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AS203757

klegul

Germany (DE)

ASN Information

AS NumberAS203757
AS NameKLEGUL
OrganizationKLEGUL Gregor Czubayko
Also known asNot available
CountryGermany (DE)
RegistryRIPE NCC
ASN TypeEducational/Research
Last Seen
Announcement Count1
IPv4 Prefix Count0
IPv6 Prefix Count1
RPKI StatusUnknown (could not be determined) ×1
IRR RecordsView IRR route objects
Websitehttps://as203757.net ↗

AS Path to AS203757

  1. 58511ANYCAST-GLOBAL-BACKBONE - Anycast Global Backbone
  2. 553BELWUE Universitaet Stuttgart
  3. 204680KIT-STUDENT Karlsruhe Institute of Technology
  4. 203757Origin

Most common path, seen 4× in route collector data, latest at a collector in Singapore (2026-10-16 09:25:16 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 10 peer session(s)São Paulo: 16 peer session(s)Johannesburg: 17 peer session(s)Amsterdam: 21 peer session(s)Singapore: 21 peer session(s)London: 28 peer session(s)Eugene, OR: 57 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 (1)

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PrefixFamilyRPKILast Seen
2001:67c:7d0::/48IPv6Not checkedNot looked up yet

Peers (1)

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ASNameRelationshipPathsLast Seen
AS204680KIT-STUDENT Karlsruhe Institute of TechnologyUpstream (inferred)170

Neighbours seen next to AS203757 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 AS203757.

IX ports registered by AS203757 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS203757.

Data centres where AS203757 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)0 / 2
Unicast / IPv6 / MulticastNo / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS203757.

Only contacts the network has chosen to publish are shown.

Upstreams (1)

ASNameRelationshipPathsLast Seen
AS204680KIT-STUDENT Karlsruhe Institute of TechnologyUpstream (inferred)170

Downstreams (0)

No downstream ASNs found for AS203757 in current data sources.

Registry and network details

Registered holderKLEGUL Gregor Czubayko
RegisteredYes
Peering policyOpen
IRR AS-setNot available
Registry record last modified
MaintainersRIPE-NCC-END-MNT, IMKA-MNT, KLEGUL-MNT
Internet exchanges0
Facilities0
Network profile updated

Data updated . See limitations.