Data as of Nov 8, 2026
143.195.3.0/24
No anonymizer space · no proxy exits in 30 daysIllinois Mathematics and Science Academy
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 143.195.0.0/17 since Feb 2019 | AS397112 | Business | 7 | Illinois Mathematics and Science Academy |
Network & registry
Origin network
AS397112
US
- Name
- Illinois Mathematics and Science Academy
- Type
- Education
- Registered
- Oct 16, 2018
- Domain
- imsa.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2019
- Current origin since
- Feb 2019 · 7.7 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS397112 | RADB | ICN Customer - IMSA | MAINT-AS6325 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 143.
195. 0. 0 - 143. 195. 223. 255 - Netname
- IMSANET
- Registrant
- Illinois Mathematics and Science Academy
- Organization
- Illinois Mathematics and Science Academy (IMSA-1)
- Org address
- 1500 Sullivan Road, Aurora, IL, 60506-1039
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-143-195-0-0-1
- Parent
- NET-143-0-0-0-0
- Created
- Oct 8, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 8, 1990
- Status
- assigned
Report abuse
Abuse contact
- root@
imsa. edu - Name
- Illinois Mathematics and ScienceAcademy
- Phone
- +1-630-907-5995
- Handle
- ROO-ORG-ARIN