Data as of Nov 11, 2026
192.5.4.0/23
No anonymizer space · no proxy exits in 30 daysInternet Systems Consortium, Inc.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 192.5.5.0/24 since Mar 2017 | AS3557 | Unknown | Internet Systems Consortium, Inc. |
Network & registry
Origin network
AS3557
US
- Name
- Internet Systems Consortium, Inc.
- Type
- Internet provider
- Registered
- Apr 21, 1994
- Domain
- isc.org
- Website
- www.isc.org/f-root/
- Industry
- Community Groups and Nonprofits
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 192.5.4.0/23 | AS3557 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 192.5.4.0/24 | AS3557 | RADB | Internet Systems Consortium, Inc. aka ISC | MAINT-AS1280 | Nov 13, 2023 |
| 192.5.4.0/24 | AS3557 | ARIN | F-ROOT 2 | MNT-ISC-94-Z | Jan 30, 2024 |
Whois
Registration for this announcement
- Range
- 192.
5. 4. 0/ 23 - Netname
- ISC-NET1
- 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-192-5-4-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Mar 12, 1984
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 12, 1984
- Status
- assigned
Report abuse
Abuse contact
- abuse@
isc. org - Name
- Internet Systems Consortium Abuse Team
- Phone
- +1-650-423-1300
- Handle
- ISCAT-ARIN