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AS2153 CENIC

CENIC-2153 - CENIC · registered in the United States

IPv4 addresses3,39211 prefixes · <0.001% of announced IPv4
Rank in United States#5,108largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#17,346of 79,396 networks with IPv4
IPv6257 x /4845 prefixes
CountryUnited States18,679 ASNs registered there
Open AS2153 in ASN lookup Look up an IP in this network (130.150.12.1) All networks in United States

IPv4 prefixes

All 11 prefixes, in address order.

  • 130.150.12.0/23
  • 136.168.238.0/24
  • 137.150.137.0/24
  • 137.164.17.0/24
  • 137.164.25.0/24
  • 137.164.26.0/23
  • 137.164.28.0/24
  • 139.182.103.0/24
  • 198.188.2.0/26
  • 205.154.51.0/24
  • 209.129.60.0/23

IPv6 prefixes

All 45 prefixes.

  • 2001:468:e00::/40
  • 2607:f380::100:0:0/92
  • 2607:f380:1::100:0:0/93
  • 2607:f380:1::108:0:0/97
  • 2607:f380:1::108:8000:0/100
  • 2607:f380:1::108:9000:0/101
  • 2607:f380:1::108:9800:0/103
  • 2607:f380:1::108:9a00:0/106
  • 2607:f380:1::108:9a40:0/112
  • 2607:f380:1::108:9a41:0/113
  • 2607:f380:1::108:9a41:8000/117
  • 2607:f380:1::108:9a41:8800/119
  • 2607:f380:1::108:9a41:8a00/120
  • 2607:f380:1::108:9a41:8b00/121
  • 2607:f380:1::108:9a41:8b80/122
  • 2607:f380:1::108:9a41:8be0/123
  • 2607:f380:1::108:9a41:8c00/118
  • 2607:f380:1::108:9a41:9000/116
  • 2607:f380:1::108:9a41:a000/115
  • 2607:f380:1::108:9a41:c000/114
  • 2607:f380:1::108:9a42:0/114
  • 2607:f380:1::108:9a42:4000/115
  • 2607:f380:1::108:9a42:6000/117
  • 2607:f380:1::108:9a42:6800/118
  • 2607:f380:1::108:9a42:6c00/119
  • 2607:f380:1::108:9a42:6e00/120
  • 2607:f380:1::108:9a42:6f00/121
  • 2607:f380:1::108:9a42:6f80/122
  • 2607:f380:1::108:9a42:6fc0/123
  • 2607:f380:1::108:9a42:7000/116
  • 2607:f380:1::108:9a42:8000/113
  • 2607:f380:1::108:9a43:0/112
  • 2607:f380:1::108:9a44:0/110
  • 2607:f380:1::108:9a48:0/109
  • 2607:f380:1::108:9a50:0/108
  • 2607:f380:1::108:9a60:0/107
  • 2607:f380:1::108:9a80:0/105
  • 2607:f380:1::108:9b00:0/104
  • 2607:f380:1::108:9c00:0/102
  • 2607:f380:1::108:a000:0/99
  • 2607:f380:1::108:c000:0/98
  • 2607:f380:1::109:0:0/96
  • 2607:f380:1::10a:0:0/95
  • 2607:f380:1::10c:0:0/94
  • 2607:f380:4::/48

Other ASNs named CENIC

1 other network uses the same organisation name; together with AS2153 they announce 1,919,553 IPv4 addresses.

ASNNameIPv4 addresses
AS2152CENIC-2152 - CENIC US1,916,161

Similar-sized networks in United States

ASNNameIPv4 addresses
AS400690#5105 KEYSTONE-SOLUTIONS - KSB Industries, LLC3,584
AS401319#5106 TENSORWAVE-01 - TensorWave Inc.3,584
AS401851#5107 COSD - County of San Diego3,584
AS11570#5109 AS11570 - Eastern New Mexico University3,345
AS400342#5110 EDGENAT-CLOUD - EDGENAT CLOUD3,328
AS397006#5111 MULLCLOUD - Mullcloud LLC3,328

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