AS42459 — FOBUL

AS42459 announces 4 IPv4 prefixes covering 7,168 addresses and 1 IPv6 prefixes.

About this network

FOBUL is the AS handle for Fiber Optics Bulgaria OOD.

What it's used for

• The address space carries fiber-optic backbone infrastructure, with netnames such as BG-FIBEROPTICS-20101011 and KT-VEREYA indicating dedicated fiber routes and interconnection points.
• The AS announces 7168 IPv4 addresses and 1 IPv6 prefix against 110 observed neighbours, a ratio that signals a transit or network service provider role rather than a direct access network.
• As a company providing services to network service providers and alternative telecom operators, the traffic consists of wholesale fiber backhaul and interconnection for other ISPs and enterprise clients.

Notable

• Registrants consistently identify as FOBUL Contacts or Fiber Optics Bulgaria OOD, aligning with the AS holder.
• The address inventory is composed of six IPv4 prefixes, including a /21 and multiple /22s, reflecting a segmented corporate estate for different fiber segments or customer allocations.

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

Announced prefixes

• 79.134.56.0/21
• 193.32.0.0/23
• 193.32.4.0/23
• 212.45.64.0/20
• 2a02:2660::/32

Upstream networks

• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS31287 IPACCT CABLE Ltd
• AS34549 meerfarbig GmbH & Co. KG
• AS3257 GTT Communications Inc.
• AS212024 Marc Schmitt
• AS12859 BIT BV
• AS42708 Glesys AB
• AS24482 SG.GS
• AS48362 Stadtwerke Feldkirch
• AS34019 Hivane Association
• AS12779 IT.Gate S.p.A.
• AS20485 Joint Stock Company TransTeleCom
• AS37100 SEACOM Limited
• AS6797 GlobalConnect AB
• AS37721 Virtual Technologies & Solutions
• AS1836 green.ch AG
• AS213241 TECHIT.BE SRL
• AS29632 Netassist International EOOD
• AS56662 Marcin Gondek

Downstream networks

• AS25076 KTV Istar Ltd.

Adjacent networks

• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS31287 IPACCT CABLE Ltd
• AS34549 meerfarbig GmbH & Co. KG
• AS25076 KTV Istar Ltd.
• AS3257 GTT Communications Inc.
• AS42708 Glesys AB
• AS12859 BIT BV
• AS24482 SG.GS
• AS48362 Stadtwerke Feldkirch
• AS212024 Marc Schmitt
• AS34019 Hivane Association
• AS37721 Virtual Technologies & Solutions
• AS12779 IT.Gate S.p.A.
• AS6797 GlobalConnect AB
• AS20485 Joint Stock Company TransTeleCom
• AS1836 green.ch AG
• AS37100 SEACOM Limited
• AS213241 TECHIT.BE SRL
• AS29632 Netassist International EOOD
• AS17639 Converge ICT Solutions Inc.
• AS56662 Marcin Gondek

Routing security

• RPKI: 9 valid, 0 invalid and 0 not-found announcements; 10 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 38 route objects.
• Listed in as-sets: AS-BTELOUT, AS-BTELOUT-V6, AS-FOBUL, AS-FOBUL-V6, AS-HURRICANEV6, AS-IPACCT, AS-MANDA-DECIX-PEERS-V4, AS-MANDA-DECIX-PEERS-V6, AS-TPN-TERAOPTICS, AS6695:AS-DECIX-FRA-CONNECTED, AS6695:AS-DECIX-FRA-RS, AS6695:AS-DECIX-FRA-RS-V6.

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany