203.21.53.0/24
AS1221 · Telstra Limited
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WHOIS Details
inetnum: 203.21.48.0 - 203.21.63.255 netname: DATAACTION-AU descr: Data Action Pty Ltd descr: L3 55 Currie Street descr: Adelaide descr: SA 5000 country: AU org: ORG-DAPL1-AP admin-c: DHD1-AP tech-c: DHD1-AP abuse-c: AD788-AP status: ALLOCATED PORTABLE mnt-by: APNIC-HM mnt-lower: MAINT-AU-DATAACTION mnt-irt: IRT-DATAACTION-NON-AU mnt-routes: MAINT-AU-DATAACTION last-modified: 2020-10-12T03:23:51Z source: APNIC irt: IRT-DATAACTION-NON-AU address: Level 3 address: 55 Currie Street address: Adelaide address: SA 5000 e-mail: [email protected] abuse-mailbox: [email protected] admin-c: DHD1-AP tech-c: DHD1-AP auth: # Filtered remarks: [email protected] was validated on 2025-12-16 mnt-by: MAINT-AU-DATAACTION last-modified: 2025-12-16T23:35:05Z source: APNIC organisation: ORG-DAPL1-AP org-name: Data Action Pty Ltd org-type: LIR country: AU address: Level 3 , 55 Currie Street, phone: +618-8201-1000 fax-no: +618-8410-0175 e-mail: [email protected] mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2025-12-17T13:02:13Z source: APNIC role: ABUSE DATAACTIONNONAU country: ZZ address: Level 3 address: 55 Currie Street address: Adelaide address: SA 5000 phone: +000000000 e-mail: [email protected] admin-c: DHD1-AP tech-c: DHD1-AP nic-hdl: AD788-AP remarks: Generated from irt object IRT-DATAACTION-NON-AU remarks: [email protected] was validated on 2025-12-16 abuse-mailbox: [email protected] mnt-by: APNIC-ABUSE last-modified: 2025-12-16T23:35:48Z source: APNIC role: DATAACTION HELP DESK address: Level 3 address: 55 Currie Street address: Adelaide address: SA 5000 country: AU phone: +61-8-8201 1400 admin-c: DHD1-AP tech-c: DHD1-AP nic-hdl: DHD1-AP mnt-by: MAINT-AU-DATAACTION e-mail: [email protected] remarks: any query please contact [email protected] notify: [email protected] last-modified: 2024-09-16T05:00:17Z source: APNIC
Nearby Ranges
BGP prefixes that overlap with 203.21.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 203.21.112.0/21 | AS133612 | VODAFONE AUSTRALIA PTY LIMITED | 2,048 |
| 203.21.24.0/21 | AS703 | Verizon Australia PTY Limited | 2,048 |
| 203.21.140.0/22 | AS135409 | Kacific Broadband Satellites Pte Ltd | 1,024 |
| 203.21.108.0/22 | AS133612 | VODAFONE AUSTRALIA PTY LIMITED | 1,024 |
| 203.21.150.0/23 | AS137896 | Hunter Water Corporation | 512 |
| 203.21.128.0/23 | AS2764 | St. Vincent's Health & Aged Care Ltd. | 512 |
| 203.21.130.0/23 | AS10148 | The University of Melbourne | 512 |
| 203.21.42.0/23 | AS56118 | 47/111 Tiwanon Road | 512 |
| 203.21.76.0/23 | AS38549 | Viewbank Rise Networks | 512 |
| 203.21.66.0/24 | AS209854 | Cyberzone S.A. | 256 |
| 203.21.4.0/24 | AS216053 | Data Cloud Technology d.o.o Kragujevac | 256 |
| 203.21.7.0/24 | AS24448 | Synamedia Technologies (India) Private Limited | 256 |
