AS14310 — SNB-ASN

AS14310 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

Every block this bank announces is registered to its carrier, so the bank's name appears nowhere in the address records.

What it's used for

• A bank's network. 768 addresses across three IPv4 prefixes, with three observed BGP neighbours and no IPv6 announced.

Notable

• 38.121.229.0/24, 38.143.102.0/24 and 38.247.23.0/24 all carry the netname COGENT-A.
• All three are registered to Cogent Communications, LLC, not to the bank.
• The three blocks sit far apart within the same larger range, rather than adjacent.
• Nine addresses were queried for reverse DNS and none returned a name.

Interesting

• Running your own AS number while holding none of your own address space is a specific choice. The number is what lets the bank announce the same addresses through more than one path; the addresses themselves are borrowed and would have to be given back and renumbered if the provider changed. Half the independence, at a fraction of the paperwork.
• A single shared netname across every block means the carrier never subdivided its records, so nothing in the registry connects these addresses to this bank. The only public link between the two is the routing itself.
• Three blocks scattered across the range rather than adjacent is what a provider hands out over years, one at a time, from whatever was free.
• A bank publishing nothing in reverse DNS gives a scanner no way to tell a mail server from a firewall, which is exactly the intent.

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

Announced prefixes

• 38.121.229.0/24
• 38.143.102.0/24
• 38.247.23.0/24

Upstream networks

• AS13335 Cloudflare, Inc.
• AS174 Cogent Communications, LLC
• AS20214 Comcast Cable Communications, LLC

Adjacent networks

• AS13335 Cloudflare, Inc.
• AS174 Cogent Communications, LLC
• AS20214 Comcast Cable Communications, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-CCF, AS-CCF-TEST, AS-TELSTRA-INTL-CUSTOMERS, AS-XO, AS-XO-B, AS13335:AS-CUSTOMERS.