asn.dev

Autonomous system

AS26297 HCGOV

Unclassified ARIN

IPv4 addresses 4.42K 6 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 3 0 downstream
Flagged prefixes 2 see address space

Summary

Howard County, Maryland

United States of America · AI-generated

government municipal network

The AS handle HCGOV is held by Howard County, Maryland.

What it's used for

  • The address space carries municipal government infrastructure, evidenced by the reverse DNS entry host-165-140-214-254.howardcountymd.net and netnames such as HOCO-DIRECT-ALLO-1 and HCGOV-188.
  • The AS announces 4352 IPv4 addresses across 4 prefixes while maintaining only 3 observed neighbours, a ratio that indicates a local access or internal corporate estate rather than a transit provider.

Notable

  • Registrants vary across the inventory, including the State of Maryland for NETWORKMARYLAND, Howard County, Maryland for HOCO-DIRECT-ALLO-1 and HCGOV-188, and Carroll Hospital Center, Inc. for CCGH-2.
  • The address inventory is a mix of county-owned space and blocks associated with state-level or specific institutional entities like Carroll Hospital Center.

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

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

ASNetworkPaths seen
AS27026networkMaryland237
AS6939Hurricane Electric LLC67
AS6461Zayo Bandwidth2

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-25, 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 · 4.42K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America6

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS26297
Registry name
HCGOV
Registrant
Howard County, Maryland
Abuse contact
abuse-bb@howardcountymd.gov
Registered
2014-01-30
Last changed
2025-10-27
Allocation
assigned

Declared

PeeringDB profile

self-reported
Name
HCGOV
Scope
Not Disclosed
Traffic ratio
Not Disclosed
Peering policy
Open
IRR as-set
RS-HOCO

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, 5 with no ROA 2 RPKI-invalid
ROAs
0 authorising AS26297
ASPA
no ASPA record
IRR
71% registered · 5 of 7 announcements
Route objects
26 naming AS26297

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: 443 networks and 1,779 prefixes, as published 2026-10-24. 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