Data as of Nov 9, 2026
205.155.144.0/22
No anonymizer space · no proxy exits in 30 daysCENIC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Sep 18, 2026
from AS2152 CENIC, after 3.9 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 205.155.0.0/16 since May 2005 | AS2152 | Business | 71 | CENIC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.155.147.0/24 | AS2152 | Business | CENIC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 205.155.0.0/16 | 65,536 | CENIC | CENIC (CENIC) · US | Direct Allocation | Jul 8, 2024 | abuse@ |
| └ 205. | 1,281 | CENIC--INDIANVALLEY-MARINCCD--205-155-144--149 | Indian Valley - Marin CCD (C01278674) · US | Reassigned | Feb 6, 2006 | abuse@ via CENIC |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2020
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 205.
155. 144. 0 - 205. 155. 149. 0 - Netname
- CENIC--INDIANVALLEY-MARINCCD--205-155-144--149
- Registrant
- Indian Valley - Marin CCD
- Organization
- Indian Valley - Marin CCD (C01278674)
- Type
- Reassigned
- Handle
- NET-205-155-144-0-1
- Parent
- NET-205-155-0-0-1
- Created
- Feb 6, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 8, 2024
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cenic. org - Name
- CENIC Abuse
- Phone
- +1-714-220-3494
- Handle
- ABUSE711-ARIN