AS203410 — COLOBIX COLOBIX LTD

AS203410 announces 10 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.

About this network

COLOBIX is the AS handle for Colobix Ltd, a Cyprus-based provider of dedicated servers, colocation, and IP transit services.

What it's used for

• The address space carries infrastructure for hosting and transit, evidenced by netnames such as COLOBIX-LTD-GTT, CY-COLOBIX-20231005, and BG-VOXLAN-20210929.
• The AS announces 4096 IPv4 addresses across 10 prefixes and 19 IPv6 prefixes, while maintaining 116 observed neighbours; this ratio of modest address inventory against a high neighbour count indicates a transit and interconnection role.
• Traffic from this AS consists of web/API endpoints, dedicated server workloads, and IP transit for customers, consistent with Colobix's business of providing global infrastructure and connectivity.

Notable

• Registrants include COLOBIX LTD, VOXLAN Ltd., and VESTITEL BG, with some prefixes showing historical netnames like US-GTTCOMMUNICATIONS-20021016 and BG-VESTITEL-20100527, suggesting the space includes inherited or leased blocks from other operators.
• The address inventory is fragmented across multiple /23 and /24 blocks, including a large /22 block, reflecting a mix of native and acquired address space.

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

Announced prefixes

• 62.105.206.0/23
• 78.40.140.0/24
• 82.119.207.0/24
• 83.245.28.0/22
• 91.92.246.0/24
• 178.249.168.0/23
• 178.249.174.0/23
• 194.26.139.0/24
• 194.104.122.0/24
• 195.5.166.0/24
• 2a13:f80::/29

Upstream networks

• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS3257 GTT Communications Inc.
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS5511 Orange S.A.
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS9002 RETN Limited
• AS3356 Level 3 Parent, LLC
• AS24482 SG.GS
• AS22652 Videotron Ltee
• AS394256 Tech Futures Interactive Inc.
• AS852 TELUS Communications Inc.
• AS174 Cogent Communications, LLC
• AS1403 EBOX
• AS37721 Virtual Technologies & Solutions
• AS33891 Core-Backbone GmbH
• AS49673 Truenetwork LLC
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS50673 Serverius Holding B.V.
• AS56655 Gigahost AS
• AS577 Bell Canada
• AS34549 meerfarbig GmbH & Co. KG
• AS20473 The Constant Company, LLC
• AS8280 SYNAPSECOM S.A. Provider of Telecommunications and Internet Services
• AS50304 Blix Solutions AS

Downstream networks

• AS57242 FOP Martyinchuk Aleksandr Vasilevich

Adjacent networks

• AS1299 Arelion Sweden AB
• AS57242 FOP Martyinchuk Aleksandr Vasilevich
• AS6939 Hurricane Electric LLC
• AS3257 GTT Communications Inc.
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS5511 Orange S.A.
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS9002 RETN Limited
• AS3356 Level 3 Parent, LLC
• AS24482 SG.GS
• AS22652 Videotron Ltee
• AS37721 Virtual Technologies & Solutions
• AS33891 Core-Backbone GmbH
• AS208972 GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
• AS50673 Serverius Holding B.V.
• AS49673 Truenetwork LLC
• AS56655 Gigahost AS
• AS852 TELUS Communications Inc.
• AS394256 Tech Futures Interactive Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS174 Cogent Communications, LLC
• AS1403 EBOX
• AS50304 Blix Solutions AS
• AS577 Bell Canada
• AS20473 The Constant Company, LLC

Routing security

• RPKI: 15 valid, 0 invalid and 5 not-found announcements; 15 ROAs.
• ASPA: 8 authorised providers.
• IRR: 70% of announcements registered; 14 route objects.
• Listed in as-sets: AS-BELCLOUD, AS-CIREX, AS-CIREX-IPV6, AS-HURRICANEV6, AS-NETRACK, AS-OPENTRANSIT, AS-RETN, AS-RETN-ACTUAL-V4, AS-TORIX, AS203410:AS-COLOBIX, AS47697:AS-BIX-BG-L3.

Internet exchanges

• LINX LON1 — London, United Kingdom
• Giganet Internet Exchange — Kyiv, Ukraine
• The Frys Internet Exchange — Frysian, Netherlands
• Toronto Internet Exchange — Toronto, Canada
• Bulgarian Internet eXchange — Sofia, Bulgaria