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AS205306

ADVSCHEMA

France (FR)

ASN Information

AS NumberAS205306
AS NameADVSCHEMA
OrganizationADVSCHEMA ADVANCED SCHEMA SAS
Also known asNot available
CountryFrance (FR)
RegistryRIPE NCC
ASN TypeEnterprise
Last Seen
Announcement Count3
IPv4 Prefix Count2
IPv6 Prefix Count1
RPKI StatusValid ×1NotFound ×1Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
WebsiteNot available

AS Path to AS205306

  1. 37271—
  2. 2914NTT-DATA-2914 - NTT America, Inc.
  3. 205306Origin

Most common path, seen 8× in route collector data, latest at a collector in Johannesburg (2026-10-17 15:00:18 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 21 peer session(s)São Paulo: 32 peer session(s)Johannesburg: 35 peer session(s)Singapore: 43 peer session(s)Amsterdam: 45 peer session(s)London: 57 peer session(s)Eugene, OR: 113 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 (3)

View All →
PrefixFamilyRPKILast Seen
185.222.192.0/22IPv4NotFoundNot looked up yet
204.27.69.0/24IPv4ValidNot looked up yet
2a0b:f140::/29IPv6Not checkedNot looked up yet

Peers (51)

View All →
ASNameRelationshipPathsLast Seen
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)263
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)103
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)74
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)41
AS9002RETN-AS RETN LimitedUpstream (inferred)8
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)4
AS49544i3Dnet i3D.net B.VUpstream (inferred)3
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)2

Neighbours seen next to AS205306 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 AS205306.

IX ports registered by AS205306 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS205306.

Data centres where AS205306 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETNot available
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
TrafficNot available
Traffic ratioNot Disclosed
Geographic scopeNot Disclosed
Max prefixes (IPv4 / IPv6)5 / 0
Unicast / IPv6 / MulticastNo / No / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS205306.

Only contacts the network has chosen to publish are shown.

Upstreams (36)

View all →
ASNameRelationshipPathsLast Seen
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)263
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)103
AS174COGENT-174 - Cogent Communications, LLCUpstream (inferred)74
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)41
AS9002RETN-AS RETN LimitedUpstream (inferred)8
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)4
AS49544i3Dnet i3D.net B.VUpstream (inferred)3
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)2
AS34288AS34288 Kantonsschule ZugUpstream (inferred)2
AS35280F5 F5 Networks SARLUpstream (inferred)2
AS37100SEACOM Limited - SEACOM LimitedUpstream (inferred)2
AS51185MAINSTREAMING-AS MainStreaming SpAUpstream (inferred)2

Downstreams (0)

No downstream ASNs found for AS205306 in current data sources.

Registry and network details

Registered holderADVSCHEMA ADVANCED SCHEMA SAS
RegisteredYes
Peering policyOpen
IRR AS-setNot available
Registry record last modified
MaintainersRIPE-NCC-END-MNT, fr-advschema-1-mnt
Internet exchanges0
Facilities0
Network profile updated

Data updated . See limitations.