Data as of Nov 5, 2026
157.21.128.0/17
No anonymizer space · no proxy exits in 30 daysOld Dominion University
Announced by
Type
Business
Recent change
New origin Sep 2026
from AS53446 Eastern Virginia Medical School
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 157.21.128.0/18 | AS1201 | Business | Old Dominion University | |
| 157.21.192.0/18 | AS1201 | Business | Old Dominion University |
Network & registry
Announced by
Covering announcement 157.21.0.0/16
- Prefix
- 157.21.0.0/16
- Announced by
- AS1201 Old Dominion University
- Type
- Business
- RPKI
- No RPKI
- Netname
- NET-157-21-0-0
- Registrant
- Old Dominion University
- RIR
- ARIN
Origin network
AS1201
US
- Name
- Old Dominion University
- Type
- Education
- Registered
- Dec 18, 1990
- Domain
- odu.edu
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 157.21.0.0/16
157.21.0.0/16
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 4
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 157.
21. 0. 0/ 16 - Netname
- NET-157-21-0-0
- Registrant
- Old Dominion University
- Organization
- Old Dominion University (ODU)
- Org address
- Old Dominion University, Norfolk, VA, 23529
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-157-21-0-0-1
- Parent
- NET-157-0-0-0-0
- Created
- Dec 12, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 12, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
odu. edu - Name
- Abuse
- Phone
- +1-757-683-5113
- Handle
- ABUSE232-ARIN