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AS20442

YNHHSC - Yale-New Haven Health Services Corporation

United States (US)

ASN Information

AS NumberAS20442
AS NameYNHHSC
OrganizationYNHHSC - Yale-New Haven Health Services Corporation
Also known asNot available
CountryUnited States (US)
RegistryARIN
ASN TypeNot available
Last Seen
Announcement Count30
IPv4 Prefix Count30
IPv6 Prefix Count0
RPKI StatusNotFound ×30
IRR RecordsView IRR route objects
WebsiteNot available

AS Path to AS20442

  1. 37271Workonline Communications(Pty) Ltd - Workonline Communications(Pty) Ltd
  2. 6461ZAYO-6461 - Zayo Bandwidth
  3. 46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC
  4. 20442Origin

Most common path, seen 20× in route collector data, latest at a collector in Johannesburg (2026-10-25 13:38:57 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 16 peer session(s)Johannesburg: 19 peer session(s)Singapore: 21 peer session(s)Amsterdam: 24 peer session(s)London: 27 peer session(s)Eugene, OR: 56 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (30)

View All →
PrefixFamilyRPKILast Seen
64.252.240.0/24IPv4NotFoundNot looked up yet
64.252.241.0/24IPv4NotFoundNot looked up yet
64.252.242.0/24IPv4NotFoundNot looked up yet
64.252.243.0/24IPv4NotFoundNot looked up yet
64.252.244.0/24IPv4NotFoundNot looked up yet
64.252.245.0/24IPv4NotFoundNot looked up yet
64.252.246.0/24IPv4NotFoundNot looked up yet
64.252.247.0/24IPv4NotFoundNot looked up yet

Peers (3)

View All →
ASNameRelationshipPathsLast Seen
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCUpstream (inferred)770
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUpstream (inferred)100
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)Inferred—

Neighbours seen next to AS20442 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (0)

IX Updates →

No Internet Exchange ports are registered for AS20442.

IX ports registered by AS20442 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS20442.

Data centres where AS20442 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETNot available
Member of AS-SETsSee IRR page
Peering policyNot available
Multiple locationsNot available
Ratio requirementNot available
ContractNot available
TrafficNot available
Traffic ratioNot available
Geographic scopeNot available
Max prefixes (IPv4 / IPv6)Not available
Unicast / IPv6 / MulticastNot available
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS20442.

Only contacts the network has chosen to publish are shown.

Upstreams (3)

ASNameRelationshipPathsLast Seen
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCUpstream (inferred)770
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUpstream (inferred)100
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)Inferred—

Downstreams (0)

No downstream ASNs found for AS20442 in current data sources.

Registry and network details

Registered holderYNHHSC - Yale-New Haven Health Services Corporation
RegisteredYes
Peering policyNot available
IRR AS-setNot available
Registry record last modifiedNot available
MaintainersNot available
Internet exchangesNot available
FacilitiesNot available
Network profile updatedNot available

Data updated . See limitations.