOMMCOPTYLTD-AU
last-modified:  2025-03-27T05:12:10Z
source:         APNIC

Hosted domains

There are 23 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.121.204.138	dgm-software.com	3

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

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

IP Address	ASN	Details
203.121.205.192	AS45763 Opticomm Co Pty Ltd	`1.09ms` from Melbourne, AU
203.121.204.2	AS45763 Opticomm Co Pty Ltd	`0.72ms` 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
181.124.17.39	AS23201 Telecel S.A.	`8.94ms` from Asuncion, PY
72.251.147.231	AS398446 Cooperative Connection, LLC	`6.34ms` from Atlanta, US
3.145.88.55	AS16509 Amazon.com, Inc.	`0.14ms` from Columbus, US
88.72.52.39	AS3209 Vodafone GmbH	`4.81ms` from Frankfurt am Main, DE
88.18.87.23	AS3352 TELEFONICA DE ESPANA S.A.U.	`10.97ms` from Madrid, ES
168.221.82.215	AS20214 Comcast Cable Communications, LLC	`1.96ms` from Miami, US
133.155.74.199	AS7524 ITEC HANKYU HANSHIN CO.,LTD.	`1.09ms` from Osaka, JP
34.234.24.39	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US
64.185.160.7	AS40009 BitGravity, Inc.	`0.75ms` from San Jose, US
199.127.69.231	AS40782 Vivint, Inc.	`0.81ms` from San Jose, US
148.255.223.215	AS6400 Compañía Dominicana de Teléfonos S. A.	`2.75ms` from Santo Domingo, DO
14.76.137.119	AS4766 Korea Telecom	`7.89ms` from Seoul, KR
52.76.3.215	AS16509 Amazon.com, Inc.	`0.16ms` from Singapore, SG
126.213.228.199	AS17676 SoftBank Corp.	`16.77ms` from Tokyo, JP
195.169.133.199	AS1103 SURF B.V.	`3.21ms` from Amsterdam, NL
109.93.177.247	AS8400 TELEKOM SRBIJA a.d.	`4.52ms` from Belgrade, RS
76.181.220.199	AS10796 Charter Communications Inc	`19.00ms` from Columbus, US
108.129.247.247	AS16509 Amazon.com, Inc.	`0.44ms` from Dublin, IE
14.178.41.23	AS45899 VNPT Corp	`1.90ms` from Hanoi, VN
213.31.188.199	AS6871 Plusnet	`3.62ms` from London, GB
175.36.214.71	AS4804 Microplex PTY LTD	`3.87ms` from Melbourne, AU
98.48.133.7	AS7922 Comcast Cable Communications, LLC	`15.10ms` from Miami, US
23.33.149.151	AS16625 Akamai Technologies, Inc.	`0.08ms` from Santiago, CL
61.105.216.199	AS9318 SK Broadband Co Ltd	`6.77ms` from Seoul, KR
20.27.51.103	AS8075 Microsoft Corporation	`0.17ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -f5 203.121.204.4

traceroute to 203.121.204.4 (203.121.204.4): 64 hops max, 52 byte packets

5 [] 202.77.90.17 0.942 ms

6 [AS45763] 203.121.204.4 3.377 ms

Measurement taken from

IPinfo ProbeNet in Melbourne, AU

On August 22nd 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.

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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