AS17390 — CIO-ORGANIZATION

AS17390 announces 10 IPv4 prefixes covering 7,680 addresses and 11 IPv6 prefixes.

About this network

The AS handle CIO-ORGANIZATION is held by IBM.

What it's used for

• The address space carries corporate infrastructure, with netnames explicitly labeled IBM-COMMERCIAL, IBM-RSCH-NET1, and IBMPOP-MUMBAI.
• The inventory consists of 7,680 IPv4 addresses across 10 prefixes and 56 IPv6 prefixes, observed against only 2 neighbours, indicating a self-contained internal corporate estate rather than a transit or access network.

Notable

• Registrants align with the announcer, listing IBM; Org Abuse for most blocks and IBM-1-Z for the Mumbai POP prefixes.
• The address inventory is finely subdivided into multiple /22, /23, and /24 blocks, reflecting site-by-site segmentation typical of a large multinational enterprise.

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

Announced prefixes

• 129.41.8.0/24
• 129.41.46.0/23
• 129.41.56.0/22
• 129.41.86.0/23
• 170.224.144.0/21
• 170.224.152.0/24
• 170.225.116.0/22
• 170.225.122.0/23
• 170.225.126.0/23
• 192.148.16.0/22
• 2620:1f7:100::/40
• 2620:1f7:200::/40
• 2620:1f7:500::/40
• 2620:1f7:700::/46
• 2620:1f7:800::/37
• 2620:1f7:1000::/36
• 2620:1f7:2800::/37
• 2620:1f7:3800::/38
• 2620:1f7:3d00::/40
• 2620:1f7:c030::/48
• 2620:1f7:c040::/48

Upstream networks

• AS36351 IBM Cloud
• AS9498 BHARTI Airtel Ltd.

Adjacent networks

• AS36351 IBM Cloud
• AS9498 BHARTI Airtel Ltd.