203.121.200.0/21
AS45763 · Opticomm Co Pty Ltd
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| 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: noc@opticomm.com.au abuse-mailbox: abuse@opticomm.com.au admin-c: DA555-AP tech-c: DA555-AP auth: # Filtered remarks: abuse@opticomm.com.au was validated on 2026-03-11 mnt-by: MAINT-OPTICOMMCOPTYLTD-AU last-modified: 2026-03-11T13:15:42Z source: APNIC role: ABUSE OPTICOMMCOPTYLTDAU country: ZZ address: 22 Salmon Street, Port Melbourne. VIC. 3207 phone: +000000000 e-mail: noc@opticomm.com.au admin-c: DA555-AP tech-c: DA555-AP nic-hdl: AO356-AP remarks: Generated from irt object IRT-OPTICOMMCOPTYLTD-AU remarks: abuse@opticomm.com.au was validated on 2026-03-11 abuse-mailbox: abuse@opticomm.com.au mnt-by: APNIC-ABUSE last-modified: 2026-03-11T13:16:22Z 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
Nearby Ranges
BGP prefixes that overlap with 203.121.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 203.121.64.0/18 | AS9930 | TT DOTCOM SDN BHD | 16,384 |
| 203.121.32.0/19 | AS9930 | TT DOTCOM SDN BHD | 8,192 |
| 203.121.0.0/19 | AS9930 | TT DOTCOM SDN BHD | 8,192 |
| 203.121.32.0/19 | AS19551 | TT DOTCOM SDN BHD | 8,192 |
| 203.121.224.0/20 | AS18419 | DaDa Broadband Ltd. | 4,096 |
| 203.121.240.0/20 | AS18419 | DaDa Broadband Ltd. | 4,096 |
| 203.121.128.0/20 | AS4765 | Pacific Internet Pte Ltd | 4,096 |
| 203.121.160.0/22 | AS4765 | Pacific Internet Pte Ltd | 1,024 |
| 203.121.164.0/23 | AS4765 | Pacific Internet Pte Ltd | 512 |
| 203.121.134.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.135.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.136.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.137.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.138.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.139.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.140.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.141.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.142.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.143.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.145.0/24 | AS4765 | Pacific Internet Pte Ltd | 256 |
| 203.121.148.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.149.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.150.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.151.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.160.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.161.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.162.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.163.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.164.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.172.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.173.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.178.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.179.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.186.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.129.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.128.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.132.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
| 203.121.225.0/24 | AS18419 | DaDa Broadband Ltd. | 256 |
| 203.121.133.0/24 | AS4765 | Pacific Internet (Thailand) Ltd. | 256 |
Hosted domains
There are 29 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|
Hosted domains API
Pingable IPs
210 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 203.121.202.190 |
0.49ms from Sydney,
AU
|
|
| 203.121.205.120 |
0.99ms from Melbourne,
AU
|
|
| 203.121.204.1 |
0.54ms 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 |
|---|---|---|
| 66.135.48.21 |
0.56ms from Ashburn,
US
|
|
| 69.24.137.85 |
0.54ms from Atlanta,
US
|
|
| 34.69.189.213 |
0.10ms from Council Bluffs,
US
|
|
| 27.2.39.37 |
12.27ms from Ho Chi Minh City,
VN
|
|
| 185.20.40.5 |
3.40ms from Lyon,
FR
|
|
| 213.232.135.5 |
4.79ms from Milan,
IT
|
|
| 68.53.124.85 |
7.60ms from Murfreesboro,
US
|
|
| 45.172.113.85 |
7.19ms from Rio de Janeiro,
BR
|
|
| 176.194.85.165 |
15.71ms from Samara,
RU
|
|
| 78.12.221.69 |
0.35ms from Santiago de Queretaro,
MX
|
|
| 175.24.235.101 |
0.97ms from Shanghai,
CN
|
|
| 188.166.118.133 |
0.25ms from Amsterdam,
NL
|
|
| 131.250.143.21 |
0.33ms from Ashburn,
US
|
|
| 184.70.119.197 |
1.00ms from Calgary,
CA
|
|
| 87.39.204.5 |
3.65ms from Dublin,
IE
|
|
| 93.202.64.181 |
3.41ms from Duesseldorf,
DE
|
|
| 14.244.55.37 |
3.32ms from Hanoi,
VN
|
|
| 59.188.193.5 |
1.26ms from Hong Kong,
HK
|
|
| 219.146.145.245 |
4.96ms from Jinan,
CN
|
|
| 165.90.27.133 |
9.32ms from Nairobi,
KE
|
|
| 153.99.171.37 |
7.55ms from Nanjing,
CN
|
|
| 89.29.51.101 |
5.55ms from Prague,
CZ
|
|
| 93.153.186.213 |
2.04ms from Saint Petersburg,
RU
|
|
| 3.113.73.21 |
0.19ms from Tokyo,
JP
|
|
| 114.185.35.181 |
9.13ms from Tokyo,
JP
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
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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