Autonomous system profile

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

AS16478

Announcement observedARIN

Colonial IU 20 · COLONIALNET-IU20

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

Last active9/30/2026, 17:23:21Snapshot expired

View network topology RDAP registration

ASN: AS16478
Registration country: United States
Name: Colonial IU 20
Abbreviation: COLONIALNET-IU20
Registration date: 6/20/2005, 19:49:08
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
216.162.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.112.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.113.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.114.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.115.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.116.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.117.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.118.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.119.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.121.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.122.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.123.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.126.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
216.162.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 08:00:00	10/11/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Colonial IU 20
RIR: ARIN
Registration country: United States
Registration date: 6/20/2005, 19:49:08
Abuse contact: arin@ciu20.org

Snapshot trend

9/30/2026, 17:23:2117 v44 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