Data as of Nov 3, 2026
128.103.205.0/24
No anonymizer space · no proxy exits in 30 daysHarvard University
Network & registry
Announced by
Covering announcement 128.103.0.0/16
- Prefix
- 128.103.0.0/16
- Announced by
- AS1742 Harvard University
- Type
- Business
- RPKI
- RPKI valid
- Netname
- HARVARD-UNIV
- Registrant
- Harvard University
- RIR
- ARIN
Origin network
AS1742
US
- Name
- Harvard University
- Type
- Education
- Registered
- Feb 19, 1992
- Domain
- harvard.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 128.103.0.0/16
128.103.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.103.0.0/16 | AS1742 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 128.103.0.0/16
- Netname
- HARVARD-UNIV
- Registrant
- Harvard University
- Organization
- Harvard University (HARVAR-Z)
- Org address
- HUIT Network Services, Cambridge, MA, 02139
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-103-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Jan 29, 1986
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 29, 1986
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-617-495-3574
- Handle
- ABUSE3331-ARIN