Data as of Nov 10, 2026
44.136.138.0/23
No anonymizer space · no proxy exits in 30 daysUniversity of California, San Diego · space held by Amateur Radio Digital Communications
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 44.136.138.0/24 since Aug 2017 | AS4764 | Residential | Amateur Radio Digital Communications |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 256 | 50% | 1 | |
| Residential | 256 | 50% | 1 |
Network & registry
Announced by
Covering announcement 44.128.0.0/10
- Prefix
- 44.128.0.0/10
- Announced by
- AS7377 University of California, San Diego
- Type
- Business
- RPKI
- No RPKI
- Netname
- AMPRNET
- Registrant
- Amateur Radio Digital Communications
- RIR
- ARIN
Origin network
AS7377
US
- Name
- University of California, San Diego
- Type
- Education
- Registered
- Nov 25, 1996
- Domain
- ucsd.edu
- Website
- blink.ucsd.edu/technology/help-desk/index.html
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 44.128.0.0/10
44.128.0.0/10
Routing history
- Pattern
- Stable
- First seen
- May 2019
- Current origin since
- May 2019 · 7.5 yr
- Origin networks
- 1
IRR
Route objects on 44.128.0.0/10
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7377 | RADB | Amateur Radio Digital Communications | MAINT-ARDC | Aug 14, 2026 |
Whois
Registration for this announcement
- Range
- 44.
0. 0. 0 - 44. 191. 255. 255 - Netname
- AMPRNET
- Registrant
- Amateur Radio Digital Communications
- Organization
- Amateur Radio Digital Communications (ARDC)
- Org address
- 5663 Balboa Ave Suite 432, San Diego, CA, 92111-2705
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-44-0-0-0-1
- Parent
- NET-44-0-0-0-0
- Created
- Jul 1, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 1, 1992
- Status
- assigned
Report abuse
Abuse contact
- john@
ardc. net - Name
- Burwell, John
- Phone
- +1-858-477-9900
- Handle
- BURWE9-ARIN