AS51050 — H4HOSTING-AS H4Hosting BV

AS51050 announces 7 IPv4 prefixes covering 7,168 addresses and 2 IPv6 prefixes.

About this network

H4HOSTING-AS is operated by H4Hosting BV.

What it's used for

• The address space carries business hosting and internet access, evidenced by reverse DNS entries such as hosted-by.as51050.net, fiber.nexxtcom.nl, and share-mta26.embluenet.com.
• The AS announces 7,168 IPv4 addresses and 2 IPv6 prefixes, with 47 observed neighbours. This ratio of address space to peering relationships indicates a hosting and business access provider rather than a large-scale residential ISP or transit carrier.
• Traffic from this AS consists of web and API endpoints, VoIP media, and branch backhaul for business clients, consistent with H4Hosting's provision of internet access and hosting services for the business market.

Notable

• Registrants for the majority of prefixes are H4Hosting BV, while two prefixes (193.38.140.0/23 and 193.39.6.0/23) are registered to NexxtCom B.V., indicating leased or acquired address space.
• The address inventory is subdivided into seven IPv4 prefixes, including two /21 blocks and five smaller /22 and /23 blocks, reflecting a segmented corporate estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 5.83.0.0/21
• 178.217.80.0/21
• 185.98.144.0/22
• 193.38.140.0/23
• 193.39.6.0/23
• 193.53.10.0/23
• 193.53.90.0/23
• 2a01:5cc0::/32
• 2a0f:b580::/29

Upstream networks

• AS57866 Fusix Networks B.V.
• AS39647 Enreach Netherlands B.V.
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS401753 BIXCE Inc
• AS34019 Hivane Association
• AS20764 CJSC RASCOM
• AS202365 Omer GOLGELI
• AS34927 iFog GmbH
• AS56662 Marcin Gondek

Adjacent networks

• AS57866 Fusix Networks B.V.
• AS39647 Enreach Netherlands B.V.
• AS6939 Hurricane Electric LLC
• AS34019 Hivane Association
• AS37721 Virtual Technologies & Solutions
• AS401753 BIXCE Inc
• AS24482 SG.GS
• AS202365 Omer GOLGELI
• AS34927 iFog GmbH
• AS20764 CJSC RASCOM
• AS56662 Marcin Gondek

Routing security

• RPKI: 9 valid, 0 invalid and 0 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 9 route objects.
• Listed in as-sets: AS-EASYHOSTING, AS-H4HOSTING, AS-MANDA-AMSIX-PEERS-V4, AS-MANDA-AMSIX-PEERS-V6, AS-OPENPEERING, AS-REDHOSTING, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-XENOSITE, AS57866:AS-FUSIX, AS6777:AS-AMS-IX-RS-SETS, AS6777:AS-AMS-IX-RS-SETS-V6, AS680:AS-AMSIX-RS-PEERS, AS8218:AS-AMSIX-RS.

Internet exchanges

• AMS-IX Amsterdam — Amsterdam, Netherlands
• The Frys Internet Exchange — Frysian, Netherlands
• Speed Internet Exchange — Dronten, Netherlands
• InterIX Internet Exchange — Amsterdam, Netherlands