Data as of Nov 3, 2026
37.63.79.0/24
No anonymizer space · no proxy exits in 30 daysSouth-West University 'Neofit Rilski' · space held by A1 Bulgaria EAD
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.63.0.0/17 since Dec 2019 | AS8717 | Residential | 8,585 101 always on | A1 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 |
|---|---|---|---|---|---|---|
| 37.63.0.0/17 | 32,768 | BG-MTELNET-20120123 | A1 Bulgaria EAD (ORG-MN1-RIPE) · BG | ALLOCATED PA | Jan 23, 2012 | [email protected] |
| └ 37.63.79.0/24 | 256 | BG-SWU-BLG-v4 | South-West University "Neofit Rilski" | ASSIGNED PA | Dec 23, 2022 | [email protected] via BG-MTELNET-20120123 |
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
Registry
Holder
- Organization
- A1 Bulgaria EAD
- Handle
- ORG-MN1-RIPE
- Range
- 37.63.0.0/17
- Registration type
- ALLOCATED PA
- Record created
- Jan 23, 2012
Origin network
AS200723
BG
- Name
- South-West University 'Neofit Rilski'
- Type
- Education
- Registered
- Dec 8, 2022
- Domain
- swu.bg
- Website
- www.swu.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
- Dec 2022
- Current origin since
- Dec 2022 · 3.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.63.79.0/24 | AS200723 | /24 | RIPE | RPKI valid |
| 37.63.0.0/17 | AS8717 | /17 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS200723 | RIPE | BG-SWU-BLG-v4 | SPNET-MNT | Dec 23, 2022 |
Whois
Registration for this announcement
- Range
- 37.63.79.0/24
- Netname
- BG-SWU-BLG-v4
- Registrant
- South-West University "Neofit Rilski"
- Registrant country
- BG
- Organization
- South-West University "Neofit Rilski"
- Org country
- BG
- Type
- ASSIGNED PA
- Created
- Dec 23, 2022
- Updated
- Jan 3, 2023
- Maintainer
- SPNET-MNT
- RIR
- RIPE NCC
- Country
- BG
- Delegated
- Jan 23, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- A1 Bulgaria EAD Abuse
- Handle
- AR14215-RIPE