Autonomous system profile

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

AS187

Announcement observedARIN

DNSCAST-AS - DNScast · DNSCAST-AS

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

Last active9/29/2026, 05:53:29Snapshot expired

View network topology RDAP registration

ASN: AS187
Registration country: United States
Name: DNSCAST-AS - DNScast
Abbreviation: DNSCAST-AS
Registration date: 7/22/2009, 20:19:09
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
203.119.88.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.112.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.113.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.114.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.115.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.116.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.117.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.118.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.119.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.121.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.122.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.123.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.124.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.126.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
72.42.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/11/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: DNSCAST-AS - DNScast
RIR: ARIN
Registration country: United States
Registration date: 7/22/2009, 20:19:09
Abuse contact: woody@pch.net

Snapshot trend

9/29/2026, 05:53:2917 v417 v61 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 · rir-rdap-asn · iana-rdap-asn-bootstrap