Data as of Nov 11, 2026
149.20.0.0/24
No anonymizer space · no proxy exits in 30 daysInternet Systems Consortium, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jul 2026
from AS1280 Internet Systems Consortium, Inc.
Network & registry
Origin network
AS27321
US
- Name
- Internet Systems Consortium, Inc.
- Type
- Business
- Registered
- Feb 12, 2003
- Domain
- isc.org
- Website
- www.isc.org/
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2019
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 2
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 149.20.0.0/24 | AS27321 | /24 | ARIN | RPKI valid |
| 149.20.0.0/18 | AS1280 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 149.
20. 0. 0 - 149. 20. 67. 255 - Netname
- ISC-NET3
- Registrant
- Internet Systems Consortium, Inc.
- Organization
- Internet Systems Consortium, Inc. (ISC-94-Z)
- Org address
- PO Box 360, Newmarket, NH, 03857
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-149-20-0-0-1
- Parent
- NET-149-0-0-0-0
- Created
- Jan 28, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
isc. org - Name
- Internet Systems Consortium Abuse Team
- Phone
- +1-650-423-1300
- Handle
- ISCAT-ARIN