AS62523 CIRBN, LLC - bgp.he.net

Company Website:

http://www.cirbn.org

Looking Glass:

https://bgp.he.net/lg/62523

Country of Origin:

Internet Exchanges: 2

Prefixes Originated (all): 19
Prefixes Originated (v4): 18
Prefixes Originated (v6): 1

Prefixes Announced (all): 34
Prefixes Announced (v4): 33
Prefixes Announced (v6): 1

RPKI Originated Valid (all): 13
RPKI Originated Valid (v4): 12
RPKI Originated Valid (v6): 1

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 42
BGP Peers Observed (v4): 41
BGP Peers Observed (v6): 20

IPs Originated (v4): 16,640
AS Paths Observed (v4): 1,360
AS Paths Observed (v6): 636

Average AS Path Length (all): 3.518
Average AS Path Length (v4): 3.595
Average AS Path Length (v6): 3.354

AS62523 IPv4 Peers

ASN	Name
AS6939	Hurricane Electric LLC
AS174	Cogent Communications, LLC
AS3257	GTT Communications Inc.
AS137409	GSL Networks Pty LTD
AS25091	IP-Max SA

AS62523 IPv6 Peers

ASN	Name
AS6939	Hurricane Electric LLC
AS137409	GSL Networks Pty LTD

AS62523 IPv4 Peer Count

AS62523 IPv6 Peer Count

AS62523 IPv4 Prefixes Announced

AS62523 IPv6 Prefixes Announced

AS62523 IPv4 Prefixes Originated

AS62523 IPv6 Prefixes Originated

AS62523 IPv4 Route Propagation

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AS62523 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
38.89.244.0/22	Cogent Communications, LLC
64.150.64.0/24	Illinois Century Network
76.78.250.0/24	BOLD-EUREKACOLLEGE (C11169180)
107.152.0.0/20	CIRBN, LLC
158.222.16.0/22	MR Systems Wireless, LLC
158.222.20.0/24	MR Systems Wireless, LLC
158.222.21.0/24	MR Systems Wireless, LLC
158.222.22.0/24	MR Systems Wireless, LLC
162.222.8.0/21	Gridley Communications
199.38.32.0/20	CIRBN, LLC
216.124.156.0/22	Illinois Century Network
216.125.236.0/24	Illinois Century Network
216.125.237.0/24	Illinois Century Network
216.125.238.0/24	Illinois Century Network
216.125.239.0/24	Illinois Century Network
216.125.243.0/24	Illinois Century Network
216.125.244.0/23	Illinois Century Network
216.125.246.0/24	Illinois Century Network

Prefix	Description	Visibility
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Prefix	Description
2605:b180::/32	CIRBN, LLC

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Hurricane Electric LLC	X	AS6939
2	Cogent Communications, LLC		AS174
3	GTT Communications Inc.		AS3257
4	GSL Networks Pty LTD	X	AS137409
5	IP-Max SA	X	AS25091
6	Vocus Connect International Backbone	X	AS4826
7	SG.GS	X	AS24482
8	COLT Technology Services Group Limited	X	AS8220
9	G-Core Labs S.A.		AS199524
10	TELUS Communications Inc.		AS852
11	MAXWIRE, INC.		AS40121
12	Hoyos Consulting LLC	X	AS53597
13	ILLINOIS WESLEYAN UNIVERSITY		AS40642
14	Adaptive Data Networks, LLC	X	AS23367
15	Tiggee LLC	X	AS16552
16	TDS TELECOM	X	AS4181
17	Valve Corporation	X	AS32590
18	CTS Communications Corp	X	AS19653
19	Cogent Communications, LLC		AS1239
20	ESnet		AS293
21	Heartland Bank and Trust Company		AS26875
22	CoreSite	X	AS2734
23	The Fusion Network, LLC	X	AS19754
24	FairlawnGig.net		AS396238
25	GTT Communications Inc.		AS286
26	SHIFT HOSTING LLC		AS394177
27	Illinois State University		AS7386
28	The Constant Company, LLC	X	AS20473
29	Continent 8 LLC		AS14537
30	US Internet Corp		AS10242
31	Wikimedia Foundation Inc.	X	AS14907
32	Heartland Fiber, Inc.		AS399440
33	OVH SAS	X	AS16276
34	STL OFFICE SOLUTIONS, INC.		AS1420
35	NETWORK INNOVATIONS, LLC		AS53828
36	WiscNet		AS2381
37	BroadbandONE, LLC		AS19151
38	F5 Networks SARL		AS35280
39	Joink, LLC		AS32709
40	i3D.net B.V	X	AS49544
41	NetActuate, Inc	X	AS36236

Rank	Description	IPv4	Peer
1	Hurricane Electric LLC	X	AS6939
2	GSL Networks Pty LTD	X	AS137409
3	IP-Max SA	X	AS25091
4	OVH SAS	X	AS16276
5	CoreSite	X	AS2734
6	The Fusion Network, LLC	X	AS19754
7	The Constant Company, LLC	X	AS20473
8	i3D.net B.V	X	AS49544
9	TDS TELECOM	X	AS4181
10	Valve Corporation	X	AS32590
11	SG.GS	X	AS24482
12	CTS Communications Corp	X	AS19653
13	Tiggee LLC	X	AS16552
14	NetActuate, Inc	X	AS36236
15	Unitas Global		AS1828
16	COLT Technology Services Group Limited	X	AS8220
17	Wikimedia Foundation Inc.	X	AS14907
18	Vocus Connect International Backbone	X	AS4826
19	Hoyos Consulting LLC	X	AS53597
20	Adaptive Data Networks, LLC	X	AS23367

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ARIN

aut-num: AS62523 as-name: CIRBN-LLC descr: CIRBN LLC Network import: from AS62590 accept AS62590 import: from AS7386 accept AS7386 import: from AS6325 accept AS6325 import: from AS174 accept AS174 import: from AS6939 accept AS6939 import: from AS399440 accept AS399440 import: from AS24115 accept ANY mp-import: from AS174 accept AS174 mp-import: from AS6939 accept AS6939 mp-import: from AS3257 accept AS3257 mp-import: from AS24115 accept ANY export: to AS62590 announce ANY export: to AS7386 announce ANY export: to AS6325 announce ANY export: to AS174 announce ANY export: to AS6939 announce ANY export: to AS399440 announce ANY export: to AS24115 announce ANY mp-export: to AS174 announce ANY mp-export: to AS6939 announce ANY mp-export: to AS3257 announce ANY mp-export: to AS24115 announce ANY admin-c: CTS22-ARIN tech-c: CTS22-ARIN tech-c: DLB152-ARIN mnt-by: MNT-CL-214 created: 2026-07-09T12:24:12Z last-modified: 2026-07-09T12:24:12Z source: ARIN

Exchange	CC	City	IPv4	IPv6
DE-CIX Chicago	US	Chicago	149.112.11.91	2001:504:102::f43b:0:1
Equinix Chicago	US	Chicago	208.115.136.59	2001:504:0:4:0:6:2523:1

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