Data as of Nov 9, 2026
103.204.21.0/24
No anonymizer space · no proxy exits in 30 daysRadioactive EOOD · space held by DEV Collection Private Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS8075 Microsoft Corporation
IPv4 market
Path
Announced by AS51358 since May 2026 · 6 mo ago
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
103.204.21.0/24
From the registry to its use
- Feb 11, 2017– Mar 6, 2017
- Oct 9, 2017– Oct 7, 2024
- Sep 26, 2024– Oct 19, 2024
- Oct 8, 2024– Jun 16, 2025
- Jun 5, 2025– Aug 15, 2025
- Nov 8, 2025– Apr 24, 2026
- May 19, 2026– today
- May 20, 2026Route objectIPXORADB route object for AS51358 Radioactive EOOD, maintainer MAINT-AS834
- todayRegistry recordDEV Collection Private LimitedALLOCATED PORTABLE103.204.20.0/22
- todayReallocatedSrmak Technological System Private LimitedALLOCATED NON-PORTABLE103.204.21.0/24
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 103.204.20.0/22 | 1,024 | DCPL-IN | DEV Collection Private Limited (ORG-DCPL2-AP) · IN | ALLOCATED PORTABLE | — | admin@ |
| └ 103.204.21.0/24 | 256 | HOSTYCARE | Srmak Technological System Private Limited | ALLOCATED NON-PORTABLE | — | report@ |
Network & registry
IPv4 market
Holder
- Organization
- DEV Collection Private Limited
- Handle
- ORG-DCPL2-AP
- Range
- 103.
204. 20. 0/ 22 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Srmak Technological System Private Limited
- Reallocated range
- 103.
204. 21. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS51358
BG
- Name
- Radioactive EOOD
- Type
- Business
- Registered
- Jan 13, 2020
- Domain
- radioactive.bg
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2017
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 5
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 5
Whois
Registration for this announcement
- Range
- 103.
204. 21. 0/ 24 - Netname
- HOSTYCARE
- Registrant
- Srmak Technological System Private Limited
- Registrant country
- IN
- Organization
- Srmak Technological System Private Limited
- Org country
- IN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 7, 2025
- Maintainer
- MAINT-NETUTILS-AP
- RIR
- APNIC
- Country
- IN
- Delegated
- Dec 7, 2015
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Network Utilities
- Handle
- NU14-AP