Data as of Nov 5, 2026
45.43.133.0/24
Anonymizer · Datacenter proxyH4Y Technologies LLC · space held by Fastplanet Ltd
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market
Path
1 · Holder
record created Oct 18, 2021 · reallocated to a party the registry does not name Oct 28, 2021
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 45.43.133.0/24 | /24s |
|---|---|---|
| Fastplanet Ltd | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
45.43.133.0/24
From the registry to its use
- Mar 22, 2021– Apr 14, 2021
- Apr 3, 2021– Sep 29, 2021
- Sep 30, 2021– Feb 8, 2022
- Oct 18, 2021Registry recordFastplanet LtdALLOCATED PA45.43.128.0/18
- Feb 9, 2022– today
- Jul 11, 2025– today
- Jul 14, 2025Route objectAS397373 H4Y Technologies LLCRADB route object for AS397373 H4Y Technologies LLC, maintainer MAINT-AS397373
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Holder | RPKI |
|---|---|---|---|---|---|
| 45.43.132.0/22 since Feb 2022 | AS11426 | ISP proxy | 25625% | Fastplanet Ltd |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 45.43.128.0/18 | 16,384 | UK-FASTPLANET-20150330 | Fastplanet Ltd (ORG-FL311-RIPE) · GB | ALLOCATED PA | Oct 18, 2021 | abuse@ |
| └ 45.43.128.0/21 | 2,048 | H4Y-21 | unknown | SUB-ALLOCATED PA | Oct 28, 2021 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Fastplanet Ltd
- Handle
- ORG-FL311-RIPE
- Range
- 45.
43. 128. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Oct 18, 2021
- Reallocated to
- Not named in the registry
- Reallocated range
- 45.
43. 128. 0/ 21 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Oct 28, 2021
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2025
- Current origin since
- Jul 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 45.43.132.0/22 | AS11426 | /24 | RIPE | Another network |
| 45.43.132.0/22 | AS397373 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS397373 | RADB | H4Y Technologies LLC | MAINT-AS397373 | Jul 14, 2025 |
Whois
Registration for this announcement
- Range
- 45.
43. 128. 0/ 21 - Netname
- H4Y-21
- Registrant country
- US
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Oct 28, 2021
- Updated
- Oct 28, 2021
- Maintainer
- lir-uk-fastplanet-1-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Mar 30, 2015
- Status
- assigned
Report abuse
Abuse contact
- abuse@
host4yourself. com - Name
- Abuse contact role object
- Handle
- ACRO44134-RIPE