Data as of Nov 9, 2026
203.100.240.0/20
No anonymizer space · no proxy exits in 30 daysTelstra Limited
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.100.224.0/19 | 8,192 | TELSTRAINTERNET-AU | Telstra Limited (ORG-TC6-AP) · AU | ALLOCATED PORTABLE | — | abuse@ |
| └ 203.100.240.0/20 | 4,096 | TELSTRAGLOBAL | unknown | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.8/29 | 8 | CUST-6143229 | Translink Operations Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.16/29 | 8 | CUST-6170769 | UnitingCare Harrison Community Services | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.24/29 | 8 | CUST-6171816 | Xenon Systems Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.32/28 | 16 | CUST-6196283 | Gigabit It | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.48/28 | 16 | CUST-6184876 | Generation-e | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.64/29 | 8 | CUST-6150154 | Channel Enablers Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.80/29 | 8 | CUST-6211074 | Gippsland Group Training - Apprenticeships Victoria | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.88/29 | 8 | CUST-6037930 | Matrikon | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.96/28 | 16 | CUST-6154631 | Summit Investment Australia Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.120/29 | 8 | CUST-5928628 | Total Communications | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.128/28 | 16 | CUST-6156246 | Doncaster BMW | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.144/28 | 16 | CUST-5965720 | Satellite Telemetry | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.160/29 | 8 | CUST-6161392 | Digital Peripherals Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.168/29 | 8 | CUST-6161772 | Control Microsystems Asia Pacific P/L | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.176/28 | 16 | CUST-6163549 | Birrell Motors Group | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.192/28 | 16 | CUST-6162610 | KSS Unit Trust | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.208/28 | 16 | CUST-6164431 | Westcorp Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.224/29 | 8 | CUST-6171297 | Alan Mance Motors | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.232/29 | 8 | CUST-6050423 | William Archbald | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.242.240/28 | 16 | CUST-6174688 | Globalnet Solutions Australia | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.0/27 | 32 | CUST-6034830 | Alan Mance Motors | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.40/29 | 8 | CUST-6036867 | Turbocor Inc | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.48/29 | 8 | CUST-6208878 | Montague Cold Storage Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.56/29 | 8 | CUST-5997711 | Lending Technology Services Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.64/27 | 32 | CUST-6043068 | Kinetic Data Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.96/29 | 8 | CUST-6048303 | Romtree Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.104/29 | 8 | CUST-6209057 | Jesuit Publications | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.112/28 | 16 | CUST-6049846 | ReiverNet Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.128/28 | 16 | CUST-6041930 | Alan Mance Motors | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.144/28 | 16 | CUST-6046947 | Xenon Systems Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.160/29 | 8 | CUST-6142133 | Virus Defence Bureau Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.168/29 | 8 | CUST-6014115 | Tortoise Logic Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.176/28 | 16 | CUST-6140410 | Par Leasing P/L | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.192/28 | 16 | CUST-6008831 | Techlink Communications P/L | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.208/29 | 8 | CUST-6156069 | Cubit Media Research Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.216/29 | 8 | CUST-6044755 | Meadows & Company | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.224/29 | 8 | CUST-6010181 | FRH Group Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.243.240/29 | 8 | CUST-6008153 | HGC Australia | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.248.8/29 | 8 | CUST-5859107 | Sola Australia Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.248.104/29 | 8 | CUST-6049527 | Breville Pty Limited | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.249.16/29 | 8 | CUST-6163545 | DBM Australia Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.0/29 | 8 | CUST-6004563 | E Future | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.8/29 | 8 | CUST-6180839 | Dovuro Seeds Pty. Limited | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.16/29 | 8 | CUST-6180815 | Seaway Agencies | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.24/29 | 8 | CUST-6180905 | ReiverNet Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.40/29 | 8 | CUST-6185179 | Guess Australia Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.48/29 | 8 | CUST-6185330 | Marco Pavincich | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.56/29 | 8 | CUST-6184993 | ReiverNet Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.64/29 | 8 | CUST-6002781 | Media & Communication Services Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.80/28 | 16 | CUST-6185794 | Dataline Networks Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.96/29 | 8 | CUST-6186019 | ReiverNet Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.104/29 | 8 | CUST-6186223 | Elliot Australia Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.120/29 | 8 | CUST-6189299 | ReiverNet Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.128/27 | 32 | CUST-6186057 | Bayside Business Center | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.160/29 | 8 | CUST-6031854 | ICE Corporation Limited | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.168/29 | 8 | CUST-6190779 | East Gippsland Shire Council | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.176/29 | 8 | CUST-6192432 | Peter Rowland Catering | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.184/29 | 8 | CUST-6195942 | Pacific Internet IP Dial Pools | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.208/28 | 16 | CUST-6192629 | D & D Mailing | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.224/28 | 16 | CUST-6200430 | Australian Kidney Foundation | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.250.240/29 | 8 | CUST-6194572 | Tenix Defence Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.0/29 | 8 | CUST-6052077 | ReiverNet Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.8/29 | 8 | CUST-6052076 | ReiverNet Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.16/29 | 8 | CUST-5941199 | Noojee Software | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.32/29 | 8 | CUST-5973677 | Computers Dandenong | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.40/29 | 8 | CUST-6011262 | Akron Roads P/L | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.48/28 | 16 | CUST-6140125 | O'Connors (Shepparton) Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.64/29 | 8 | CUST-6140685 | Casbah Resources Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.72/29 | 8 | CUST-6140929 | Fierce Internet Solutions | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.80/29 | 8 | CUST-6001668 | Alphawest Services Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.88/29 | 8 | CUST-6138405 | Westgate Graphics Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.120/29 | 8 | CUST-6144248 | Fairbanks Enviromental Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.128/29 | 8 | CUST-5952836 | Michael Cimino | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.136/29 | 8 | CUST-6015437 | Dean World Cargo Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.144/29 | 8 | CUST-6154632 | Summit Investment Australia Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.152/29 | 8 | CUST-6192438 | Arrow Laboratories Limited | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.160/29 | 8 | CUST-6017728 | Green Light Computing | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.168/29 | 8 | CUST-6010988 | Nunawading Adventist College | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.176/29 | 8 | CUST-6010842 | Steritech Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.184/29 | 8 | CUST-6012077 | Victoria Wool Processes | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.192/29 | 8 | CUST-6242428 | Quantum Market Research | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.251.208/29 | 8 | CUST-6039288 | Acromet (Aust) Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.252.40/29 | 8 | CUST-6141514 | Festival Mushroom Records Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.252.48/28 | 16 | CUST-6149067 | Pacific Strategy Partners | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.252.72/29 | 8 | CUST-6031558 | Greg Sword on behalf of National Union of Workers Federal Office | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.252.96/28 | 16 | CUST-6203727 | Blue Apache Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.252.176/29 | 8 | CUST-6158233 | JAS Forwarding Worldwide Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.252.224/27 | 32 | CUST-6157249 | IT & E Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.0/29 | 8 | CUST-6164098 | CNC Design Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.8/29 | 8 | CUST-6164709 | Technology and Future Concepts Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.48/29 | 8 | CUST-6137536 | Provisioning Team Pacific Internet | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.64/27 | 32 | CUST-6173614 | Health Super Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.104/29 | 8 | CUST-6184421 | Emerging I.T. Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.112/29 | 8 | CUST-6181708 | YHA Victoria | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.128/29 | 8 | CUST-6043800 | Digital Motorworks Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.136/29 | 8 | CUST-6043800 | Digital Motorworks Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.144/29 | 8 | CUST-6211590 | Tristalee Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.176/28 | 16 | CUST-6213387 | Total Tel International | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.192/28 | 16 | CUST-6207618 | Convergys Solutions (Australia) Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.253.208/29 | 8 | CUST-6231351 | In Vivo Communications Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.0/29 | 8 | CUST-6187167 | Pacific Asia Express Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.16/29 | 8 | CUST-6031722 | AVEM Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.80/29 | 8 | CUST-6194367 | Digital Motorworks Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.88/29 | 8 | CUST-6163527 | DBM Australia Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.96/28 | 16 | CUST-6045679 | Fast Art Bureau Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.128/28 | 16 | CUST-6046866 | Tim Blizard | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.144/29 | 8 | CUST-6049160 | Breville Pty Limited | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.160/29 | 8 | CUST-6044510 | Voice Perfect | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.168/29 | 8 | CUST-6135289 | Clark Rubber | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.192/29 | 8 | CUST-6140153 | Uniting Care Community Options | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.254.208/28 | 16 | CUST-6137157 | MPA Systems Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.0/28 | 16 | CUST-6194935 | Ezipin Group Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.24/29 | 8 | CUST-6142884 | Pyxis Australia Pty Ltd T/A Call Time Solutions | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.56/29 | 8 | CUST-6022644 | APESMA | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.88/29 | 8 | CUST-6199665 | Sweeney Research Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.104/29 | 8 | CUST-6027758 | National Tax and Accountants Association | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.120/29 | 8 | CUST-6028202 | AFL Players' Association | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.128/29 | 8 | CUST-6051487 | Collins Booksellers Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.152/29 | 8 | CUST-6042655 | Pacific Internet (Hong Kong) Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.168/29 | 8 | CUST-6020633 | Teamworks Retail Services Pty Ltd | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 203.100.255.232/29 | 8 | CUST-6157981 | Tim Dawson | ASSIGNED NON-PORTABLE | — | abuse@ |
Network & registry
Announced by
Covering announcement 203.100.224.0/19
- Prefix
- 203.100.224.0/19
- Announced by
- AS1221 Telstra Limited
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- TELSTRAINTERNET-AU
- Registrant
- Telstra Limited
- RIR
- APNIC
Origin network
AS1221
AU
- Name
- Telstra Limited
- Type
- Internet provider
- Registered
- Jan 31, 2000
- Domain
- telstra.com.au
- Website
- www.telstra.com.au/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.100.224.0/19
203.100.224.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Mar 2020 · 6.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.100.224.0/19 | AS1221 | /19 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
100. 224. 0/ 19 - Netname
- TELSTRAINTERNET-AU
- Registrant
- Telstra Limited
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 10, 2024
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Feb 25, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
telstra. net - Name
- ABUSE TELSTRAAU
- Handle
- AT1005-AP