Data as of Nov 11, 2026
77.72.40.0/24
No anonymizer space · no proxy exits in 30 daysRenater · space held by Universite de Strasbourg
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 77.72.40.0/21 since May 2017 | AS2259 | Business | Universite de Strasbourg |
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 |
|---|---|---|---|---|---|---|
| 77.72.40.0/21 | 2,048 | FR-OSIRIS-20070118 | Universite de Strasbourg (ORG-ULPC1-RIPE) · FR | ALLOCATED PA | Jan 18, 2007 | abuse@ |
| └ 77.72.40.0/24 | 256 | UNISTRA-DC-PRA | unknown | ASSIGNED PA | Dec 8, 2020 | abuse@ via FR-OSIRIS-20070118 |
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
- Universite de Strasbourg
- Handle
- ORG-ULPC1-RIPE
- Range
- 77.
72. 40. 0/ 21 - Registration type
- ALLOCATED PA
- Record created
- Jan 18, 2007
Origin network
AS781
EU
- Name
- Renater
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- renater.fr
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2026
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 77.72.40.0/24 | AS781 | /24 | RIPE | RPKI valid |
| 77.72.40.0/21 | AS2259 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS781 | RIPE | CRC-MNT | Dec 3, 2025 |
Whois
Registration for this announcement
- Range
- 77.
72. 40. 0/ 24 - Netname
- UNISTRA-DC-PRA
- Registrant country
- FR
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Dec 8, 2020
- Updated
- Dec 8, 2020
- Maintainer
- CRC-MNT
- RIR
- RIPE NCC
- Country
- FR
- Delegated
- Jan 18, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
unistra. fr - Name
- OSIRIS - Universite de Strasbourg
- Handle
- OUS-RIPE