Data as of Nov 3, 2026
136.160.0.0/18
No anonymizer space · no proxy exits in 30 daysUniversity of Maryland Baltimore County (UMBC) · space held by University System of Maryland
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 18, 2026
from AS11131 University of Maryland Baltimore County (UMBC), after 4.5 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 136.160.0.0/16 since May 2005 | AS6059 | Business | 51 3 always on | University System of Maryland |
Network & registry
Origin network
AS11131
US
- Name
- University of Maryland Baltimore County (UMBC)
- Type
- Education
- Registered
- Apr 20, 1998
- Domain
- umbc.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2016
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11131 | RADB | Proxy-registered route object for UMBC | MAINT-AS10886 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 136.160.0.0/16
- Netname
- COMBNET
- Registrant
- University System of Maryland
- Organization
- University System of Maryland (UNIVER-270-Z)
- Org address
- System Administration, Adelphi, MD, 20783
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-136-160-0-0-1
- Parent
- NET-136-0-0-0-0
- Created
- Sep 19, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 19, 1989
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN