AS27989 — AS27989 - BANCOLOMBIA S.A

AS27989 announces 6 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

The AS handle BANCOLOMBIA S.A is held by Bancolombia S.A.

What it's used for

• The address space carries corporate infrastructure for a major Colombian financial institution, with netnames like 201.221.124.0 - 201.221.125.255 and 179.0.27.0 - 179.0.27.255 directly registered to the bank.
• The inventory consists of 6 IPv4 prefixes totaling 1792 addresses, observed against only 3 routing neighbours, indicating a small, self-contained corporate estate rather than a transit or access network.

Notable

• Registrants are mixed; while three prefixes are registered to BANCOLOMBIA S.A, others belong to admin-ipbroker; Liberty Networks de Colombia, CTL Colombia, and BANISTMO S.A, suggesting leased space or post-acquisition holdings.
• Bancolombia S.A. was formerly known as Banco de Colombia, a full-service financial institution operating in Colombia, Panama, and Puerto Rico.
• The address inventory is finely subdivided into six distinct /24 and /23 blocks, consistent with site-by-site segmentation for a large enterprise.

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

Announced prefixes

• 2.59.193.0/24
• 64.76.212.0/24
• 179.0.27.0/24
• 200.1.175.0/24
• 201.131.49.0/24
• 201.221.124.0/23

Upstream networks

• AS3549 Level 3 Parent, LLC
• AS19551 Incapsula Inc
• AS262191 LIBERTY NETWORKS DE COLOMBIA S.A.S

Adjacent networks

• AS3549 Level 3 Parent, LLC
• AS19551 Incapsula Inc
• AS262191 LIBERTY NETWORKS DE COLOMBIA S.A.S

Routing security

• RPKI: 8 valid, 0 invalid and 0 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 75% of announcements registered; 8 route objects.
• Listed in as-sets: AS-19429, AS-E1-AUTOMATION-CUSTOMER, AS-INCAPSULA, AS-INCAPSULA, AS-NWN-TRANSIT, AS-TELSTRA-INTL-CUSTOMERS, AS-UDOS, AS-UNE-TRANSIT, AS14080:AS-CLARO, AS19429:AS-CUSTOMERS, AS198949:AS-SD, AS262206:AS-PAN, AS3491:AS-CUSTOMERS-NA.