AS13860 — LFG

AS13860 announces 3 IPv4 prefixes covering 17,920 addresses and 0 IPv6 prefixes.

About this network

Twenty-six announcements, every one a piece of the same parent range, every one under one netname.

What it's used for

• An insurance and financial services group's network. 17,920 addresses across 26 IPv4 prefixes, four observed BGP neighbours, and no IPv6 announced.

Notable

• Every prefix begins 148.159, so all 26 are fragments of a single parent range.
• Sizes run from /21 down to /24, cut at irregular boundaries rather than halving evenly.
• All 12 records that answered give netname LNC, three letters, with the same registrant.
• Those records name both an internet systems group and an abuse contact.
• Eighteen addresses were queried for reverse DNS and none returned a name.

Interesting

• Announcing 26 pieces of one range to four upstreams puts 26 entries in every routing table on the internet where one would carry the same traffic. The pieces are not halves and quarters of each other, which rules out a planned splitting scheme and points at internal segments each announced as it was built.
• Three letters as the netname for all of it means the registry cannot distinguish any piece from any other, so the fragmentation visible in routing has no counterpart in the records.
• Naming an abuse contact on every block is the part done properly, and it costs nothing.

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

Announced prefixes

• 148.159.64.0/18
• 148.159.150.0/23
• 148.159.160.0/22

Upstream networks

• AS32787 Akamai Technologies, Inc.
• AS174 Cogent Communications, LLC
• AS19855 Masergy Communications, Inc.

Adjacent networks

• AS32787 Akamai Technologies, Inc.
• AS174 Cogent Communications, LLC
• AS19855 Masergy Communications, Inc.

Routing security

• RPKI: 0 valid, 0 invalid and 26 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 85% of announcements registered; 35 route objects.
• Listed in as-sets: AS-KDDCUSTOMER2, AS-PROLE, AS-TELSTRA-INTL-CUSTOMERS.