203.21.20.0/24
AS4739 · Internode Pty Ltd
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| Country |
Australia
|
| Domain | iinet.net.au |
| ASN | AS4739 |
| Registry | APNIC |
| ID | IINET-AU |
WHOIS Details
inetnum: 203.21.20.0 - 203.21.20.255 netname: IINET-AU descr: iiNet Limited country: AU org: ORG-IL1-AP admin-c: NO20-AP tech-c: NO20-AP abuse-c: AI376-AP status: ASSIGNED PORTABLE mnt-by: APNIC-HM mnt-routes: MAINT-AU-IINET mnt-routes: MAINT-AU-WESTNET mnt-irt: IRT-IINET-AU last-modified: 2020-06-03T13:04:04Z source: APNIC irt: IRT-IINET-AU address: iiNet Limited address: Level 9, 250 St Georges Tce address: Perth address: WA 6000 e-mail: [email protected] abuse-mailbox: [email protected] admin-c: IH207-AP tech-c: IH207-AP auth: # Filtered remarks: [email protected] was validated on 2025-10-30 mnt-by: MAINT-AU-IH207-AP last-modified: 2026-01-14T02:44:47Z source: APNIC organisation: ORG-IL1-AP org-name: iiNet Limited org-type: LIR country: AU address: 502 Hay St phone: +61-8-9214-2222 fax-no: +61-8-9214-2211 e-mail: [email protected] mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:14:51Z source: APNIC role: ABUSE IINETAU country: ZZ address: iiNet Limited address: Level 9, 250 St Georges Tce address: Perth address: WA 6000 phone: +000000000 e-mail: [email protected] admin-c: IH207-AP tech-c: IH207-AP nic-hdl: AI376-AP remarks: Generated from irt object IRT-IINET-AU remarks: [email protected] was validated on 2025-10-30 abuse-mailbox: [email protected] mnt-by: APNIC-ABUSE last-modified: 2025-10-30T06:56:20Z source: APNIC person: Network Operations nic-hdl: NO20-AP e-mail: [email protected] address: iiNet Limited address: Level 1 address: 502 Hay Street address: Subiaco WA 6008 phone: +61 8 9214 2222 fax-no: +61 8 9214 2211 country: AU mnt-by: MAINT-AU-IINET last-modified: 2012-01-16T06:42:06Z 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 |
| 203.21.134.0/24 | 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 are no domains currently hosted on this ASN.
Hosted domains API
Pingable IPs
1 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 203.21.20.20 |
0.36ms from Perth,
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 |
|---|---|---|
| 35.221.157.40 |
0.18ms from Chang-hua,
TW
|
|
| 58.226.142.232 |
7.46ms from Incheon,
KR
|
|
| 73.151.52.232 |
11.04ms from Los Angeles,
US
|
|
| 174.167.141.56 |
8.57ms from New York City,
US
|
|
| 54.233.182.104 |
0.19ms from Osasco,
BR
|
|
| 183.166.221.168 |
15.02ms from Shanghai,
CN
|
|
| 116.88.46.248 |
2.73ms from Singapore,
SG
|
|
| 213.197.150.248 |
0.22ms from Vilnius,
LT
|
|
| 152.3.167.56 |
10.56ms from Atlanta,
US
|
|
| 216.218.120.24 |
8.38ms from Atlanta,
US
|
|
| 35.210.160.168 |
0.16ms from Brussels,
BE
|
|
| 86.120.161.136 |
0.69ms from Bucharest,
RO
|
|
| 70.119.126.88 |
7.07ms from Dallas,
US
|
|
| 3.71.240.104 |
0.16ms from Frankfurt am Main,
DE
|
|
| 99.45.245.24 |
6.61ms from Miami,
US
|
|
| 91.9.77.56 |
4.47ms from Nuernberg,
DE
|
|
| 45.129.106.248 |
0.42ms from Prague,
CZ
|
|
| 181.198.54.200 |
1.05ms from Quito,
EC
|
|
| 75.101.179.88 |
0.25ms from Reston,
US
|
|
| 109.169.211.104 |
0.56ms from Samara,
RU
|
|
| 16.63.125.24 |
0.60ms from Zuerich,
CH
|
|
| 35.194.233.56 |
0.18ms from Chang-hua,
TW
|
|
| 198.101.188.216 |
1.47ms from Chicago,
US
|
|
| 75.102.1.120 |
0.26ms from Chicago,
US
|
|
| 94.207.242.40 |
3.22ms from Dubai,
AE
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Council Bluffs, US
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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