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AS17166 Travelers Property Casualty Corp.

TRAVELERSPCAS - Travelers Property Casualty Corp. · registered in the United States

IPv4 addresses53,50453 prefixes · 0.002% of announced IPv4
Rank in United States#1,463largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#3,815of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS17166 in ASN lookup Look up an IP in this network (12.163.16.1) All networks in United States

IPv4 prefixes

All 53 prefixes, in address order.

  • 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
  • 170.202.216.0/22
  • 170.202.220.0/23
  • 170.202.222.0/24
  • 170.202.223.0/24
  • 170.202.224.0/21
  • 170.202.232.0/23
  • 170.202.234.0/23
  • 170.202.236.0/22
  • 170.202.240.0/23
  • 170.202.242.0/23
  • 170.202.244.0/22
  • 170.202.248.0/21

Other ASNs named Travelers Property Casualty Corp.

3 other networks use the same organisation name; together with AS17166 they announce 69,888 IPv4 addresses.

ASNNameIPv4 addresses
AS23381TRAVELERS - Travelers Property Casualty Corp. US7,680
AS395180TRAVELERSPCAS3 - Travelers Property Casualty Corp. US7,424
AS25602TRAVELERSPCAS2 - Travelers Property Casualty Corp. US1,280

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ASNNameIPv4 addresses
AS22611#1460 INMOTION - InMotion Hosting, Inc.53,760
AS7341#1461 VELOCITY - Velocity Network, Inc.53,504
AS397373#1462 H4Y-TECHNOLOGIES - H4Y Technologies LLC53,504
AS13576#1464 SDNW-13576 - SDN Communications53,248
AS13485#1465 GCU - Grand Canyon University53,248
AS14155#1466 RURAL-TELEPHONE-SVCCO - Rural Telephone Service Co, Inc.52,736

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources