AS6325 Illinois Century Network

Company Website:

https://icn.illinois.gov/

Looking Glass:

https://bgp.he.net/lg/6325

Country of Origin:

Internet Exchanges: 1

Prefixes Originated (all): 65
Prefixes Originated (v4): 60
Prefixes Originated (v6): 5

Prefixes Announced (all): 108
Prefixes Announced (v4): 103
Prefixes Announced (v6): 5

RPKI Originated Valid (all): 60
RPKI Originated Valid (v4): 55
RPKI Originated Valid (v6): 5

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

BGP Peers Observed (all): 116
BGP Peers Observed (v4): 116
BGP Peers Observed (v6): 17

IPs Originated (v4): 753,664
AS Paths Observed (v4): 3,056
AS Paths Observed (v6): 776

Average AS Path Length (all): 3.939
Average AS Path Length (v4): 4.082
Average AS Path Length (v6): 3.372

AS6325 IPv4 Peers

ASN	Name
AS6461	Zayo Bandwidth
AS22335	Metropolitan Research and Education Network
AS6939	Hurricane Electric LLC
AS174	Cogent Communications, LLC
AS7018	AT&T Enterprises, LLC
AS13335	Cloudflare, Inc.
AS1239	Cogent Communications, LLC

AS6325 IPv6 Peers

ASN	Name
AS6939	Hurricane Electric LLC
AS174	Cogent Communications, LLC

AS6325 IPv4 Peer Count

AS6325 IPv6 Peer Count

AS6325 IPv4 Prefixes Announced

AS6325 IPv6 Prefixes Announced

AS6325 IPv4 Prefixes Originated

AS6325 IPv6 Prefixes Originated

AS6325 IPv4 Route Propagation

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AS6325 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
64.107.0.0/16	Illinois Century Network
64.107.0.0/17	Illinois Century Network
64.107.0.0/18	Illinois Century Network
64.107.64.0/18	Illinois Century Network
64.107.128.0/17	Illinois Century Network
64.107.128.0/18	Illinois Century Network
64.107.192.0/18	Illinois Century Network
64.150.0.0/17	Illinois Century Network
65.79.0.0/17	Illinois Century Network
66.99.0.0/16	Illinois Century Network
66.99.0.0/17	Illinois Century Network
66.99.0.0/18	Illinois Century Network
66.99.64.0/18	Illinois Century Network
66.99.128.0/17	Illinois Century Network
66.99.128.0/18	Illinois Century Network
66.99.192.0/18	Illinois Century Network
66.158.0.0/17	Illinois Century Network
66.158.15.0/24	Illinois Century Network
72.3.0.0/17	Illinois Dept of Innovation and Technology
163.191.0.0/17	State of Illinois
163.191.128.0/17	State of Illinois
163.191.188.0/23	State of Illinois
163.191.192.0/19	State of Illinois
163.191.224.0/19	State of Illinois
206.166.0.0/17	Illinois Century Network
206.166.0.0/18	Illinois Century Network
206.166.64.0/18	Illinois Century Network
207.63.0.0/16	Illinois Century Network
207.63.0.0/17	Illinois Century Network
207.63.0.0/18	Illinois Century Network
207.63.64.0/18	Illinois Century Network
207.63.128.0/17	Illinois Century Network
207.63.128.0/18	Illinois Century Network
207.63.192.0/18	Illinois Century Network
209.7.0.0/16	Illinois Century Network
209.7.0.0/17	Illinois Century Network
209.7.0.0/18	Illinois Century Network
209.7.64.0/18	Illinois Century Network
209.7.128.0/17	Illinois Century Network
209.7.128.0/18	Illinois Century Network
209.7.192.0/18	Illinois Century Network
209.174.0.0/16	Illinois Century Network
209.174.0.0/17	Illinois Century Network
209.174.128.0/17	Illinois Century Network
209.175.0.0/16	Illinois Century Network
209.175.0.0/17	Illinois Century Network
209.175.0.0/18	Illinois Century Network
209.175.64.0/18	Illinois Century Network
209.175.128.0/17	Illinois Century Network
209.175.128.0/18	Illinois Century Network
209.175.192.0/18	Illinois Century Network
216.124.0.0/16	Illinois Century Network
216.124.0.0/17	Illinois Century Network
216.124.128.0/17	Illinois Century Network
216.124.128.0/18	Illinois Century Network
216.124.192.0/18	Illinois Century Network
216.125.0.0/16	Illinois Century Network
216.125.0.0/17	Illinois Century Network
216.125.128.0/17	Illinois Century Network
216.125.192.0/18	Illinois Century Network

