AS Number
AS62523
AS Name
CIRBN-LLC
Org Name
CIRBN, LLC
Country / Region
United States
Registry

arin

RegDate

2013-04-08

Updated

2022-01-04

AS62523 Looking Glass
IPv4Prefixes

18

IPv6Prefixes

1

IPv4 NUMs

16,640

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
38.89.244.0/22
IRR Valid
Cogent Communications, LLC 1024
64.150.64.0/24
IRR Valid
Illinois Century Network 256
76.78.250.0/24
IRR InValid
BOLD-EUREKACOLLEGE 256
107.152.0.0/20
IRR Valid
CIRBN, LLC 4096
158.222.16.0/22
IRR Valid
MR Systems Wireless, LLC 1024
158.222.20.0/24
IRR Parent Valid
MR Systems Wireless, LLC 256
158.222.21.0/24
IRR Parent Valid
MR Systems Wireless, LLC 256
158.222.22.0/24
IRR Parent Valid
MR Systems Wireless, LLC 256
162.222.8.0/21
IRR Valid
Gridley Communications 2048
199.38.32.0/20
CIRBN, LLC 4096
216.124.156.0/22
IRR Valid
Illinois Century Network 1024
216.125.236.0/24
IRR Valid
Illinois Century Network 256
216.125.237.0/24
IRR Valid
Illinois Century Network 256
216.125.238.0/24
IRR Valid
Illinois Century Network 256
216.125.239.0/24
IRR Valid
Illinois Century Network 256
216.125.243.0/24
IRR Valid
Illinois Century Network 256
216.125.244.0/23
IRR Valid
Illinois Century Network 512
216.125.246.0/24
IRR Valid
Illinois Century Network 256
CIDR Description IP NUMs(prefix /64)
2605:b180::/32
CIRBN, LLC 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 139,264 77,423,378,434 IPv4 IPv4 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,211,200 215,834,689,537 IPv4 IPv4
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 331,776 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS16552 DIGICERT - Tiggee LLC, US United States 21,248 34,363,801,600 IPv4 IPv4 IPv6 IPv6
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 126,720 118,226,945 IPv4 IPv4
AS852 ASN852 - TELUS Communications Inc., CA Canada 4,849,664 12,907,118,592 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS2734 CORESITE, US United States 48,896 7,248,347,136 IPv4 IPv4 IPv6 IPv6
AS32709 1-JOINK - Joink, LLC, US United States 45,056 4,294,967,296 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 455,680 283,043,982,540,800 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,088 25,770,590,208 IPv4 IPv4 IPv6 IPv6
AS14016 CAPCON-NETWORK-LLC - Capcon Networks, US United States 2,048 262,144 IPv4 IPv4
AS19151 BBO-1 - BroadbandONE, LLC, US United States 63,232 0 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS26875 HBT-AS-01 - Heartland Bank and Trust Company, US United States 256 0 IPv4 IPv4
AS40121 MAXWIRE-001 - MAXWIRE, INC., US United States 2,048 0 IPv4 IPv4
AS40642 IWU-2017-01 - ILLINOIS WESLEYAN UNIVERSITY, US United States 256 0 IPv4 IPv4
AS399440 AS-HEARTLANDFIBER - Heartland Fiber, Inc., US United States 3,328 4,294,967,296 IPv4 IPv4
AS1420 STL-C9D - STL OFFICE SOLUTIONS, INC., US United States 1,024 0 IPv4 IPv4
AS7386 ILLINOIS-STATE-UNIV - Illinois State University, US United States 65,536 0 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
United States Equinix Chicago - Equinix Internet Exchange Chicago 208.115.136.59 2001:504:0:4:0:6:2523:1 10 Gbps 2026-07-08 14:57:32
United States DE-CIX Chicago 149.112.11.91 2001:504:102::f43b:0:1 20 Gbps 2026-08-05 22:59:27

Private Peering Facilities

Country / Region Name City Website Updated
Equinix CH1/CH2/CH4 - Chicago Chicago http://www.equinix.com/ 2024-06-06 17:44:33
Northwestern University co-location facility Chicago http://www.startap.net/starlight/ENGINEERING/network_operations.html 2016-03-14 20:48:02
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


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

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

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

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

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: CTS22-ARIN
OrgRoutingName:   CIRBN Technical Staff
OrgRoutingPhone:  +1-309-820-7321 
OrgRoutingEmail:  internalsupport@cirbn.org
OrgRoutingRef:    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

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