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KynexBGP

AS20123

NOS-NOG2 - NOS Network Operations Group

United States (US)

ASN Information

AS NumberAS20123
AS NameNOS-NOG2
OrganizationNOS-NOG2 - NOS Network Operations Group
Also known asNot available
CountryUnited States (US)
RegistryARIN
ASN TypeNot available
Last Seen
Announcement Count1
IPv4 Prefix Count1
IPv6 Prefix Count0
RPKI StatusNotFound ×1
IRR RecordsAvailable (7 route objects)
PeeringDBSource unavailable
WebsiteNot available

AS Path to AS20123

  1. 49544i3Dnet i3D.net B.V
  2. 2914NTT-DATA-2914 - NTT America, Inc.
  3. 20123Origin

Most common path, seen 5× in RouteViews data, latest at route-views.sg (2026-10-16 09:28:21 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s) — route-views.sydney (11)São Paulo: 17 peer session(s) — ix-br2.gru (17)Johannesburg: 19 peer session(s) — route-views.napafrica (19)Singapore: 21 peer session(s) — route-views.sg (21)Amsterdam: 24 peer session(s) — amsix.ams (24)London: 28 peer session(s) — route-views.linx (28)Eugene, OR: 56 peer session(s) — route-views3 (20), route-views5 (19), route-views4 (17)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate RouteViews collector locations, sized by peer sessions carrying this AS's routes.

Announced Prefixes (1)

View All →
PrefixFamilyRPKILast Seen
208.69.81.0/24IPv4NotFoundNot looked up yet

Peers (3)

View All →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)102
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)73
AS271253AS271253 - LINK BRASIL TELECOMUNICACOES LTDAUpstream (inferred)1

Neighbours seen next to AS20123 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

IX Presence (0)

IX Updates →

PeeringDB lists no Internet Exchange ports for AS20123.

IX ports AS20123 has registered in PeeringDB (self-reported).

Upstreams (3)

ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)102
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)73
AS271253AS271253 - LINK BRASIL TELECOMUNICACOES LTDAUpstream (inferred)1

Downstreams (0)

No downstream ASNs found for AS20123 in current data sources.

Registry and PeeringDB details

Holder (RIPEstat)NOS-NOG2 - NOS Network Operations Group
RegisteredYes
Peering policyNot available
IRR AS-setNot available
Registry record last modifiedNot available
MaintainersNot available
Internet exchanges (PeeringDB)Not available
Facilities (PeeringDB)Not available
PeeringDB record updatedNot available

Data sources for this page

One source could not be reached. Sections that depend on it may be incomplete; missing data does not mean there are no records.

SourceFreshnessResultFetchedProvider observationError
RouteViews APILiveOKNot reportedNone
RIPEstat Data APILiveOKNot reportedNone
PeeringDBUnavailableSource unavailableNeverNot reportedPeeringDB: HTTP 404
RouteViews APILiveOKNone
RouteViews API (AS paths)LiveOKNone
RouteViews APILiveNo recordsNot reportedNone
RIPEstat Data API (AS names)CachedOKNot reportedNone
NLNOG IRRexplorerLiveOKNot reportedNone
PeeringDB (exchanges)CachedOKNot reportedNone

Page generated . See data sources and limitations.