Data as of Nov 9, 2026
66.219.112.0/23
No anonymizer space · no proxy exits in 30 daysMiddle Michigan Network for Educational Telecommunications
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 66.219.112.0/22 since Mar 2023 | AS400610 | Business | Middle Michigan Network for Educational Telecommunications |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 66.219.112.0/20 | 4,096 | MMNET | Middle Michigan Network for Educational Telecommunications (MMNET-3) · US | Direct Allocation | Apr 6, 2007 | ktorok@ |
| └ 66.219.112.0/22 | 1,024 | CGRESD-NET | Clare Gladwin RESD (CGR-49) · US | Reassigned | Nov 26, 2019 | — |
Network & registry
Registry
Holder
- Organization
- Middle Michigan Network for Educational Telecommunications
- Handle
- MMNET-3
- Range
- 66.
219. 112. 0/ 20 - Registration type
- Direct Allocation
- Record created
- Apr 6, 2007
Origin network
AS400610
US
- Name
- Middle Michigan Network for Educational Telecommunications
- Type
- Education
- Registered
- Apr 7, 2022
- Domain
- misen.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
- Mar 2023
- Current origin since
- Mar 2023 · 3.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.219.112.0/23 | AS400610 | /23 | ARIN | RPKI valid |
| 66.219.112.0/22 | AS400610 | /22 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS400610 | ARIN | MMNet - GIRESD, CGRESD, CCRESA | MNT-MMNET-3 | Mar 21, 2025 |
Whois
Registration for this announcement
- Range
- 66.
219. 112. 0/ 22 - Netname
- CGRESD-NET
- Registrant
- Clare Gladwin RESD
- Organization
- Clare Gladwin RESD (CGR-49)
- Org address
- 4041 E. Mannsiding Rd., Clare, MI, 48617
- Org country
- US
- Type
- Reassigned
- Handle
- NET-66-219-112-0-2
- Parent
- NET-66-219-112-0-1
- Created
- Nov 26, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 6, 2007
- Status
- assigned
Report abuse
Abuse contact
- ktorok@
kresa. org - Name
- Administrator
- Phone
- +1-269-207-6321
- Handle
- ADMIN6127-ARIN