Data as of Nov 7, 2026
137.43.148.0/24
No anonymizer space · no proxy exits in 30 daysUniversity College Dublin
Network & registry
Announced by
Covering announcement 137.43.0.0/16
- Prefix
- 137.43.0.0/16
- Announced by
- AS2850 University College Dublin
- Type
- Business
- Proxy exits
- 50
- RPKI
- RPKI valid
- Netname
- UCD-ETHER
- Registrant
- University College Dublin
- RIR
- RIPE NCC
Origin network
AS2850
IE
- Name
- University College Dublin
- Type
- Education
- Registered
- Dec 14, 1993
- Domain
- ucd.ie
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 137.43.0.0/16
137.43.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2007 · 19 yr
- Origin networks
- 2
- Last change of origin
- Oct 2007
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 137.43.0.0/16 | AS786 | /24 | RIPE | Another network |
| 137.43.0.0/16 | AS2850 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 137.
43. 0. 0/ 16 - Netname
- UCD-ETHER
- Registrant
- University College Dublin
- Registrant country
- IE
- Organization
- University College Dublin (ORG-UCD1-RIPE)
- Org country
- IE
- Type
- LEGACY
- Created
- Not stated by the registry
- Updated
- Apr 12, 2021
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- IE
- Delegated
- Oct 25, 1989
- Status
- assigned
Report abuse
Abuse contact
- security@
ucd. ie - Name
- UCD Network Administration
- Handle
- UNA2-RIPE