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AS12

New York University

United States (US)

ASN Information

AS NumberAS12
AS NameNYU-DOMAIN
OrganizationNYU-DOMAIN - New York University
Also known asNot available
CountryUnited States (US)
RegistryARIN
ASN TypeNot available
Last Seen
Announcement Count14
IPv4 Prefix Count13
IPv6 Prefix Count1
RPKI StatusNotFound ×12Unknown (could not be determined) ×2
IRR RecordsView IRR route objects
WebsiteNot available

AS Path to AS12

  1. 16552DIGICERT - Tiggee LLC
  2. 3257GTT-BACKBONE GTT Communications Inc.
  3. 12Origin

Most common path, seen 25× in route collector data, latest at a collector in São Paulo (2026-10-20 07:58:46 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 16 peer session(s)Johannesburg: 19 peer session(s)Singapore: 22 peer session(s)Amsterdam: 24 peer session(s)London: 30 peer session(s)Eugene, OR: 60 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 (14)

View All →
PrefixFamilyRPKILast Seen
128.122.0.0/16IPv4NotFoundNot looked up yet
128.238.0.0/16IPv4NotFoundNot looked up yet
192.76.177.0/24IPv4NotFoundNot looked up yet
192.86.139.0/24IPv4NotFoundNot looked up yet
216.165.0.0/18IPv4NotFoundNot looked up yet
216.165.64.0/19IPv4NotFoundNot looked up yet
216.165.88.0/24IPv4Not checkedNot looked up yet
216.165.89.0/24IPv4NotFoundNot looked up yet

Peers (10)

View All →
ASNameRelationshipPathsLast Seen
AS3257GTT-BACKBONE GTT Communications Inc.Upstream (inferred)441
AS6461ZAYO-6461 - Zayo BandwidthUpstream (inferred)389
AS3754NYSERNET3-AS - NYSERNetUpstream (inferred)40
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCUpstream (inferred)36
AS137ASGARR Consortium GARRUpstream (inferred)Inferred—
AS286KPN GTT Communications Inc.Upstream (inferred)Inferred—
AS3269ASN-IBSNAZ Telecom Italia S.p.A.Upstream (inferred)Inferred—
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)Inferred—

Neighbours seen next to AS12 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 AS12.

IX ports registered by AS12 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS12.

Data centres where AS12 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 requirementNo
ContractNot available
TrafficNot available
Traffic ratioNot Disclosed
Geographic scopeNot Disclosed
Max prefixes (IPv4 / IPv6)Not available
Unicast / IPv6 / MulticastNo / No / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS12.

Only contacts the network has chosen to publish are shown.

Upstreams (9)

ASNameRelationshipPathsLast Seen
AS3257GTT-BACKBONE GTT Communications Inc.Upstream (inferred)441
AS6461ZAYO-6461 - Zayo BandwidthUpstream (inferred)389
AS3754NYSERNET3-AS - NYSERNetUpstream (inferred)40
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCUpstream (inferred)36
AS137ASGARR Consortium GARRUpstream (inferred)Inferred—
AS286KPN GTT Communications Inc.Upstream (inferred)Inferred—
AS3269ASN-IBSNAZ Telecom Italia S.p.A.Upstream (inferred)Inferred—
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)Inferred—
AS8220COLT COLT Technology Services Group LimitedUpstream (inferred)Inferred—

Downstreams (1)

ASNameRelationshipPathsLast Seen
AS394666NYU-HOSPITALS-CENTER - NYU Langone HealthDownstream (inferred)Inferred—

Registry and network details

Registered holderNYU-DOMAIN - New York University
RegisteredYes
Peering policyNot available
IRR AS-setNot available
Registry record last modifiedNot available
MaintainersNot available
Internet exchanges0
Facilities0
Network profile updated

Data updated . See limitations.