Data as of Nov 5, 2026
90.154.236.0/24
No anonymizer space · no proxy exits in 30 daysMEDICAL UNIVERSITY - VARNA Prof. Dr. Paraskev Stoyanov · space held by Vivacom Bulgaria EAD
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 90.154.128.0/17 since Nov 2006 | AS8866 | Residential | 7,866 31 always on | Vivacom Bulgaria EAD |
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 |
|---|---|---|---|---|---|---|
| 90.154.128.0/17 | 32,768 | BG-BTC-20061114 | Vivacom Bulgaria EAD (ORG-BTCP1-RIPE) · BG | ALLOCATED PA | Nov 14, 2006 | abuse-ip@ |
| └ 90.154.236.0/23 | 512 | MU-Varna | Medical University - Varna | ASSIGNED PA | Jun 21, 2013 | abuse-ip@ via BG-BTC-20061114 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Vivacom Bulgaria EAD
- Handle
- ORG-BTCP1-RIPE
- Range
- 90.
154. 128. 0/ 17 - Registration type
- ALLOCATED PA
- Record created
- Nov 14, 2006
Origin network
AS60560
BG
- Name
- MEDICAL UNIVERSITY - VARNA Prof. Dr. Paraskev Stoyanov
- Type
- Education
- Registered
- Jun 25, 2013
- Domain
- mu-varna.bg
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2015
- Current origin since
- Nov 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 90.154.236.0/24 | AS60560 | /24 | RIPE | RPKI valid |
| 90.154.128.0/17 | AS8866 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS60560 | RIPE | Medical University - Varna | BT95-ADM | Nov 6, 2015 |
Whois
Registration for this announcement
- Range
- 90.
154. 236. 0/ 23 - Netname
- MU-Varna
- Registrant
- Medical University - Varna
- Registrant country
- BG
- Organization
- Medical University - Varna
- Org country
- BG
- Type
- ASSIGNED PA
- Created
- Jun 21, 2013
- Updated
- Jun 21, 2013
- Maintainer
- BT95-ADM
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Nov 13, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse-ip@
vivacom. bg - Name
- BTC IP ADDRESS SPACE administration
- Handle
- BTC3-RIPE