Data as of Nov 10, 2026
195.251.204.0/24
No anonymizer space · no proxy exits in 30 daysNational Observatory of Athens · space held by National Infrastructures for Research and Technology S.A.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 195.251.0.0/16 since Jan 2006 | AS5408 | Business | 305 1 always on | National Infrastructures for Research and Technology S.A. |
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 |
|---|---|---|---|---|---|---|
| 195.251.0.0/16 | 65,536 | GR-GRNET-980108 | National Infrastructures for Research and Technology S.A. (ORG-GRAT1-RIPE) · GR | ALLOCATED PA | Jul 19, 2002 | abuse@ |
| └ 195. | 768 | NOANET | National Observatory of Athens | ASSIGNED PA | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- National Infrastructures for Research and Technology S.A.
- Handle
- ORG-GRAT1-RIPE
- Range
- 195.
251. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Jul 19, 2002
Origin network
AS15690
GR
- Name
- National Observatory of Athens
- Type
- Education
- Registered
- Sep 12, 2000
- Domain
- noa.gr
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Feb 2020 · 6.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 195.251.204.0/24 | AS15690 | /24 | RIPE | RPKI valid |
| 195.251.0.0/16 | AS5408 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS15690 | RIPE | National Observatory of Athens | NOANET-MNT | Apr 7, 2014 |
Whois
Registration for this announcement
- Range
- 195.
251. 202. 0 - 195. 251. 204. 255 - Netname
- NOANET
- Registrant
- National Observatory of Athens
- Registrant country
- GR
- Organization
- National Observatory of Athens
- Org country
- GR
- Type
- ASSIGNED PA
- Created
- Not stated by the registry
- Updated
- Jan 12, 2018
- Maintainer
- GRNET-NOC
- RIR
- RIPE NCC
- Country
- GR
- Delegated
- Jan 8, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
noa. gr - Name
- NOA NOC
- Handle
- NN740-RIPE