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ARIN registry — WHOIS, browse & statistics

A daily mirror of ARIN's public delegated registry (North America). Look up a resource, browse every object, or find a company's resources by name.

Single-resource lookup in ARIN’s delegated registry, enriched live from ARIN RDAP.
// what ARIN has delegated

ARIN registry at a glance

🌐
Assigned IPv4 addresses
1.65B
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
RangeAddressesCountryStatusAllocatedOrg handle
23.142.252.0 – 23.142.252.255 256 US allocated 2025-07-30 849bb6122652…
23.143.4.0 – 23.143.4.255 256 PR allocated 2025-07-30 bf83a209f16a…
23.143.12.0 – 23.143.12.255 256 US allocated 2025-07-30 4ffe09c2b61b…
69.5.188.0 – 69.5.188.255 256 US allocated 2025-07-30 37acf4aaf556…
72.57.0.0 – 72.57.31.255 8,192 US allocated 2025-07-30 7e676b61276a…
74.122.4.0 – 74.122.4.255 256 US allocated 2025-07-30 ea83eb24a36a…
104.243.221.0 – 104.243.221.255 256 US allocated 2025-07-30 7991e569bfc2…
192.58.214.0 – 192.58.214.255 256 US allocated 2025-07-30 f8b17fe3f8d9…
192.228.110.0 – 192.228.111.255 512 US allocated 2025-07-30 7991e569bfc2…
167.150.17.0 – 167.150.17.255 256 US allocated 2025-07-29 6bb470ce841c…
198.13.252.0 – 198.13.253.255 512 US allocated 2025-07-29 a158d6b8fd95…
23.142.220.0 – 23.142.220.255 256 US allocated 2025-07-28 34ef8f352b2c…
23.142.228.0 – 23.142.228.255 256 CA allocated 2025-07-28 dbeeaeb280ee…
23.142.236.0 – 23.142.236.255 256 PR allocated 2025-07-28 c8235a068460…
23.142.244.0 – 23.142.244.255 256 US allocated 2025-07-28 29434642edba…
69.8.96.0 – 69.8.111.255 4,096 US allocated 2025-07-28 5fd848db5e99…
70.35.156.0 – 70.35.156.255 256 US allocated 2025-07-28 2e3ea4602aa5…
103.109.233.0 – 103.109.233.255 256 US allocated 2025-07-28 a8e5137caff3…
198.245.0.0 – 198.245.7.255 2,048 US allocated 2025-07-28 cd306c7f6d91…
23.142.204.0 – 23.142.204.255 256 US allocated 2025-07-25 481f4c2796a3…
23.142.212.0 – 23.142.212.255 256 US allocated 2025-07-25 bfca5b871741…
192.133.117.0 – 192.133.117.255 256 US allocated 2025-07-25 f1c3344cebf6…
199.165.136.0 – 199.165.136.255 256 CA allocated 2025-07-25 c121281ce66d…
23.142.156.0 – 23.142.156.255 256 US allocated 2025-07-24 703d2b173a65…
23.142.164.0 – 23.142.164.255 256 AU allocated 2025-07-24 7ea75d5714e0…
23.142.172.0 – 23.142.172.255 256 US allocated 2025-07-24 f228425755aa…
23.142.180.0 – 23.142.180.255 256 US allocated 2025-07-24 f52bafc4bd1c…
23.142.188.0 – 23.142.188.255 256 US allocated 2025-07-24 dead5ba77fb6…
23.142.196.0 – 23.142.196.255 256 US allocated 2025-07-24 11062903a60f…
164.163.108.0 – 164.163.111.255 1,024 US allocated 2025-07-24 3a5f2cf6acdd…
167.17.112.0 – 167.17.127.255 4,096 US allocated 2025-07-24 8ae9769263e0…
177.124.156.0 – 177.124.159.255 1,024 US allocated 2025-07-24 3a5f2cf6acdd…
198.13.248.0 – 198.13.249.255 512 US allocated 2025-07-24 0d783ec52848…
198.202.19.0 – 198.202.19.255 256 US allocated 2025-07-24 08b0a62eba81…
199.104.8.0 – 199.104.8.255 256 US allocated 2025-07-24 a695459849b8…
199.104.10.0 – 199.104.10.255 256 US allocated 2025-07-24 a695459849b8…
199.104.24.0 – 199.104.31.255 2,048 US allocated 2025-07-24 a695459849b8…
204.228.192.0 – 204.228.255.255 16,384 US allocated 2025-07-24 a695459849b8…
206.207.75.0 – 206.207.75.255 256 US allocated 2025-07-24 a695459849b8…
206.207.76.0 – 206.207.79.255 1,024 US allocated 2025-07-24 a695459849b8…
206.207.80.0 – 206.207.95.255 4,096 US allocated 2025-07-24 a695459849b8…
206.207.96.0 – 206.207.127.255 8,192 US allocated 2025-07-24 a695459849b8…
216.71.120.0 – 216.71.120.255 256 CA allocated 2025-07-24 75b94af7b12c…
23.142.132.0 – 23.142.132.255 256 US allocated 2025-07-23 6b0ff89f5fcd…
23.142.140.0 – 23.142.140.255 256 US allocated 2025-07-23 a0b1535a87c0…
23.142.148.0 – 23.142.148.255 256 US allocated 2025-07-23 1deb5a4bae11…
69.5.185.0 – 69.5.185.255 256 US allocated 2025-07-23 7e1129ce51af…
