asn.dev

Autonomous system

AS32165 BCBSMA

Unclassified ARIN Enterprise

IPv4 addresses 1.79K 6 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 1 recorded by PCH
Upstreams 3 0 downstream
Flagged prefixes 0 none

Summary

Blue Cross and Blue Shield of Massachusetts

United States of America · AI-generated

business healthcare enterprise insurance

The AS handle BCBSMA is operated by Blue Cross and Blue Shield of Massachusetts, Inc.

What it's used for

  • The address space carries internal corporate infrastructure, evidenced by netnames BCBSMA-BLK2 and BCBSMA-COM registered to the insurer.
  • The network announces 1792 IPv4 addresses across 6 prefixes with only 3 observed neighbours, indicating a small, self-contained enterprise estate rather than a transit or access provider.

Notable

  • All registrants for the announced prefixes are Blue Cross and Blue Shield of Massachusetts, Inc., matching the AS holder exactly.
  • The inventory consists of two distinct blocks: a /23 and several /24s in the 216.118.0.0/16 and 216.231.0.0/16 ranges, reflecting a finely subdivided internal corporate 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

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
Boston Internet ExchangeBoston, United States206.108.236.62

Transit providers

3 upstream, 0 downstream and 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS55002F5, Inc.232
AS3356Level 3 Parent, LLC92
AS46887Crown Castle Fiber LLC87

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-10, 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 · 1.79K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America6

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS32165
Registry name
BCBSMA
Registrant
Blue Cross and Blue Shield of Massachusetts, Inc.
Abuse contact
networkgroup@bcbsma.com
Registered
2016-08-30
Last changed
2016-08-30
Allocation
assigned

Declared

PeeringDB profile

self-reported
Name
BCBSMA
Network type
Enterprise
Scope
North America
Traffic ratio
Mostly Outbound
Peering policy
Open
IRR as-set
AS-BCBSMA
Present at
1 exchanges
Facilities
1 facilities
Website
http://www.bluecrossma.com

PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 7 with no ROA
ROAs
0 authorising AS32165
ASPA
no ASPA record
IRR
100% registered · 7 of 7 announcements
Route objects
8 naming AS32165

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: 431 networks and 1,775 prefixes, as published 2026-10-11. 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