Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS16433

Announcement observedARIN

NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION · NCTC-ISP

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 17:22:45Snapshot expired

View network topology RDAP registration

ASN: AS16433
Registration country: United States
Name: NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
Abbreviation: NCTC-ISP
Registration date: 7/15/2010, 19:11:57
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
104.243.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.64.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.64.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.65.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.67.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.68.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.69.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.70.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.71.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.72.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.72.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.73.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.75.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.76.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.77.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
104.243.79.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/30/2026, 08:00:00	✓	×	Historical record
147.160.136.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
147.160.136.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
147.92.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
147.92.16.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
147.92.24.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.16.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.20.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.21.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.22.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.24.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.27.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.28.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.29.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
160.79.31.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.224.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.224.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.226.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.227.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.228.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.229.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.230.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.231.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record
161.38.232.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
RIR: ARIN
Registration country: United States
Registration date: 7/15/2010, 19:11:57
Abuse contact: troy.wells@nctc.com

Snapshot trend

9/30/2026, 17:22:45170 v41 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn