Data as of Nov 4, 2026
199.182.68.0/22
No anonymizer space · no proxy exits in 30 daysCalhoun ISD
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 199.182.64.0/21 since May 2012 | AS54539 | Business | 5 | Calhoun ISD |
Network & registry
Origin network
AS54539
US
- Name
- Calhoun ISD
- Type
- Education
- Registered
- Mar 13, 2012
- Domain
- calhounisd.org
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2023
- Current origin since
- Aug 2023 · 3.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 199.182.68.0/22 | AS54539 | /22 | ARIN | RPKI valid |
| 199.182.64.0/21 | AS54539 | /21 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS54539 | ARIN | Calhoun ISD | MNT-CALHOU-3 | Aug 7, 2023 |
Whois
Registration for this announcement
- Range
- 199.
182. 64. 0/ 21 - Netname
- CISD-21
- Registrant
- Calhoun ISD
- Organization
- Calhoun ISD (CALHOU-3)
- Org address
- 17111 G Drive North, Marshall, MI, 49068
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-182-64-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Apr 12, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 12, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
calhounisd. org - Name
- Network Abuse
- Phone
- +1-269-781-5141
- Handle
- NETWO4975-ARIN