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AS12355

City2020 / HAMCOM / LuenTEL / GSWCOM / AhlenCOM /SoestCOM

Germany (DE)

ASN Information

AS NumberAS12355
AS NameHAMCOM-DE
OrganizationHamm, Germany
Also known asCity2020 / HAMCOM / LuenTEL / GSWCOM / AhlenCOM /SoestCOM
CountryGermany (DE)
RegistryRIPE NCC
ASN TypeCable/DSL/ISP
Last Seen
Announcement Count26
IPv4 Prefix Count15
IPv6 Prefix Count11
RPKI StatusValid ×5Unknown (could not be determined) ×21
IRR RecordsView IRR route objects
Websitehttps://www.helinet.de ↗

AS Path to AS12355

  1. 58511ANYCAST-GLOBAL-BACKBONE - Anycast Global Backbone
  2. 12355Origin

Most common path, seen 20× in route collector data, latest at a collector in Eugene, OR (2026-10-23 12:37:50 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 17 peer session(s)Johannesburg: 17 peer session(s)Singapore: 22 peer session(s)Amsterdam: 26 peer session(s)London: 31 peer session(s)Eugene, OR: 54 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 (26)

View All →
PrefixFamilyRPKILast Seen
83.216.224.0/19IPv4ValidNot looked up yet
88.208.128.0/18IPv4ValidNot looked up yet
88.208.128.0/19IPv4Not checkedNot looked up yet
88.208.160.0/19IPv4Not checkedNot looked up yet
185.166.176.0/22IPv4ValidNot looked up yet
188.136.0.0/17IPv4ValidNot looked up yet
188.136.0.0/19IPv4Not checkedNot looked up yet
188.136.3.0/24IPv4Not checkedNot looked up yet

Peers (149)

View All →
ASNameRelationshipPathsLast Seen
AS50629LWLCOM LWLcom GmbHUpstream (inferred)239
AS37468Angola Cables - Angola CablesUpstream (inferred)45
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)39
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)35
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)22
AS3257GTT-BACKBONE GTT Communications Inc.Upstream (inferred)21
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS37100SEACOM Limited - SEACOM LimitedUpstream (inferred)15

Neighbours seen next to AS12355 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 (4)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
AMS-IXAmsterdam, NL80.249.208.762001:7f8:1::a501:2355:2100GYes
DE-CIX FrankfurtFrankfurt, DE80.81.192.2402001:7f8::3043:0:1100GYes
DO-IXDortmund, DE185.1.18.352001:67c:2b9c::100:3510GYes
MegaIX DusseldorfDusseldorf, DE194.146.118.1442001:7f8:8::3043:0:120GYes

IX ports registered by AS12355 (self-reported by the network).

Interconnection Facilities (4)

FacilityCityCountry
euNetworks Colocation DortmundDortmundGermany
Digital Realty Dusseldorf DUS1-3DüsseldorfGermany
Equinix FR5 - Frankfurt, KleyerStrasseFrankfurtGermany
Equinix AM7 - Amsterdam, KuiperberwegAmsterdamNetherlands

Data centres where AS12355 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-HELINET-V4AS-HELINET-V6
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsPreferred
Ratio requirementNo
ContractNot Required
Traffic20-50Gbps
Traffic ratioMostly Inbound
Geographic scopeRegional
Max prefixes (IPv4 / IPv6)100 / 100
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (3)

RoleNameEmailPhone
NOCHeLi NET NOCnoc@helinet.de+4923818744250
AbuseAbuse Teamabuse@helinet.de—
SalesSales Droidsvertrieb@helinet.de+4923818744000

Only contacts the network has chosen to publish are shown.

Upstreams (102)

View all →
ASNameRelationshipPathsLast Seen
AS50629LWLCOM LWLcom GmbHUpstream (inferred)239
AS37468Angola Cables - Angola CablesUpstream (inferred)45
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)39
AS30844LIQUID-AS Liquid Telecommunications LtdUpstream (inferred)35
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)22
AS3257GTT-BACKBONE GTT Communications Inc.Upstream (inferred)21
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS37100SEACOM Limited - SEACOM LimitedUpstream (inferred)15
AS37497Network Platforms (PTY) LTD - Network Platforms (PTY) LTDUpstream (inferred)15
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS35280F5 F5 Networks SARLUpstream (inferred)12
AS3216SOVAM-AS PJSC "Vimpelcom"Upstream (inferred)10

Downstreams (0)

No downstream ASNs found for AS12355 in current data sources.

Registry and network details

Registered holderHAMCOM-DE HeLi NET Telekommunikation GmbH & Co.
RegisteredYes
Peering policyOpen
IRR AS-setAS-HELINET-V4 AS-HELINET-V6
Registry record last modified
MaintainersRIPE-NCC-END-MNT, AS12355-MNT
Internet exchanges4
Facilities4
Network profile updated

Some information on this page is from an earlier update because a data source is temporarily unavailable.

Data updated . See limitations.