70.35.159.0 – 70.35.159.255 256 US allocated 2025-07-23 625776649259…
92.192.0.0 – 92.192.255.255 65,536 US allocated 2025-07-23 20c786e8edd8…
92.200.0.0 – 92.200.255.255 65,536 US allocated 2025-07-23 20c786e8edd8…
167.150.4.0 – 167.150.7.255 1,024 US allocated 2025-07-23 5edc763a2be7…
198.202.28.0 – 198.202.28.255 256 US allocated 2025-07-23 2d1b10c740d5…
198.235.20.0 – 198.235.23.255 1,024 US allocated 2025-07-23 8838d4cbb6d0…
206.188.202.0 – 206.188.202.255 256 CA allocated 2025-07-23 c8a6c9e94991…
23.142.100.0 – 23.142.100.255 256 US allocated 2025-07-22 455e6367dce0…
23.142.108.0 – 23.142.108.255 256 US allocated 2025-07-22 231ef07e9295…
23.142.116.0 – 23.142.116.255 256 US allocated 2025-07-22 21313ef58127…
23.142.124.0 – 23.142.124.255 256 US allocated 2025-07-22 7a5406c72ff5…
23.185.177.0 – 23.185.177.255 256 US allocated 2025-07-22 2ccd6540f920…
63.249.0.0 – 63.249.31.255 8,192 US allocated 2025-07-22 b8ddebf06ef3…
69.5.190.0 – 69.5.190.255 256 US allocated 2025-07-22 663fca13fd8b…
69.40.192.0 – 69.40.195.255 1,024 US allocated 2025-07-22 3fdf3710af45…
108.174.69.0 – 108.174.69.255 256 US allocated 2025-07-22 3150969d6520…
162.33.190.0 – 162.33.190.255 256 US allocated 2025-07-22 991dbda50faa…
192.33.112.0 – 192.33.112.255 256 CA allocated 2025-07-22 0340d9a548da…
209.250.16.0 – 209.250.23.255 2,048 US allocated 2025-07-22 a61303a8fade…
23.142.60.0 – 23.142.60.255 256 US allocated 2025-07-21 efb25c511e23…
23.142.68.0 – 23.142.68.255 256 US allocated 2025-07-21 16336717ff84…
23.142.76.0 – 23.142.76.255 256 US allocated 2025-07-21 9424c24b7f42…
23.142.92.0 – 23.142.92.255 256 US allocated 2025-07-21 83cbc91a856f…
23.164.72.0 – 23.164.72.255 256 US allocated 2025-07-21 9424ed9abbfa…
70.35.152.0 – 70.35.152.255 256 US allocated 2025-07-21 92d99889587a…
72.51.56.0 – 72.51.59.255 1,024 US allocated 2025-07-21 c68d66d8a644…
74.118.224.0 – 74.118.227.255 1,024 US allocated 2025-07-21 560d17fe760e…
161.108.192.0 – 161.108.199.255 2,048 US allocated 2025-07-21 623e0ec07709…
192.64.208.0 – 192.64.211.255 1,024 US allocated 2025-07-21 d128a3e553da…
209.131.120.0 – 209.131.123.255 1,024 US allocated 2025-07-21 0ed489778232…
23.142.12.0 – 23.142.12.255 256 KR allocated 2025-07-18 543317995d4d…
23.142.20.0 – 23.142.20.255 256 US allocated 2025-07-18 06dc95d93c68…
23.142.28.0 – 23.142.28.255 256 US allocated 2025-07-18 17fc71e8f65d…
23.142.36.0 – 23.142.36.255 256 US allocated 2025-07-18 03377cb32d42…
23.142.44.0 – 23.142.44.255 256 US allocated 2025-07-18 4d9fb170f068…
23.142.52.0 – 23.142.52.255 256 US allocated 2025-07-18 986901a82055…
136.245.128.0 – 136.245.143.255 4,096 US allocated 2025-07-18 cdb5a178926a…
15.211.0.0 – 15.211.255.255 65,536 US allocated 2025-07-17 adc8b004b305…
15.218.0.0 – 15.218.255.255 65,536 US allocated 2025-07-17 adc8b004b305…
23.141.236.0 – 23.141.236.255 256 US allocated 2025-07-17 615fbc393d53…
23.141.244.0 – 23.141.244.255 256 US allocated 2025-07-17 18ff6768035f…
23.141.252.0 – 23.141.252.255 256 US allocated 2025-07-17 51550ae8b66c…
23.142.4.0 – 23.142.4.255 256 US allocated 2025-07-17 d70b02ef4ea0…
134.195.42.0 – 134.195.42.255 256 US allocated 2025-07-17 48ad14947bb7…
204.77.194.0 – 204.77.194.255 256 US allocated 2025-07-17 50869cacc061…
205.184.64.0 – 205.184.95.255 8,192 US allocated 2025-07-17 f7f4d3727af3…
208.66.112.0 – 208.66.119.255 2,048 CA allocated 2025-07-17 f6378853cc62…
23.141.156.0 – 23.141.156.255 256 US allocated 2025-07-16 c9640e0b5f28…
23.141.164.0 – 23.141.164.255 256 US allocated 2025-07-16 13f24bc9b301…
23.141.172.0 – 23.141.172.255 256 US allocated 2025-07-16 17acfd7767a5…
23.141.180.0 – 23.141.180.255 256 US allocated 2025-07-16 323fb06cc5f1…
23.141.188.0 – 23.141.188.255 256 US allocated 2025-07-16 33ee9134365a…
23.141.196.0 – 23.141.196.255 256 US allocated 2025-07-16 b12cf55b078b…
2,501–2,600 of 80,536 « first‹ prev 2425262728 next ›last » of 806