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Metromedia, Globalvoice, Serico, Lambdanet, FibreLac, Teragate, Onstage logo

AS13237

Metromedia, Globalvoice, Serico, Lambdanet, FibreLac, Teragate, Onstage

Germany (DE)

ASN Information

AS NumberAS13237
AS NameLAMBDANET-AS
OrganizationEuropean Backbone of AS13237
Also known asMetromedia, Globalvoice, Serico, Lambdanet, FibreLac, Teragate, Onstage
CountryGermany (DE)
RegistryRIPE NCC
ASN TypeNSP
Last Seen
Announcement Count53
IPv4 Prefix Count31
IPv6 Prefix Count22
RPKI StatusValid ×21NotFound ×5Unknown (could not be determined) ×24
IRR RecordsView IRR route objects
Websitehttp://map.eunetworks.com ↗

AS Path to AS13237

  1. 13237Origin

Most common path, seen 25× in route collector data, latest at a collector in London (2026-09-21 06:19:05 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 17 peer session(s)Johannesburg: 19 peer session(s)Singapore: 23 peer session(s)Amsterdam: 27 peer session(s)London: 33 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 (53)

View All →
PrefixFamilyRPKILast Seen
31.204.124.0/22IPv4ValidNot looked up yet
62.4.64.0/19IPv4ValidNot looked up yet
62.80.96.0/19IPv4ValidNot looked up yet
62.93.192.0/18IPv4ValidNot looked up yet
80.86.160.0/19IPv4ValidNot looked up yet
80.252.32.0/20IPv4Not checkedNot looked up yet
81.209.128.0/17IPv4ValidNot looked up yet
81.209.161.128/32IPv4Not checkedNot looked up yet

Peers (2318)

View All →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)174
AS5405INTERDOTLINK Inter.link GmbHUpstream (inferred)110
AS3257GTT-BACKBONE GTT Communications Inc.Both sides85
AS37468Angola Cables - Angola CablesUpstream (inferred)40
AS3320DTAG Deutsche Telekom AGUpstream (inferred)30
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)30
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)22
AS7713telkomnet-as-ap - PT Telekomunikasi IndonesiaUpstream (inferred)20

Neighbours seen next to AS13237 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 (16)

View all 16 ports →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
AMS-IXAmsterdam, NL80.249.208.2122001:7f8:1::a501:3237:1100GYes
BCIXBerlin, DE193.178.185.392001:7f8:19:1::33b5:120GYes
DE-CIX FrankfurtFrankfurt, DE80.81.192.742001:7f8::33b5:0:1100GYes
France-IX ParisParis, FR37.49.237.1632001:7f8:54::1:16310GYes
INEX LAN1Dublin, IE185.6.36.792001:7f8:18::79100GYes
INEX LAN2Dublin, IE194.88.240.572001:7f8:18:12::5710GYes
LINX LON1London, GB195.66.224.992001:7f8:4::33b5:1100GYes
LINX ManchesterManchester, GB195.66.244.1032001:7f8:4:2::33b5:110GYes
MIX-ITMilan, IT217.29.67.1592001:7f8:b:100:1d1:a5d1:3237:15910GYes
MegaIX DusseldorfDusseldorf, DE194.146.118.1162001:7f8:8::33b5:0:130GYes
MegaIX FrankfurtFrankfurt, DE62.69.146.542001:7f8:8:20:0:33b5:0:1100GYes
MegaIX HamburgHamburg, DE193.42.155.202001:7f8:8:10:0:33b5:0:120GYes
MegaIX MunichMunich, DE194.59.190.182001:7f8:2c:1000:0:33b5:0:120GYes
NL-ixAmsterdam, Rotterdam, Brussels, Luxembourg, Frankfurt, Düsseldorf, Berlin, Dublin, London, Copenhagen, Paris, Marseille, NL193.239.116.2472001:7f8:13::a501:3237:1100GYes
SwissIXZurich, CH91.206.52.1052001:7f8:24::6910GYes

IX ports registered by AS13237 (self-reported by the network).

Interconnection Facilities (45)

View all →
FacilityCityCountry
Digital Realty VIE1/2 - ViennaViennaAustria
Equinix GV1 - Geneva, CityGenevaSwitzerland
Digital Realty Zurich ZUR1GlattbruggSwitzerland
Equinix ZH2 - ZurichZurichSwitzerland
Equinix ZH4 - ZurichZurichSwitzerland
Speedbone BerlinBerlinGermany
euNetworks Colocation BerlinBerlinGermany
euNetworks Colocation BielefeldBielefeldGermany
euNetworks Colocation KoelnCologneGermany
euNetworks Colocation DortmundDortmundGermany
euNetworks Colocation DresdenDresdenGermany
Digital Realty Dusseldorf DUS1-3DüsseldorfGermany
euNetworks Colocation ErfurtErfurtGermany
Digital Realty Frankfurt FRA1-27FrankfurtGermany
Digital Realty Frankfurt FRA28 (Closed)FrankfurtGermany

Data centres where AS13237 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-EUNETWORKS
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsPreferred
Ratio requirementNo
ContractPrivate Only
TrafficNot available
Traffic ratioBalanced
Geographic scopeEurope
Max prefixes (IPv4 / IPv6)5000 / 1000
Unicast / IPv6 / MulticastYes / Yes / No
Looking glasshttps://lg.eunetworks.com/ ↗
Route serverNot available

Contact Information (0)

No public contacts are registered for AS13237.

Only contacts the network has chosen to publish are shown.

Upstreams (102)

View all →
ASNameRelationshipPathsLast Seen
AS1299TWELVE99 Arelion Sweden ABUpstream (inferred)174
AS5405INTERDOTLINK Inter.link GmbHUpstream (inferred)110
AS3257GTT-BACKBONE GTT Communications Inc.Both sides85
AS37468Angola Cables - Angola CablesUpstream (inferred)40
AS3320DTAG Deutsche Telekom AGUpstream (inferred)30
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)30
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)22
AS7713telkomnet-as-ap - PT Telekomunikasi IndonesiaUpstream (inferred)20
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)20
AS37100SEACOM Limited - SEACOM LimitedUpstream (inferred)15
AS37497Network Platforms (PTY) LTD - Network Platforms (PTY) LTDUpstream (inferred)15

Downstreams (199)

View all →
ASNameRelationshipPathsLast Seen
AS3257GTT-BACKBONE GTT Communications Inc.Both sides85
AS13030INIT7 Init7 (Switzerland) Ltd.Both sides10
AS13058—Both sides5
AS609—Downstream (inferred)Inferred—
AS2631—Downstream (inferred)Inferred—
AS3295—Downstream (inferred)Inferred—
AS3573—Downstream (inferred)Inferred—
AS4749—Downstream (inferred)Inferred—
AS4766—Downstream (inferred)Inferred—
AS5587—Downstream (inferred)Inferred—
AS6833—Downstream (inferred)Inferred—
AS8373—Downstream (inferred)Inferred—

Registry and network details

Registered holderLAMBDANET-AS euNetworks GmbH
RegisteredYes
Peering policyOpen
IRR AS-setAS-EUNETWORKS
Registry record last modified
MaintainersRIPE-NCC-END-MNT, LNC-MNT, EUNX-MNT
Internet exchanges16
Facilities45
Network profile updated

Data updated . See limitations.