AS17166 — TRAVELERSPCAS

AS17166 announces 43 IPv4 prefixes covering 53,504 addresses and 0 IPv6 prefixes.

About this network

The AS handle TRAVELERSPCAS is held by Travelers Property Casualty Corp., a major US insurance company.

What it's used for

• The address space is an internal corporate estate, with netnames like STA-170 and THE-TRAV922-16 registered to The St. Paul Travelers Companies, Inc. and The Travelers Indemnity Company.
• The AS announces 55040 IPv4 addresses across 56 prefixes while maintaining only 2 observed neighbours, a ratio that indicates a self-contained corporate network rather than a transit or access provider.

Notable

• Registrants align with the announcer, showing The St. Paul Travelers Companies, Inc. for the majority of prefixes and The Travelers Indemnity Company for the 12.163.16.0/21 block.
• The inventory consists of finely subdivided blocks, including multiple /20, /21, /22, and /23 prefixes, reflecting site-by-site segmentation typical of a large enterprise.

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

Announced prefixes

• 12.163.16.0/21
• 71.4.224.0/24
• 170.202.0.0/20
• 170.202.16.0/22
• 170.202.20.0/23
• 170.202.23.0/24
• 170.202.24.0/24
• 170.202.27.0/24
• 170.202.28.0/22
• 170.202.32.0/20
• 170.202.48.0/22
• 170.202.52.0/24
• 170.202.54.0/23
• 170.202.56.0/21
• 170.202.68.0/22
• 170.202.73.0/24
• 170.202.74.0/23
• 170.202.76.0/23
• 170.202.79.0/24
• 170.202.81.0/24
• 170.202.82.0/23
• 170.202.84.0/23
• 170.202.96.0/20
• 170.202.112.0/23
• 170.202.115.0/24
• 170.202.116.0/22
• 170.202.120.0/23
• 170.202.123.0/24
• 170.202.124.0/22
• 170.202.128.0/20
• 170.202.160.0/20
• 170.202.176.0/24
• 170.202.178.0/23
• 170.202.180.0/23
• 170.202.186.0/24
• 170.202.190.0/24
• 170.202.192.0/21
• 170.202.201.0/24
• 170.202.202.0/24
• 170.202.204.0/23
• 170.202.212.0/22
• 170.202.216.0/21
• 170.202.224.0/19

Upstream networks

• AS701 Verizon Business
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS701 Verizon Business
• AS3356 Level 3 Parent, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 30 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-CTBC-CUSTOMERS64, AS-XO, AS-XO-B.