Data as of Nov 11, 2026
121.54.136.0/21
No anonymizer space · no proxy exits in 30 daysVocus Connect International Backbone · space held by Vocus Pty Ltd
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.54.140.0/24 since Sep 2016 | AS132433 | Mobile | Vocus Pty Ltd |
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 |
|---|---|---|---|---|---|---|
| 121.54.128.0/19 | 8,192 | VOCUS-AP | Vocus Pty Ltd (ORG-VPL1-AP) · AU | ALLOCATED PORTABLE | — | abuse@ |
| └ 121.54.136.0/21 | 2,048 | MECHCOMMUNICATIONS | Mech Communications | ASSIGNED NON-PORTABLE | — | abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,792 | 88% | 2 | |
| Mobile | 256 | 13% | 1 |
Network & registry
Announced by
Covering announcement 121.54.128.0/19
- Prefix
- 121.54.128.0/19
- Announced by
- AS4826 Vocus Connect International Backbone
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- VOCUS-AP
- Registrant
- Vocus Pty Ltd
- RIR
- APNIC
Origin network
AS4826
AU
- Name
- Vocus Connect International Backbone
- Type
- Internet provider
- Registered
- Dec 24, 2001
- Domain
- vocus.com.au
- Website
- www.vocus.com.au
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 121.54.128.0/19
121.54.128.0/19
Routing history
- Pattern
- Stable
- First seen
- Jun 2018
- Current origin since
- Aug 2020 · 6.3 yr
- Origin networks
- 3
- Last change of origin
- Aug 2020
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.54.128.0/19 | AS4826 | /19 | APNIC | RPKI valid |
IRR
Route objects on 121.54.128.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4826 | APNIC | VOCUS PTY LTD | MAINT-VOCUS-AU | Aug 13, 2020 |
Whois
Registration for this announcement
- Range
- 121.
54. 128. 0/ 19 - Netname
- VOCUS-AP
- Registrant
- Vocus Pty Ltd
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 16, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Jun 19, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
vocus. net - Name
- ABUSE VOCUSAU
- Handle
- AV428-AP