US
AS26271
CMSINTERNET
CMSInter.net LLC · cmsinter.net
US ARIN Cable/DSL/ISP Traffic20-50Gbps RatioHeavy Inbound Peering PolicyOpen ScopeRegional IRRARIN::AS26271:AS-CMSC
13
IPv4 Prefixes
2
IPv6 Prefixes
···
Peers
···
Upstream
···
Downstream
2
IX Points
3
Facilities
100%
RPKI Valid Rate
IP Purity Address-space quality
Assessing the address space...
Network Topology Upstream/Downstream Data Source: RIPE Stat
Loading topology data...
Announced IP Prefixes 15
RPKI Valid 15 RPKI Invalid 0 Unsigned / Unknown 0 Sampled 15 / 15

IPv4 Prefixes 13

162.250.24.0/21107.161.128.0/20207.241.128.0/22207.241.136.0/22207.241.140.0/24162.249.112.0/22107.181.192.0/19207.241.142.0/23207.241.132.0/2364.25.192.0/20207.241.141.0/24207.241.134.0/23138.229.32.0/19

IPv6 Prefixes 2

2606:e400::/342606:e400:8000::/36
Facilities 3 Click a point on the map to locate a facility
NameCityCountry
Equinix CH1/CH2/CH4 - ChicagoChicagoUS
123.NET - DC1 - 24700 Northwestern Hwy.SouthfieldUS
CMS Internet - DC1 - Mount Pleasant MIMount PleasantUS
Colocated Networks 30 Shared Data Center
ASNNameType Shared Facility
AS402062 AUTOMATION EXCHANGE 2/3
AS396905 HomeWorks Connect Cable/DSL/ISP 2/3
AS393950 Xiber LLC Cable/DSL/ISP 2/3
AS32934 Meta Content 2/3
AS32261 Subspace 2/3
AS30600 Cinergy Metronet Cable/DSL/ISP 2/3
AS26479 Point Broadband Fiber Holding, LLC Cable/DSL/ISP 2/3
AS22822 Edgio - AS22822 Content 2/3
AS22438 Clear Rate Communications Cable/DSL/ISP 2/3
AS19551 Thales/Imperva Content 2/3
AS19310 Casair Cable/DSL/ISP 2/3
AS13490 Buckeye Cablevision Cable/DSL/ISP 2/3
AS13428 Surf Air Wireless AS13428 Cable/DSL/ISP 2/3
AS13335 Cloudflare Content 2/3
AS13150 Cato Networks 2/3
AS12129 123NET NSP 2/3
AS10423 STELLAR Broadband Cable/DSL/ISP 2/3
AS6939 Hurricane Electric NSP 2/3
AS6461 Zayo NSP 2/3
AS3257 GTT Communications (AS3257) NSP 2/3
Registration Info
AS Name
CMSINTERNET
Organization
MNT-CMSI autnum AS26271
Country/Region
US
Registration Date
2020-06-16T20:14:22Z
Update Date
2022-04-22T20:41:04Z
Raw Whois Data 
aut-num:        AS26271
as-name:        CMSINTERNET
member-of:      AS26271:AS-CMSC,AS26271:AS-CMS
mp-import:      from AS26271:AS-TRANSIT accept ANY except FLTR-BOGONS
mp-export:      to AS6939 announce AS26271:AS-CMSC
mp-export:      to AS174 announce AS26271:AS-CMSC
descr:          MNT-CMSI autnum AS26271
admin-c:        GRAHA9-ARIN
tech-c:         GRAHA9-ARIN
tech-c:         NOC33459-ARIN
mnt-by:         MNT-CMSI
created:        2020-06-16T20:14:22Z
last-modified:  2022-04-22T20:41:04Z
source:         ARIN




--- ARIN Whois ---


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       26271
ASName:         CMSINTERNET
ASHandle:       AS26271
RegDate:        2002-08-09
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/26271


OrgName:        CMSInter.net LLC
OrgId:          CMSI
Address:        131 S. Main St.
City:           Mount Pleasant
StateProv:      MI
PostalCode:     48858
Country:        US
RegDate:        1999-04-09
Updated:        2024-11-25
Comment:        http://geofeed.cmsinter.net/geofeed.csv
Ref:            https://rdap.arin.net/registry/entity/CMSI


OrgNOCHandle: NOC33459-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-989-400-4888 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC33459-ARIN

OrgAbuseHandle: ABUSE2784-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-800-962-7022 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2784-ARIN

OrgTechHandle: GRAHA9-ARIN
OrgTechName:   Graham, Daniel 
OrgTechPhone:  +1-989-400-4229 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/GRAHA9-ARIN

OrgTechHandle: NOC33459-ARIN
OrgTechName:   NOC
OrgTechPhone:  +1-989-400-4888 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC33459-ARIN

OrgNOCHandle: GRAHA9-ARIN
OrgNOCName:   Graham, Daniel 
OrgNOCPhone:  +1-989-400-4229 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/GRAHA9-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Related Tools

Whois
View registration & expiry info