Prefix	Description	Visibility
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Prefix	Description
2001:1848::/32	Illinois Century Network
2001:1848:1000::/36	Illinois Century Network
2001:1848:4000::/34	Illinois Century Network
2001:1848:8000::/34	Illinois Century Network
2001:1848:c000::/34	Illinois Century Network

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Zayo Bandwidth	X	AS6461
2	Metropolitan Research and Education Network	X	AS22335
3	Hurricane Electric LLC	X	AS6939
4	Cogent Communications, LLC	X	AS174
5	AT&T Enterprises, LLC	X	AS7018
6	Cloudflare, Inc.	X	AS13335
7	Cogent Communications, LLC		AS1239
8	Unitas Global	X	AS1828
9	Cablevision Systems Corp.		AS6128
10	Shaw Communications		AS6327
11	OVH SAS	X	AS16276
12	123.Net, Inc.		AS12129
13	Amazon.com, Inc.		AS16509
14	US Signal Company, L.L.C.		AS26554
15	Airstream Communications, LLC		AS11796
16	Atlantic Metro Communications II, Inc.		AS29838
17	WiscNet		AS2381
18	Equinix (EMEA) Acquisition Enterprises B.V.		AS15830
19	The Fusion Network, LLC	X	AS19754
20	BroadbandONE, LLC		AS19151
21	Taiwan Internet Gateway		AS9505
22	i3D.net B.V	X	AS49544
23	Expedient		AS17054
24	US Internet Corp		AS10242
25	Google LLC		AS15169
26	NETWORK INNOVATIONS, LLC	X	AS53828
27	Yahoo Holdings Inc.		AS10310
28	Hoyos Consulting LLC	X	AS53597
29	Metro Communications Company, Inc.		AS53610
30	TierPoint, LLC		AS17378
31	MTC Communications, Inc.		AS14363
32	WhiteSky Communications, LLC.		AS62887
33	OnShore, Inc.		AS26068
34	Adaptive Data Networks, LLC	X	AS23367
35	Microsoft Corporation		AS8075
36	CTS Communications Corp	X	AS19653
37	Akamai International B.V.		AS20940
38	University of Illinois		AS40387
39	WoodyNet, Inc.		AS42
40	YOUR.ORG, INC.		AS19255
41	Adams TelSystems, Inc.		AS12033
42	Fidium		AS25660
43	Salesforce, Inc.		AS14340
44	Westman Communications Group		AS19016
45	Liquid Web, L.L.C		AS32244
46	Northern Illinois University		AS11417
47	ESnet		AS293
48	IONOS SE		AS8560
49	Roblox		AS22697
50	Internet Systems Consortium, Inc.		AS33071
51	Netflix Streaming Services Inc.		AS2906
52	Facebook, Inc.		AS32934
53	Akamai Technologies, Inc.		AS32787
54	Xplore Inc.		AS22995
55	Blizzard Entertainment, Inc		AS57976
56	Apple Inc.		AS714
57	Automattic, Inc		AS2635
58	JAB Wireless, INC.		AS17306
59	BPS Networks		AS36243
60	Millikin University		AS394797
61	Valve Corporation	X	AS32590
62	CHICAGO STATE UNIVERSITY		AS1702
63	Stratus Networks	X	AS40948
64	RingCentral Inc		AS40627
65	University of Illinois Chicago		AS6200
66	Glenbard HSD #87		AS23427
67	City of Champaign, Illinois		AS32294
68	College of Lake County		AS40710
69	Northeastern Illinois University		AS10308
70	Chicago Park District		AS394798
71	Packet Host, Inc.		AS54825
72	CHICAGO PUBLIC LIBRARY		AS19480
73	Xiber		AS393950
74	South Suburban College of Cook County		AS394031
75	University Of Illinois College Of Medicine At Peoria		AS32464
76	Univeristy of Chicago Hospitals & Health System		AS29885
77	Hoopeston Area Schools	X	AS63056
78	Dropbox, Inc.		AS19679
79	Cisco Webex LLC		AS13445
80	Township High School District 214		AS395433
81	Illinois State University		AS7386
82	Chicago Public Schools		AS1416
83			AS22272
84	City of Chicago		AS394534
85	Moraine Valley Community College		AS40038
86	Bradley University		AS26367
87	CATO NETWORKS LTD		AS13150
88	Governors State University		AS22978
89	College of duPage		AS17196
90	Meteverse Limited.		AS54994
91	Western Illinois University		AS22887
92	Village of Schaumburg		AS394026
93	Manteno Community Unit School District 5		AS53643
94	Waubonsee Community College		AS33460
95	Southern Illinois University - School of Medicine		AS15118
96	Illinois Mathematics and Science Academy		AS397112
97	McHenry County College District 528		AS395068
98	CacheFly		AS30081
99	Fastly, Inc.		AS54113
100	State Universities Retirement System		AS23434
101	North Central College		AS29993
102	Maine Township High School District 207		AS395847
103	Oakton Community College		AS26255
104	Cisco OpenDNS, LLC		AS36692
105	Eastern Illinois University		AS19070
106	Cook County		AS46286
107	Community High School District 99		AS32344
108	Central Community Unit School District 301		AS53642
109	Packet Clearing House, Inc.		AS3856
110	Murphysboro Community Unit School District No. 186		AS394241
111	Wm. Rainey Harper College		AS15337
112	Southern Illinois University at Edwardsville		AS53695
113	Mannheim School District 83		AS402166
114	Wheaton College		AS33019
115	Glenbrook High School District		AS22666
116	ZSCALER, INC.		AS22616

