IP Judge ipjudge.org

United States · ASN

AS81 · NCREN - MCNC

NCREN - MCNC is registered in United States (ARIN). It currently announces 134 IPv4 prefixes (about 1,996,032 addresses) and 4 IPv6 prefixes in the global routing table; PeeringDB lists it as “Educational/Research”.

Country / region
United States
ARIN
IPv4 addresses
1,996,032
134 prefixes
IPv6
4
prefixes
Upstream / downstream
7 / 39
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)

Downstreams (networks connected through it)

IPv4 prefixes 134 total

128.109.0.0/16152.4.0.0/16152.6.0.0/16152.8.0.0/16152.9.0.0/16152.10.0.0/16152.11.0.0/16152.12.0.0/16152.18.0.0/16152.20.0.0/16152.21.0.0/16152.22.0.0/16152.22.32.0/21152.22.40.0/21152.22.48.0/21152.22.64.0/21152.22.72.0/21152.22.80.0/21152.26.0.0/16152.26.44.0/24152.26.69.0/24152.26.208.0/24152.26.209.0/24152.26.210.0/24152.26.211.0/24152.26.212.0/24152.26.213.0/24152.27.0.0/16152.27.12.0/24152.28.0.0/16152.28.1.0/24152.29.0.0/16152.30.0.0/16152.30.10.0/24152.30.92.0/24152.30.92.0/22152.32.0.0/18152.38.0.0/18152.38.17.0/24152.38.18.0/24152.38.64.0/19152.38.160.0/19152.38.192.0/20152.38.208.0/20152.38.224.0/19152.40.0.0/16152.42.64.0/18152.45.0.0/16152.45.1.0/24152.45.2.0/24152.45.3.0/24152.45.4.0/24152.45.5.0/24152.45.6.0/24152.45.8.0/24152.45.9.0/24152.45.10.0/24152.45.11.0/24152.45.15.0/24152.45.20.0/24152.46.0.0/16152.46.1.0/24152.46.2.0/24152.46.3.0/24152.46.4.0/24152.46.5.0/24152.46.6.0/24152.46.7.0/24152.46.8.0/24152.46.9.0/24152.46.12.0/24152.46.13.0/24152.46.14.0/24152.46.15.0/24152.46.16.0/21152.46.24.0/24152.46.25.0/24152.46.26.0/24152.46.27.0/24152.46.28.0/24152.46.29.0/24152.46.30.0/24152.46.31.0/24152.46.32.0/24152.46.33.0/24152.46.34.0/24152.46.35.0/24152.46.36.0/24152.46.37.0/24152.46.38.0/24152.46.39.0/24152.46.42.0/24152.46.43.0/24152.46.44.0/24152.46.45.0/24152.46.47.0/24152.46.48.0/24152.46.252.0/22152.47.0.0/16152.48.0.0/16152.49.0.0/16152.54.0.0/20152.54.0.0/16152.60.0.0/16152.60.4.0/24185.83.159.0/24192.101.21.0/24192.101.22.0/23192.101.22.0/24192.101.24.0/24192.137.210.0/24192.154.33.0/24192.154.43.0/24192.154.48.0/24192.154.55.0/24192.154.58.0/24192.154.60.0/24192.154.61.0/24192.154.66.0/24192.154.76.0/23192.154.95.0/24192.189.244.0/24198.85.0.0/16198.86.0.0/16198.86.244.0/22204.84.0.0/15204.84.80.0/20204.84.112.0/21204.84.120.0/24204.85.192.0/18205.167.132.0/24205.167.133.0/24206.107.110.0/24206.211.64.0/19

IPv6 prefixes 4 total

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