asn.dev

Autonomous system

AS46451 NORTHERN-LIGHT-HEALTH

Unclassified ARIN

IPv4 addresses 256 1 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 1 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Northern Light Health

United States of America · AI-generated

healthcare business internal

The AS handle NORTHERN-LIGHT-HEALTH is held by Eastern Maine Healthcare Systems.

What it's used for

  • The space carries internal corporate traffic for a healthcare provider, evidenced by the netname EMHS and registrant Eastern Maine Healthcare Systems.
  • The network announces 256 IPv4 addresses across 1 prefix with 2 observed neighbours, a ratio indicating a small, self-contained internal estate rather than a transit or access network.
  • Traffic from this AS consists of office workers, clinical staff, and internal web/API endpoints for the hospital system.

Notable

  • The registrant Eastern Maine Healthcare Systems agrees with the announcer, confirming the space is owned and operated by the same entity.
  • Eastern Maine Healthcare Systems rebranded as Northern Light Health, which is reflected in the AS handle and secondary sources.
  • The address inventory is a single /24 block, consistent with a single-site or small multi-site corporate deployment.

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
Northern New England Neutral Internet ExchangePortland, ME, United States206.71.140.105

Transit providers

2 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS13536FirstLight Fiber, Inc.65
AS33422New England Telehealth Consortium1

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-28, 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 1 prefixes · 256 addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America1

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS46451
Registry name
NORTHERN-LIGHT-HEALTH
Registrant
Eastern Maine Healthcare Systems
Abuse contact
noc@northernlight.org
Registered
2008-09-23
Last changed
2020-05-26
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 1 with no ROA
ROAs
0 authorising AS46451
ASPA
no ASPA record
IRR
100% registered · 1 of 1 announcements
Route objects
1 naming AS46451

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: 448 networks and 1,851 prefixes, as published 2026-10-29. 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