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AS13128

ITDZ Berlin

Germany (DE)

ASN Information

AS NumberAS13128
AS NameLIT-BERLIN-AS
OrganizationLIT-BERLIN-AS IT-Dienstleistungszentrum Berlin
Also known asITDZ Berlin
CountryGermany (DE)
RegistryRIPE NCC
ASN TypeNot available
Last Seen
Announcement Count2
IPv4 Prefix Count1
IPv6 Prefix Count1
RPKI StatusValid ×1Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
Websitehttps://www.itdz-berlin.de ↗

AS Path to AS13128

  1. 35280F5 F5 Networks SARL
  2. 8220COLT COLT Technology Services Group Limited
  3. 13128Origin

Most common path, seen 9× in route collector data, latest at a collector in Amsterdam (2026-10-18 03:22:37 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 21 peer session(s)São Paulo: 33 peer session(s)Johannesburg: 35 peer session(s)Amsterdam: 43 peer session(s)Singapore: 43 peer session(s)London: 56 peer session(s)Eugene, OR: 112 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 (2)

View All →
PrefixFamilyRPKILast Seen
141.15.0.0/16IPv4ValidNot looked up yet
2a02:1022::/32IPv6Not checkedNot looked up yet

Peers (10)

View All →
ASNameRelationshipPathsLast Seen
AS8220COLT COLT Technology Services Group LimitedUpstream (inferred)329
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)10
AS8218NEO-ASN Zayo Infrastructure France SAUpstream (inferred)1
AS13058serve-u-AS serve-u - Buchholz und Suenderhauf GbRUpstream (inferred)1
AS13237LAMBDANET-AS euNetworks GmbHUpstream (inferred)1
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)1
AS680DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.UncertainInferred—
AS24961MYLOC-AS WIIT AGUncertainInferred—

Neighbours seen next to AS13128 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 (1)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
BCIXBerlin, DE193.178.185.1502001:7f8:19:1::3348:1100GYes

IX ports registered by AS13128 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS13128.

Data centres where AS13128 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 ratioBalanced
Geographic scopeNot Disclosed
Max prefixes (IPv4 / IPv6)300 / 1
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS13128.

Only contacts the network has chosen to publish are shown.

Upstreams (8)

ASNameRelationshipPathsLast Seen
AS8220COLT COLT Technology Services Group LimitedUpstream (inferred)329
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)10
AS8218NEO-ASN Zayo Infrastructure France SAUpstream (inferred)1
AS13058serve-u-AS serve-u - Buchholz und Suenderhauf GbRUpstream (inferred)1
AS13237LAMBDANET-AS euNetworks GmbHUpstream (inferred)1
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)1
AS39351ESAB-AS 31173 Services ABUpstream (inferred)Inferred—
AS50629LWLCOM LWLcom GmbHUpstream (inferred)Inferred—

Downstreams (0)

No downstream ASNs found for AS13128 in current data sources.

Registry and network details

Registered holderLIT-BERLIN-AS IT-Dienstleistungszentrum Berlin
RegisteredYes
Peering policyOpen
IRR AS-setNot available
Registry record last modified
MaintainersRIPE-NCC-END-MNT, ITDZ-BLN-MNT
Internet exchanges1
Facilities0
Network profile updated

Data updated . See limitations.