Data as of Nov 10, 2026
192.135.137.0/24
No anonymizer space · no proxy exits in 30 daysAS25800 · space held by Aspen Technology, Inc.
Network & registry
Origin network
AS25800
ZZ
- Registered
- Nov 8, 2026
- 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
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS25800 | RADB | MAINT-AS27506 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 192.
135. 137. 0/ 24 - Netname
- ASPENTEC-NET
- Registrant
- Aspen Technology, Inc.
- Organization
- Aspen Technology, Inc. (ASPENT)
- Org address
- 200 Wheeler Road, Burlington, MA, 01803
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-135-137-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Dec 11, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 11, 1991
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN