Data as of Nov 11, 2026
172.103.4.0/23
No anonymizer space · no proxy exits in 30 daysMidcontinent Communications
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 172.103.0.0/19 | 8,192 | NET-172-103-0-0-19 | Midcontinent Communications (MIDCO-1) · US | Direct Allocation | Jun 22, 2015 | abuse@ |
| └ 172.103.4.0/23 | 512 | NET-172-103-4-0-23-DHCP | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 172.103.0.0/19
- Prefix
- 172.103.0.0/19
- Announced by
- AS11232 Midcontinent Communications
- Type
- Residential
- Proxy exits
- 106
- Always-on exits
- 6
- RPKI
- RPKI valid
- Netname
- NET-172-103-0-0-19
- Registrant
- Midcontinent Communications
- RIR
- ARIN
Origin network
AS11232
US
- Name
- Midcontinent Communications
- Type
- Internet provider
- Registered
- May 22, 1998
- Domain
- midco.com
- Website
- www.midco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 172.103.0.0/19
172.103.0.0/19
Routing history
- Pattern
- Stable
- First seen
- Jul 2015
- Current origin since
- Jul 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 172.103.0.0/19 | AS11232 | /19 | ARIN | RPKI valid |
IRR
Route objects on 172.103.0.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11232 | ARIN | 3901 N Louise Ave | MNT-MIDCO-1 | Nov 13, 2021 |
Whois
Registration for this announcement
- Range
- 172.
103. 0. 0/ 19 - Netname
- NET-172-103-0-0-19
- Registrant
- Midcontinent Communications
- Organization
- Midcontinent Communications (MIDCO-1)
- Org address
- 4020 W Cayman Street, Sioux Falls, SD, 57107
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-172-103-0-0-1
- Parent
- NET-172-0-0-0-0
- Created
- Jun 22, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 22, 2015
- Status
- assigned
Report abuse
Abuse contact
- abuse@
midco. com - Name
- ABUSE
- Phone
- +1-800-888-1300
- Handle
- ABUSE641-ARIN