Rank	Description	IPv4	Peer
1	Hurricane Electric LLC	X	AS6939
2	Cogent Communications, LLC	X	AS174
3	Zayo Bandwidth	X	AS6461
4	Metropolitan Research and Education Network	X	AS22335
5	AT&T Enterprises, LLC	X	AS7018
6	Hoyos Consulting LLC	X	AS53597
7	Unitas Global	X	AS1828
8	The Fusion Network, LLC	X	AS19754
9	i3D.net B.V	X	AS49544
10	Hoopeston Area Schools	X	AS63056
11	Adaptive Data Networks, LLC	X	AS23367
12	Valve Corporation	X	AS32590
13	Cloudflare, Inc.	X	AS13335
14	OVH SAS	X	AS16276
15	NETWORK INNOVATIONS, LLC	X	AS53828
16	Stratus Networks	X	AS40948
17	CTS Communications Corp	X	AS19653

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RADB

aut-num: AS6325 as-name: ILLINOIS-CENTURY-NETWORK descr: State of Illinois - Illinois Century Network import: from AS7018 accept ANY import: from AS174 accept ANY import: from AS22335 accept ANY import: from AS32787 accept ANY import: from AS1239 accept ANY import: from AS6461 accept ANY export: to AS7018 announce AS6325:AS-ICN export: to AS174 announce AS6325:AS-ICN export: to AS22335 announce AS6325:AS-ICN export: to AS32787 announce AS6325:AS-ICN export: to AS1239 announce AS6325:AS-ICN export: to AS6461 announce AS6325:AS-ICN admin-c: RESER5-ARIN tech-c: RESER5-ARIN notify: bgp4-admin@illinois.gov notify: doit.icn.nde@illinois.gov mnt-by: MAINT-AS6325 changed: chuck.reserva@illinois.gov 20260130 # 21:57 GMT source: RADB last-modified: 2026-01-30T21:57:57Z

Exchange	CC	City	IPv4	IPv6
Equinix Chicago	US	Chicago	208.115.136.22	2001:504:0:4::6325:1

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