AS203545 — NERZEN-BILISIM-TEKNOLOJILERI Savas Anac

AS203545 announces 6 IPv4 prefixes covering 1,536 addresses and 1 IPv6 prefixes.

About this network

The AS handle NERZEN-BILISIM-TEKNOLOJILERI is held by Nerzen Bilisim Teknolojileri.

What it's used for

• The address space carries web hosting, VDS, dedicated server, and cloud infrastructure, evidenced by reverse DNS entries for nerzen.com and fivexbilisim.com.
• The network announces 2048 IPv4 addresses across 8 prefixes and 1 IPv6 prefix, with 4 observed neighbours, indicating a small-scale enterprise or hosting provider rather than a transit carrier.
• Traffic from this AS consists of web/API endpoints and server infrastructure for the company's hosting and cloud services.

Notable

• Registrants include Vode Soft LLC, Interlir NOC, InterLIR LLC, VaultDweller NOC, and Meric Internet Teknolojileri A.S., alongside the primary holder Nerzen-Bilisim-Teknolojileri.
• The address inventory is fragmented across multiple /24 blocks from different registrants, suggesting leased or acquired space rather than a single contiguous allocation.

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

Announced prefixes

• 31.77.55.0/24
• 141.98.50.0/24
• 144.225.64.0/24
• 156.233.71.0/24
• 166.1.5.0/24
• 185.73.125.0/24
• 2a0f:bf01::/48

Upstream networks

• AS199524 G-Core Labs S.A.
• AS212219 HOSTING DUNYAM BILISIM TEKNOLOJILERI TICARET LIMITED SIRKETI
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI

Downstream networks

• AS213796 Ahmet Cevik
• AS198988 Vode Soft LLC

Adjacent networks

• AS199524 G-Core Labs S.A.
• AS213796 Ahmet Cevik
• AS198988 Vode Soft LLC
• AS218802 Northshield LLC
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS212219 HOSTING DUNYAM BILISIM TEKNOLOJILERI TICARET LIMITED SIRKETI

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 7 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 8 route objects.
• Listed in as-sets: AS-BIHNET-ALL, AS-GIBIRNET-INT, AS-HURRICANEV6, AS-RETN-ACTUAL-V6, AS-STORMWALL-SET, AS-STORMWALL-SET, AS199524:AS-GCORE-DP, AS203545:AS-CUSTOMERS, AS208972:AS-DDOS-PROTECTED, AS212219:AS-HOSTINGDUNYAM, AS213796:AS-HOSTOPYA, AS6205:AS-HIZLINET, AS6205:AS-HIZLINET-SEC1.

Internet exchanges

• Bulgarian Internet eXchange — Sofia, Bulgaria
• DE-CIX Istanbul — Istanbul, Turkey