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AS11203

MATRIX-BROADBAND - Matrix Broadband

United States (US)

ASN Information

AS NumberAS11203
AS NameMATRIX-BROADBAND
OrganizationMATRIX-BROADBAND - Matrix Broadband
Also known asNot available
CountryUnited States (US)
RegistryARIN
ASN TypeNot available
Last Seen
Announcement Count17
IPv4 Prefix Count17
IPv6 Prefix Count0
RPKI StatusValid ×8NotFound ×8Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
WebsiteNot available

AS Path to AS11203

  1. 3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.
  2. 7018ATT-INTERNET4 - AT&T Enterprises, LLC
  3. 11203Origin

Most common path, seen 15× in route collector data, latest at a collector in London (2026-10-22 08:48:39 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: 23 peer session(s)London: 29 peer session(s)Eugene, OR: 55 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 (17)

View All →
PrefixFamilyRPKILast Seen
38.51.112.0/24IPv4NotFoundNot looked up yet
38.51.113.0/24IPv4NotFoundNot looked up yet
38.51.114.0/24IPv4NotFoundNot looked up yet
38.51.115.0/24IPv4NotFoundNot looked up yet
38.51.116.0/24IPv4NotFoundNot looked up yet
38.51.117.0/24IPv4NotFoundNot looked up yet
38.51.118.0/24IPv4NotFoundNot looked up yet
38.51.119.0/24IPv4NotFoundNot looked up yet

Peers (2)

View All →
ASNameRelationshipPathsLast Seen
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUpstream (inferred)870
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)Inferred—

Neighbours seen next to AS11203 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 AS11203.

IX ports registered by AS11203 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS11203.

Data centres where AS11203 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 AS11203.

Only contacts the network has chosen to publish are shown.

Upstreams (2)

ASNameRelationshipPathsLast Seen
AS7018ATT-INTERNET4 - AT&T Enterprises, LLCUpstream (inferred)870
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)Inferred—

Downstreams (0)

No downstream ASNs found for AS11203 in current data sources.

Registry and network details

Registered holderMATRIX-BROADBAND - Matrix Broadband
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.