Autonomous system profile

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

AS27185

Announcement observedARIN

Danbury Hospital - ITG · DHS-INTERNET

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

Last active10/1/2026, 22:35:15Snapshot expired

View network topology RDAP registration

ASN: AS27185
Registration country: United States
Name: Danbury Hospital - ITG
Abbreviation: DHS-INTERNET
Registration date: 1/23/2003, 11:23:13
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
170.77.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.124.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.127.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.180.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.181.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.183.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record
170.77.230.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/12/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: Danbury Hospital - ITG
RIR: ARIN
Registration country: United States
Registration date: 1/23/2003, 11:23:13
Abuse contact: mike.matthews@danhosp.org

Snapshot trend

10/1/2026, 22:35:1510 v40 v64 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