Data as of Nov 3, 2026
154.61.78.0/24
No anonymizer space · no proxy exits in 30 daysINTROSERV d.o.o · reallocated from Cogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
Reallocated May 26, 2026
to INTROSERV d.o.o. by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,738 2,387 always on |
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 |
|---|---|---|---|---|---|---|
| 154.61.0.0/16 | 65,536 | COGENT-154-61-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | [email protected] |
| └ 154.61.78.0/24 | 256 | INTROSERV-CGNT-NET-4 | INTROSERV d.o.o. (ID-284) · SI | Reallocated | May 26, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.61.0.0/16
- Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
- Reallocated to
- INTROSERV d.o.o. (ID-284)
- Reallocated range
- 154.61.78.0/24
- Reallocated
- May 26, 2026
Origin network
AS203466
SI
- Name
- INTROSERV d.o.o
- Type
- Hosting
- Registered
- Aug 3, 2022
- Domain
- introserv.com
- Industry
- Electronics and Computer Components
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Jan 2016
- Current origin since
- Jan 2025 · 1.8 yr
- Origin networks
- 2
- Last change of origin
- Jan 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS203466 | RADB | Route Registered for Cogent Communications Customer INTROSERV d.o.o. | MAINT-AS174 | Jan 6, 2025 |
Whois
Registration for this announcement
- Range
- 154.61.78.0/24
- Netname
- INTROSERV-CGNT-NET-4
- Registrant
- INTROSERV d.o.o.
- Organization
- INTROSERV d.o.o. (ID-284)
- Org address
- Dunajska cesta 156, Ljubljana, 1000
- Org country
- SI
- Type
- Reallocated
- Handle
- NET-154-61-78-0-1
- Parent
- NET-154-61-0-0-1
- Created
- May 26, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse Team
- Phone
- +386 1 8888 276
- Handle
- ABUSE9578-ARIN