asn.dev

Autonomous system

AS22575 MASSMUTUAL2

Unclassified ARIN

IPv4 addresses 8.70K 6 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 4 0 downstream
Flagged prefixes 0 none

Summary

Massachusetts Mutual Life Insurance Company

United States of America · AI-generated

business corporate insurance

The AS handle MASSMUTUAL2 is operated by Massachusetts Mutual Life Insurance Company.

What it's used for

  • The address space carries corporate infrastructure, evidenced by netnames MMLIC-CT and ATT-NET-12-189-182-0-23 registered to the insurance company.
  • The AS announces 8704 IPv4 addresses across 2 prefixes with only 2 observed neighbours, indicating an internal corporate estate rather than a transit or access network.

Notable

  • Registrants for both prefixes align with the announcer, listing "Massachusetts Mutual Life Insurance Co." and "Massachusetts Mutual Life Insurance Company".
  • The inventory consists of two distinct blocks: a /19 (170.6.0.0/19) and a /23 (12.189.182.0/23), representing a finely subdivided internal network.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

4 upstream, 0 downstream and 4 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS32787Akamai Technologies, Inc.244
AS62CyrusOne LLC60
AS7018AT&T Enterprises, LLC39
AS7015Comcast Cable Communications, LLC20

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-30, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 6 prefixes · 8.70K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America6

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS22575
Registry name
MASSMUTUAL2
Registrant
Massachusetts Mutual Life Insurance Company
Abuse contact
networkengineering@massmutual.com
Registered
2001-10-16
Last changed
2012-03-20
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
83% valid · 5 valid, 1 with no ROA
ROAs
1 authorising AS22575
ASPA
no ASPA record
IRR
100% registered · 6 of 6 announcements
Route objects
17 naming AS22575

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 447 networks and 1,848 prefixes, as published 2026-10-31. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check