HTTPfy

AS22575 Massachusetts Mutual Life Insurance Company

MASSMUTUAL2 - Massachusetts Mutual Life Insurance Company · registered in the United States

IPv4 addresses8,7046 prefixes · <0.001% of announced IPv4
Rank in United States#3,169largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#9,941of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 6 prefixes, in address order.

  • 12.189.182.0/23
  • 170.6.0.0/20
  • 170.6.16.0/23
  • 170.6.18.0/23
  • 170.6.20.0/22
  • 170.6.24.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses
AS19999#3166 UNIONASN - Union College8,704
AS20392#3167 WESTPANET - WestPAnet, Inc.8,704
AS21541#3168 101NETLINK - 101Netlink8,704
AS30088#3170 GC-852-30088 - GTHost8,704
AS30136#3171 AD12 - Adams 128,704
AS30481#3172 CITIZENS-ISP - Citizens Telecommunication Technologies, Inc8,704

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