AS2152 CENIC

CENIC-2152 - CENIC · registered in the United States

IPv4 addresses1,916,1611,727 prefixes · 0.061% of announced IPv4

Rank in United States#59largest network in US by IPv4 space, of 18,338 · 0.14% of US

Rank worldwide#203of 79,396 networks with IPv4

IPv665,525 x /481,441 prefixes

CountryUnited States18,679 ASNs registered there

Open AS2152 in ASN lookup Look up an IP in this network (64.39.112.1) All networks in United States

IPv4 prefixes

First 500 of 1,727 prefixes, in address order.

64.39.112.0/20
69.48.214.0/25
69.48.214.128/29
69.48.214.136/29
69.48.214.144/28
69.48.214.160/27
69.48.214.192/26
69.48.215.0/24
76.78.96.0/21
76.78.124.0/23
104.249.91.0/24
104.249.94.0/24
130.65.0.0/16
130.86.2.0/23
130.150.0.0/21
130.150.14.0/23
130.150.16.0/20
130.150.32.0/19
130.150.96.0/19
130.150.128.0/18
130.150.192.0/21
130.150.208.0/20
130.150.224.0/20
130.150.244.0/22
130.150.248.0/21
130.157.0.0/16
130.166.0.0/19
130.166.32.0/20
130.166.48.0/22
130.166.52.0/22
130.166.56.0/21
130.166.64.0/18
130.166.128.0/18
130.166.192.0/19
130.166.224.0/21
130.166.232.0/22
130.166.236.0/23
130.166.238.0/25
130.166.238.128/26
130.166.238.192/30
130.166.238.196/30
130.166.238.200/29
130.166.238.208/28
130.166.238.224/27
130.166.239.0/24
130.166.240.0/20
130.182.0.0/16
130.191.0.0/19
130.191.32.0/20
130.191.48.0/24
130.191.50.0/23
130.191.52.0/22
130.191.56.0/21
130.191.64.0/19
130.191.96.0/22
130.191.100.0/23
130.191.102.0/24
130.191.104.0/21
130.191.112.0/20
130.191.128.0/17
130.212.0.0/18
130.212.64.0/19
130.212.96.0/20
130.212.128.0/17
132.241.0.0/19
132.241.32.0/20
132.241.48.0/21
132.241.56.0/22
132.241.60.0/23
132.241.62.0/23
132.241.64.0/18
132.241.128.0/17
134.139.0.0/20
134.139.16.0/23
134.139.18.0/24
134.139.19.0/27
134.139.19.32/28
134.139.19.48/31
134.139.19.50/31
134.139.19.52/32
134.139.19.54/31
134.139.19.56/29
134.139.19.64/26
134.139.19.128/25
134.139.20.0/22
134.139.24.0/21
134.139.32.0/20
134.139.48.0/22
134.139.52.0/23
134.139.54.0/26
134.139.54.64/26
134.139.54.128/25
134.139.55.0/24
134.139.56.0/21
134.139.64.0/18
134.139.128.0/17
134.154.0.0/17
134.154.128.0/21
134.154.136.0/27
134.154.136.32/29
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134.154.136.48/28
134.154.136.64/26
134.154.136.128/25
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134.154.138.0/23
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134.154.141.224/29
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134.154.141.240/28
134.154.142.0/23
134.154.144.0/21
134.154.152.0/23
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134.154.155.192/27
134.154.155.224/27
134.154.156.0/22
134.154.160.0/20
134.154.176.0/22
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134.154.183.0/27
134.154.183.32/29
134.154.183.40/30
134.154.183.44/32
134.154.183.45/32
134.154.183.46/31
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134.154.183.64/26
134.154.183.128/25
134.154.184.0/22
134.154.188.0/23
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134.154.191.128/28
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134.154.191.192/26
134.154.192.0/21
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134.154.203.128/25
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134.154.216.0/22
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134.154.224.0/20
134.154.240.0/21
134.154.248.0/21
136.168.0.0/17
136.168.128.0/18
136.168.192.0/19
136.168.224.0/21
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136.168.254.0/26
136.168.254.64/26
136.168.254.128/25
136.168.255.0/24
136.228.176.0/24
137.145.0.0/21
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137.145.240.0/20
137.150.0.0/17
137.150.128.0/21
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137.164.0.0/24
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IPv6 prefixes

First 500 of 1,441 prefixes.

2607:f380::/88
2607:f380::110:0:0/93
2607:f380::118:0:0/97
2607:f380::118:8000:0/100
2607:f380::118:9000:0/101
2607:f380::118:9800:0/103
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2607:f380::118:9a40:0/116
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Other ASNs named CENIC

1 other network uses the same organisation name; together with AS2152 they announce 1,919,553 IPv4 addresses.

ASNNameIPv4 addresses

AS2153CENIC-2153 - CENIC US3,392

Similar-sized networks in United States

ASNNameIPv4 addresses

AS16591#56 GOOGLE-FIBER - Google Fiber Inc.2,244,608

AS237#57 MERIT-AS-14 - Merit Network Inc.2,209,148

AS81#58 NCREN - MCNC1,957,376

AS5972#60 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)1,865,472

AS270#61 AS270 - National Aeronautics and Space Administration1,859,328

AS33668#62 CMCS - Comcast Cable Communications, LLC1,857,536

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources