IP Judge ipjudge.org

United States · ASN

AS2152 · CENIC-2152 - CENIC

CENIC-2152 - CENIC is registered in United States (ARIN). It currently announces 160 IPv4 prefixes (about 2,011,904 addresses) and 1 IPv6 prefixes in the global routing table; PeeringDB lists it as “Educational/Research”.

Country / region
United States
ARIN
IPv4 addresses
2,011,904
160 prefixes
IPv6
1
prefixes
Upstream / downstream
8 / 92
neighbours

AI platforms by the network’s registered country; the exit IP’s location is what counts

ChatGPTClaudeGeminiMuse

IPs checked on IP Judge datacenter / proxy IPs listed; residential and mobile only counted

No IP from this network has been checked yet.

Neighbouring networks

Upstreams (transit providers)

AS3356 · LEVEL3 - Level 3 Parent, LLCAS6939 · HURRICANE - Hurricane ElectrAS6461 · ZAYO-6461 - Zayo BandwidthAS2153 · CENIC-2153 - CENICAS11164 · INTERNET2-I2PX - Internet2AS8220 · COLT COLT Technology ServiceAS396450 · INTERNET2-2 - Internet2AS2516 · KDDI - KDDI CORPORATION

Downstreams (networks connected through it)

AS567 · ASN-LNET-AS - Los NettosAS195 · SDSC-AS - San Diego SupercomAS395226 · SACRAMENTO-COE - Sacramento AS54179 · VCOE - Ventura County OfficeAS6106 · UCR-EDU - University of CaliAS18558 · NETBLK-RCOEK - Riverside CouAS23483 · SHASTACOE - Shasta County OfAS2920 · LACOE - Los Angeles County OAS7377 · UCSD - University of CaliforAS21694 · FRESNOCOE - Fresno County OfAS52 · UCLA - University of CaliforAS6360 · UNIVHAWAII - University of H

IPv4 prefixes 160 total

64.39.112.0/2069.48.214.0/2369.48.215.0/2476.78.96.0/2176.78.124.0/2476.78.125.0/24104.249.91.0/24104.249.94.0/24130.65.0.0/16130.86.2.0/23130.150.0.0/16130.157.0.0/19130.157.0.0/16130.157.32.0/19130.157.64.0/18130.157.128.0/17130.166.0.0/16130.166.51.0/24130.182.0.0/16130.191.0.0/16130.212.0.0/16132.241.0.0/16132.241.61.0/24134.139.0.0/16134.139.1.0/24134.139.2.0/24134.154.0.0/16134.154.1.0/24134.154.2.0/24134.154.120.0/21134.154.206.0/24134.154.222.0/24136.168.0.0/16136.228.176.0/24137.145.0.0/16137.150.0.0/16137.151.0.0/16137.151.252.0/23137.164.0.0/16137.164.16.0/24137.164.18.0/24137.164.20.0/24137.164.22.0/24137.164.23.0/24137.164.24.0/24137.164.29.0/24137.164.30.0/24137.164.31.0/24137.164.32.0/21137.164.40.0/22137.164.241.0/24137.164.242.0/23137.164.244.0/22137.164.248.0/22137.164.252.0/23137.164.254.0/24139.182.0.0/16141.174.90.0/24144.37.0.0/17144.37.0.0/16144.37.128.0/17146.74.92.0/22146.244.0.0/16146.244.148.0/24146.244.150.0/24147.144.0.0/16147.144.0.0/17147.144.128.0/17155.135.0.0/16160.227.0.0/17160.227.20.0/22160.227.128.0/17160.227.129.0/24160.227.130.0/24163.150.244.0/23163.150.246.0/24165.74.16.0/20165.196.0.0/16192.86.78.0/24192.104.166.0/24192.111.213.0/24192.174.2.0/24192.174.3.0/24192.189.45.0/24192.189.46.0/24192.189.47.0/24192.189.48.0/24192.190.45.0/24192.207.184.0/24198.32.248.0/24198.32.251.0/24198.49.104.0/24198.62.142.0/24198.102.103.0/24198.137.151.0/24198.137.152.0/24198.175.250.0/24198.188.0.0/16198.189.0.0/16198.202.144.0/24198.202.145.0/24199.245.155.0/24204.17.179.0/24204.48.132.0/24204.48.133.0/24204.69.1.0/24204.69.3.0/24204.69.4.0/24204.69.5.0/24204.75.249.0/24204.75.250.0/24204.75.250.0/23204.75.251.0/24204.75.252.0/22204.75.252.0/24204.75.253.0/24204.75.254.0/24204.75.255.0/24204.89.147.0/24204.102.0.0/16205.154.0.0/16205.155.0.0/16206.15.224.0/23206.15.226.0/23206.15.228.0/23206.15.235.0/24206.15.236.0/22206.15.240.0/24206.15.243.0/24206.15.245.0/24206.15.246.0/24206.15.251.0/24206.15.254.0/23206.78.236.0/22206.224.224.0/19207.62.0.0/16207.99.139.0/24207.163.100.0/22207.163.104.0/23207.163.109.0/24207.163.110.0/23207.163.112.0/22207.166.0.0/24207.166.1.0/24207.166.2.0/23207.166.9.0/24207.166.18.0/23207.166.20.0/24207.166.22.0/24207.166.55.0/24207.166.58.0/24207.166.60.0/24207.166.62.0/24207.233.0.0/17209.129.0.0/16209.132.147.0/24209.132.158.0/24209.132.159.0/24209.188.128.0/17216.231.241.0/24

IPv6 prefixes 1 total

2607:f380::/32

Sources: RIPEstat (regional registry allocations and RIS routing data), PeeringDB, IP Judge lookups. Routing data refreshes daily.