asn.dev

Autonomous system

AS62968 AS-CMC

Unclassified RIPE

IPv4 addresses 1.02K 3 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Central Michigan Communication, Co.

United States of America · AI-generated

residential dsl legacy isp

AS-CMC is operated by Central Michigan Communication, Co.

What it's used for

  • The address space carries residential DSL traffic, evidenced by reverse DNS entries such as blan-dsl-128-144-133-67.power-net.net and blan-dsl-190-146-133-67.power-net.net.
  • The AS announces 1024 IPv4 addresses across 3 prefixes with only 2 observed neighbours, a ratio indicative of an access network serving local subscribers rather than a transit provider.
  • Traffic consists of subscriber eyeballs connected via legacy DSL infrastructure in the Central Michigan region.

Notable

  • Registrants for all announced prefixes are listed as CenturyLink Communications, LLC with the netname CENTURYLINK-LEGACY-QWEST-INET-11, indicating the address space was originally allocated to Qwest and later transferred through CenturyLink.
  • The address inventory is a contiguous block of 1024 addresses split into one /23 and two /24 prefixes, all within the 67.133.144.0/22 range.

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

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

ASNetworkPaths seen
AS26271CMSInter.net LLC102
AS17143Winn Telecom26

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-26, 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 3 prefixes · 1.02K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America3

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS62968
Registry name
AS-CMC
Registrant
Central Michigan Communication, Co.
Abuse contact
abuse@blanchardtel.com
Registered
2013-12-09
Last changed
2013-12-09
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 2 with no ROA
ROAs
0 authorising AS62968
ASPA
no ASPA record
IRR
100% registered · 2 of 2 announcements
Route objects
5 naming AS62968

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: 445 networks and 1,817 prefixes, as published 2026-10-27. 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