| 203.21.79.0/24 | AS2764 | First Linear | 256 |
| 203.21.72.0/24 | AS395793 | Mistic Internet Security Pty Ltd | 256 |
| 203.21.125.0/24 | AS45671 | MailGuard Pty. Ltd. | 256 |
| 203.21.20.0/24 | AS4739 | iiNet Limited | 256 |
| 203.21.134.0/24 | AS58716 | Penrith City Council | 256 |
| 203.21.5.0/24 | AS7545 | Micronica | 256 |
| 203.21.78.0/24 | AS7545 | iiNet Limited | 256 |
| 203.21.121.0/24 | AS7575 | Universities Australia | 256 |
| 203.21.37.0/24 | AS7575 | Australian Academic and Research Network | 256 |
| 203.21.83.0/24 | AS7647 | OnTheNet Pty Ltd | 256 |
| 203.21.95.0/24 | AS9009 | Formosa Sydney Pty Limited | 256 |
| 203.21.22.0/24 | AS9266 | Fiveways International Limited | 256 |
| 203.21.207.0/24 | AS10143 | Infinet Group Pty Ltd | 256 |
| 203.21.12.0/24 | AS9650 | CITEC | 256 |
| 203.21.9.0/24 | AS10143 | OCTEC Incorporated | 256 |
| 203.21.40.0/24 | AS133015 | City of Stirling | 256 |
| 203.21.140.0/24 | AS135409 | Western Samoa Pool | 256 |
| 203.21.65.0/24 | AS154329 | Phoenix Business Solutions Australia Pty Ltd | 256 |
| 203.21.120.0/24 | AS17882 | Univision LLC | 256 |
| 203.21.21.0/24 | AS17889 | Intraceptives Pty Ltd | 256 |
| 203.21.104.0/24 | AS18986 | Calligo (Canada) Inc. | 256 |
| 203.21.47.0/24 | AS18986 | Calligo (Canada) Inc. | 256 |
Hosted domains
There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 203.21.53.60 | videoccps.com.au | 1 |
Hosted domains API
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 |
|---|---|---|
| 20.56.157.168 |
0.33ms from Amsterdam,
NL
|
|
| 76.125.172.248 |
12.75ms from Ashburn,
US
|
|
| 52.27.234.88 |
0.14ms from Boardman,
US
|
|
| 75.228.161.72 |
17.52ms from Boston,
US
|
|
| 63.96.229.8 |
1.07ms from Dallas,
US
|
|
| 104.55.194.88 |
8.04ms from Dallas,
US
|
|
| 3.255.161.152 |
0.55ms from Dublin,
IE
|
|
| 92.239.147.88 |
8.32ms from London,
GB
|
|
| 213.31.23.184 |
6.25ms from London,
GB
|
|
| 188.218.161.24 |
7.69ms from Milan,
IT
|
|
| 178.120.179.104 |
6.39ms from Minsk,
BY
|
|
| 186.53.230.232 |
1.65ms from Montevideo,
UY
|
|
| 177.172.98.184 |
2.38ms from Osasco,
BR
|
|
| 90.25.222.24 |
3.33ms from Paris,
FR
|
|
| 173.3.37.248 |
8.99ms from Piscataway,
US
|
|
| 201.49.168.8 |
17.86ms from Sao Paulo,
BR
|
|
| 182.218.252.24 |
2.16ms from Seoul,
KR
|
|
| 14.32.25.120 |
1.06ms from Seoul,
KR
|
|
| 153.221.67.40 |
7.19ms from Tokyo,
JP
|
|
| 176.58.131.56 |
14.47ms from Volos,
GR
|
|
| 105.105.139.152 |
14.31ms from Algiers,
DZ
|
|
| 128.2.156.40 |
6.10ms from Ashburn,
US
|
|
| 108.67.134.152 |
18.28ms from Chicago,
US
|
|
| 1.6.251.8 |
0.95ms from Delhi,
IN
|
|
| 34.254.12.136 |
0.24ms from Dublin,
IE
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Riyadh, SA
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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