Autonomous system
AS42459 FOBUL
Unclassified RIPE
Summary
Fiber Optics Bulgaria
transit fiber bulgaria nsp
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-20101011andKT-VEREYAindicating 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 ContactsorFiber 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. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.194.252 |
Transit providers
20 upstream, 1 downstream and 30 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 6 prefixes · 7.17K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| BG | Bulgaria | 7 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS42459- Registry name
- FOBUL
- Registrant
- MNT-FOBUL
- Abuse contact
- abuse@fobul.net
- Registered
- 2007-02-23
- Last changed
- 2024-11-21
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 9 valid, 0 with no ROA
- ROAs
- 10 authorising AS42459
- ASPA
- no ASPA record
- IRR
- 100% registered · 9 of 9 announcements
- Route objects
- 38 naming AS42459
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere