Autonomous system
AS16623 AHS
Unclassified ARIN
Summary
Alberta Health Services
government enterprise infrastructure
One name in eighteen answers, and it belongs to a different health organisation.
What it's used for
- A provincial health authority's network. Six IPv4 prefixes announced from Canada, no IPv6, one hundred and thirty-two thousand six hundred and eight addresses, through three observed BGP neighbours.
Notable
- Two blocks are enormous and the rest are small, so almost the entire announcement sits inside a single pair of allocations.
- Four blocks are registered to the holder under netnames built from the word for a network plus part of the address, at three different depths: two parts, three parts, and one that names a range of two values where the block covers only one of them.
- Two blocks are registered not to the holder but to the regional address registry itself, sharing a netname of that word and a single number.
- One block's registrant field carries two roles in capitals, abuse and technical, beside the organisation.
- One of eighteen queried addresses answered: three letters on a different health organisation's domain.
Interesting
- Registry-held blocks inside a working network are old space that was never reassigned. They route fine and belong, on paper, to nobody who operates them.
- A netname describing a wider range than its block is a label written for the allocation that was planned rather than the one that arrived.
- Another organisation's domain answering here is the shape of a merged health system: the routing consolidated long before the naming did.
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
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-15, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 6 prefixes · 133K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| CA | Canada | 6 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS16623- Registry name
- AHS
- Registrant
- Alberta Health Services
- Abuse contact
- rms@ahs.ca
- Registered
- 2005-06-28
- Last changed
- 2016-09-12
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 100% valid · 8 valid, 0 with no ROA
- ROAs
- 8 authorising AS16623
- ASPA
- no ASPA record
- IRR
- 100% registered · 8 of 8 announcements
- Route objects
- 8 naming AS16623
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: 442 networks and 1,781 prefixes, as published 2026-10-16. 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