ASN Lookup Tool

CIRBN, LLC cirbn.org US US 19 Routes

AS Data

AS62523

AS62523 – CIRBN, LLC

AS Number 62523
AS Name CIRBN-LLC
Organization CIRBN, LLC (cl-214)
Country US
Website cirbn.org
Number of IPv4 Routes 18
Number of IPv6 Routes 1
ASN type BUSINESS
Registry ARIN
Date Allocated 2013-06-21

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Use ASN data for AS62523 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
64.150.64.0/24 256
158.222.16.0/22 1024
76.78.250.0/24 256
216.125.236.0/24 256
216.125.238.0/24 256
2605:b180::/32 ~79×10²⁷
216.125.244.0/23 512
216.125.243.0/24 256
158.222.21.0/24 256
216.125.237.0/24 256
199.38.32.0/20 4096
38.89.244.0/22 1024
216.125.239.0/24 256
158.222.20.0/24 256
162.222.8.0/21 2048
216.124.156.0/22 1024
107.152.0.0/20 4096
158.222.22.0/24 256
216.125.246.0/24 256

Raw Whois Response

#
# 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:       62523
ASName:         CIRBN-LLC
ASHandle:       AS62523
RegDate:        2013-06-21
Updated:        2013-06-21
Ref:            https://rdap.arin.net/registry/autnum/62523


OrgName:        CIRBN, LLC
OrgId:          CL-214
Address:        200 W Front Street
Address:        Suite 500A
City:           Bloomington
StateProv:      IL
PostalCode:     61701
Country:        US
RegDate:        2013-04-08
Updated:        2022-01-04
Ref:            https://rdap.arin.net/registry/entity/CL-214


OrgNOCHandle: CTS22-ARIN
OrgNOCName:   CIRBN Technical Staff
OrgNOCPhone:  +1-309-820-7321 
OrgNOCEmail:  internalsupport@cirbn.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/CTS22-ARIN

OrgAbuseHandle: CAC86-ARIN
OrgAbuseName:   CIRBN Abuse Contact
OrgAbusePhone:  +1-309-820-7321 
OrgAbuseEmail:  abuse@cirbn.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAC86-ARIN

OrgNOCHandle: DLB152-ARIN
OrgNOCName:   Barker, Derek L
OrgNOCPhone:  +1-309-605-0102 
OrgNOCEmail:  dbarker@cirbn.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN

OrgTechHandle: DLB152-ARIN
OrgTechName:   Barker, Derek L
OrgTechPhone:  +1-309-605-0102 
OrgTechEmail:  dbarker@cirbn.org
OrgTechRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN

OrgAbuseHandle: DLB152-ARIN
OrgAbuseName:   Barker, Derek L
OrgAbusePhone:  +1-309-605-0102 
OrgAbuseEmail:  dbarker@cirbn.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN

OrgTechHandle: CTS22-ARIN
OrgTechName:   CIRBN Technical Staff
OrgTechPhone:  +1-309-820-7321 
OrgTechEmail:  internalsupport@cirbn.org
OrgTechRef:    https://rdap.arin.net/registry/entity/CTS22-ARIN

OrgDNSHandle: CTS22-ARIN
OrgDNSName:   CIRBN Technical Staff
OrgDNSPhone:  +1-309-820-7321 
OrgDNSEmail:  internalsupport@cirbn.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/CTS22-ARIN

OrgRoutingHandle: DLB152-ARIN
OrgRoutingName:   Barker, Derek L
OrgRoutingPhone:  +1-309-605-0102 
OrgRoutingEmail:  dbarker@cirbn.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN

OrgDNSHandle: DLB152-ARIN
OrgDNSName:   Barker, Derek L
OrgDNSPhone:  +1-309-605-0102 
OrgDNSEmail:  dbarker@cirbn.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN

OrgRoutingHandle: CTS22-ARIN
OrgRoutingName:   CIRBN Technical Staff
OrgRoutingPhone:  +1-309-820-7321 
OrgRoutingEmail:  internalsupport@cirbn.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CTS22-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.
#

Parsed Whois Response

Peers

AS Number Description Country
AS24482 SG.GS SG
AS399440 Heartland Fiber, Inc. US
AS26875 Heartland Bank and Trust Company US
AS6939 Hurricane Electric LLC US
AS286 GTT Communications Inc. US
AS20473 The Constant Company, LLC US
AS4826 Vocus Connect International Backbone AU
AS10242 US Internet Corp US
AS4775 Globe Telecoms PH
AS14537 Continent 8 LLC US
AS1420 STL OFFICE SOLUTIONS, INC. US
AS199524 G-Core Labs S.A. LU
AS14907 Wikimedia Foundation Inc. US
AS852 TELUS Communications Inc. CA
AS293 ESnet US
AS36236 NetActuate, Inc US
AS53597 Hoyos Consulting LLC US
AS16276 OVH SAS FR
AS19754 The Fusion Network, LLC US
AS23367 Adaptive Data Networks, LLC US
AS40642 ILLINOIS WESLEYAN UNIVERSITY US
AS16552 Tiggee LLC US
AS8220 COLT Technology Services Group Limited GB
AS7386 Illinois State University US
AS1239 Cogent Communications, LLC US
AS32709 Joink, LLC US
AS32590 Valve Corporation US
AS19653 CTS Communications Corp US
AS286 GTT Communications Inc. NL
AS396238 FairlawnGig.net US
AS174 Cogent Communications, LLC US
AS40121 MAXWIRE, INC. US
AS2381 WiscNet US
AS35280 F5 Networks SARL FR
AS1828 Unitas Global US
AS3257 GTT Communications Inc. US
AS53828 NETWORK INNOVATIONS, LLC US
AS137409 GSL Networks Pty LTD AU
AS4181 TDS TELECOM US
AS49544 i3D.net B.V NL

Upstreams

AS Number Description Country
AS8220 COLT Technology Services Group Limited GB
AS6939 Hurricane Electric LLC US
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS174 Cogent Communications, LLC US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS399440 Heartland Fiber, Inc. US
AS26875 Heartland Bank and Trust Company US
AS7386 Illinois State University US
AS40642 ILLINOIS WESLEYAN UNIVERSITY US
AS1420 STL OFFICE SOLUTIONS, INC. US
AS40121 MAXWIRE, INC. US

Contacts

Email Contacts

dbarker@cirbn.org internalsupport@cirbn.org

Abuse Contacts

abuse@cirbn.org

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Frequently Asked Questions

ASN AS62523 is an Autonomous System Number used to identify a network for BGP internet routing.
AS62523 is listed under CIRBN, LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.