AS42794 — ULTRACOM-AS Ultracom Ltd.

AS42794 announces 7 IPv4 prefixes covering 5,888 addresses and 1 IPv6 prefixes.

About this network

The AS handle ULTRACOM-AS is held by Ultracom Ltd.

What it's used for

• The address space carries corporate and leased infrastructure, evidenced by netnames BG-MTELNET-20051125, BG-MTELNET-20080418, ULTRACOM-BG, and NETERRA-ULTRACOM-NET.
• With 5,888 IPv4 addresses announced across 7 prefixes and only 2 observed neighbours, the ratio indicates an internal corporate estate or small business network rather than a transit or large-scale access provider.
• Reverse DNS entries for the 31.13.198.0/24 block point to neterra.net, indicating this specific segment is associated with Neterra, a Bulgarian IT services company.

Notable

• Registrants for the majority of prefixes are listed as A1 Bulgaria EAD Registry and A1 Bulgaria EAD Abuse, while the 31.13.198.0/24 prefix is registered to Neterra contacts.
• The address inventory is a mix of larger /21 blocks and smaller /23 and /24 blocks, with the largest allocations associated with the BG-MTELNET netnames.

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

Announced prefixes

• 31.13.198.0/24
• 82.103.112.0/24
• 88.203.208.0/21
• 88.203.232.0/23
• 92.247.120.0/21
• 92.247.128.0/23
• 212.36.17.0/24
• 2a01:288:4004::/48

Upstream networks

• AS8717 A1 Bulgaria EAD
• AS31287 IPACCT CABLE Ltd

Adjacent networks

• AS8717 A1 Bulgaria EAD
• AS31287 IPACCT CABLE Ltd

Routing security

• RPKI: 18 valid, 0 invalid and 0 not-found announcements; 18 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 18 route objects.
• Listed in as-sets: AS-A1BG-SEC, AS-BTC-UP, AS-HURRICANEV6, AS-IPACCT, AS-NETERRA-BG, AS-NETERRA-INT, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-SOFIA-CONNECT, AS-ULTRACOM, AS34224:AS-NETERRA-INT, AS47872:AS-CLIENTS, AS61180:AS-PEERS-AMSIX.