asn.dev

Autonomous system

AS25808 CONCORD-MA - Town of Concord MA

Unclassified ARIN

IPv4 addresses 3.33K 9 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 3 0 downstream
Flagged prefixes 0 none

Summary

Town of Concord MA

United States of America · AI-generated

municipal broadband government access

The AS handle CONCORD-MA is operated by the Town of Concord MA.

What it's used for

  • The address space carries municipal broadband infrastructure, evidenced by netnames CONCORD-LIGHT-BROADBAND and DSCI-199-125-66-0 registered to the Town of Concord.
  • The network announces 3328 IPv4 addresses across 9 prefixes with only 3 observed neighbours, a ratio indicative of an access or eyeball network rather than a transit provider.

Notable

  • Registrants are mixed: Cogent Communications, LLC holds the largest block 38.242.8.0/22 and two /24s, while CMLP holds two /24s with netnames CVNET-2F137600 and CVNET-944C7400.
  • The reverse DNS sample shows PTR records pointing to cst.lightpath.net, indicating the use of Lightpath network services for the 148.76.116.0/24 block.
  • The inventory includes a mix of leased space from Cogent and CMLP alongside blocks directly registered to the town, suggesting a hybrid infrastructure model.

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
AS54004Cablevision Lightpath LLC500
AS46887Crown Castle Fiber LLC208
AS174Cogent Communications, LLC109

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-11, 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 9 prefixes · 3.33K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America9

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS25808
Registry name
CONCORD-MA
Registrant
Town of Concord MA
Abuse contact
abuse@concordma.gov
Registered
2013-08-20
Last changed
2013-08-20
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
15% valid · 2 valid, 11 with no ROA
ROAs
2 authorising AS25808
ASPA
no ASPA record
IRR
100% registered · 13 of 13 announcements
Route objects
8 naming AS25808

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: 453 networks and 1,846 prefixes, as published 2026-11-11. 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