Data as of Nov 9, 2026
204.152.184.0/21
No anonymizer space · no proxy exits in 30 daysInternet Systems Consortium, Inc.
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.152.184.0/24 since Jun 2014 | AS1280 | Business | Internet Systems Consortium, Inc. | |
| 204.152.185.0/24 since Jun 2014 | AS1280 | Business | Internet Systems Consortium, Inc. | |
| 204.152.186.0/24 since Dec 2020 | AS1280 | Business | Internet Systems Consortium, Inc. | |
| 204.152.187.0/24 since Dec 2020 | AS1280 | Business | Internet Systems Consortium, Inc. | |
| 204.152.188.0/24 since Dec 2020 | AS1280 | Business | Internet Systems Consortium, Inc. | |
| 204.152.189.0/24 since Jun 2014 | AS1280 | Business | Internet Systems Consortium, Inc. | |
| 204.152.190.0/24 since Jun 2014 | AS1280 | Business | Internet Systems Consortium, Inc. | |
| 204.152.191.0/24 since Jun 2014 | AS1280 | Business | Internet Systems Consortium, Inc. |
Network & registry
Origin network
AS1280
US
- Name
- Internet Systems Consortium, Inc.
- Type
- Business
- Registered
- Jul 31, 1991
- 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
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2007 · 19 yr
- Origin networks
- 2
- Last change of origin
- Dec 2007
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS1280 | RADB | ISC | MAINT-AS1280 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.
152. 184. 0/ 21 - Netname
- ISC-NET2
- 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-204-152-184-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Feb 26, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 26, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
isc. org - Name
- Internet Systems Consortium Abuse Team
- Phone
- +1-650-423-1300
- Handle
- ISCAT-ARIN