Data as of Nov 9, 2026
66.163.136.0/21
No anonymizer space · no proxy exits in 30 daysNorth Dakota Telephone Co.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.163.128.0/20 since May 2005 | AS14090 | Residential | 13 1 always on | North Dakota Telephone Co. via goNDTC.com |
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 |
|---|---|---|---|---|---|---|
| 66.163.128.0/19 | 8,192 | NDTEL-NDTC | North Dakota Telephone Co. (NRDK) · US | Direct Allocation | Sep 6, 2001 | — |
| └ 66.163.128.0/20 | 4,096 | GONDTC-66-163-128-0-20-NETWORK | goNDTC.com (GONDT) · US | Reallocated | Apr 6, 2004 | scn@ |
Network & registry
Registry
Holder
- Organization
- North Dakota Telephone Co.
- Handle
- NRDK
- Range
- 66.
163. 128. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Sep 6, 2001
- Reallocated to
- goNDTC.com (GONDT)
- Reallocated range
- 66.
163. 128. 0/ 20 - Reallocated
- Apr 6, 2004
Origin network
AS14090
US
- Name
- North Dakota Telephone Co.
- Type
- Internet provider
- Registered
- Oct 19, 1999
- Domain
- gondtc.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2013
- Current origin since
- Apr 2013 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.163.128.0/20 | AS14090 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS14090 | ARIN | 211 22nd St NW | MNT-NRDK | Nov 18, 2025 |
Whois
Registration for this announcement
- Range
- 66.
163. 128. 0/ 20 - Netname
- GONDTC-66-163-128-0-20-NETWORK
- Registrant
- goNDTC.com
- Organization
- goNDTC.com (GONDT)
- Org address
- 211 22nd St NW, Devils Lake, ND, 58301
- Org country
- US
- Type
- Reallocated
- Handle
- NET-66-163-128-0-2
- Parent
- NET-66-163-128-0-1
- Created
- Apr 6, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 6, 2001
- Status
- assigned
Report abuse
Abuse contact
- scn@
ndtel. com - Name
- ABUSE REPORTING
- Phone
- +1-701-662-1100
- Handle
- ABUSE1872-ARIN