AS25070 — COMARCH-AS Comarch S.A.

AS25070 announces 13 IPv4 prefixes covering 6,400 addresses and 1 IPv6 prefixes.

About this network

COMARCH-AS is operated by Comarch S.A., a major Polish IT services and software company.

What it's used for

• The address space carries corporate and cloud infrastructure, evidenced by netnames such as PL-Comarch-Cloud-01, PL-Comarch-Cloud-03, and COMARCH-NET.
• The AS announces 6,400 IPv4 addresses across 13 prefixes and 1 IPv6 prefix, with only 4 observed neighbours, indicating a self-contained internal corporate estate rather than a transit or access network.

Notable

• Most registrants align with the announcer, listing Comarch S.A., though some prefixes like 81.15.246.0/24 and 195.136.174.0/24 list ABUSE EXATEL and 91.236.193.0/24 lists KPN B.V., suggesting leased or historically acquired space.
• The inventory consists of a mix of /22 and /24 blocks, with the largest being 88.135.188.0/22, 91.201.152.0/22, 193.201.136.0/22, and 195.69.208.0/22.

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

Announced prefixes

• 81.15.246.0/24
• 88.135.188.0/22
• 91.201.152.0/22
• 91.236.193.0/24
• 109.197.33.0/24
• 109.197.34.0/24
• 109.197.38.0/24
• 193.56.68.0/24
• 193.56.70.0/24
• 193.201.136.0/22
• 195.69.208.0/22
• 195.136.174.0/24
• 213.199.213.0/24
• 2001:678:504::/48

Upstream networks

• AS20804 Exatel S.A.
• AS12741 Netia SA
• AS3356 Level 3 Parent, LLC

Downstream networks

• AS44501 ITSOFT sp. z o. o. sp. k.

Adjacent networks

• AS12741 Netia SA
• AS20804 Exatel S.A.
• AS3356 Level 3 Parent, LLC
• AS44501 ITSOFT sp. z o. o. sp. k.

Routing security

• RPKI: 9 valid, 0 invalid and 13 not-found announcements; 13 ROAs.
• ASPA: none published.
• IRR: 91% of announcements registered; 28 route objects.
• Listed in as-sets: AS-COMARCH-PL, AS-EXATEL-INT, AS-EXATEL-PL, AS-INCAPSULA, AS-INCAPSULA, AS-IPARTNERS, AS-KDDCUSTOMER2, AS-NETIA, AS-NETIA-MSK-IX, AS-NETIA-PEERING, AS-SET-COMARCH, AS198949:AS-SD, AS24748:AS-IX, AS24748:AS-THINX, AS5617:AS-INTERIA, AS5617:AS-PL, AS8246:AS-TPNET.