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
1,645,628,928
📦
IPv4 networks
76,687
delegated blocks
🧭
IPv6 networks
11,336
delegated blocks
🔗
Autonomous systems
34,032
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 143.115.0.0 – 143.115.255.255 | 65,536 |  US |
allocated | 1990-09-17 | 651f079f9d88… |
| 143.120.0.0 – 143.120.255.255 | 65,536 | US |
allocated | 1990-09-17 | b138562e6038… |
| 192.76.173.0 – 192.76.173.255 | 256 | US |
allocated | 1990-09-17 | 45fe880b68a8… |
| 192.76.174.0 – 192.76.174.255 | 256 | US |
allocated | 1990-09-17 | a5213b78144d… |
| 192.83.115.0 – 192.83.115.255 | 256 | US |
allocated | 1990-09-17 | 4a34b9f7ce6e… |
| 192.83.116.0 – 192.83.116.255 | 256 | US |
allocated | 1990-09-17 | 4a34b9f7ce6e… |
| 192.83.117.0 – 192.83.117.255 | 256 | US |
allocated | 1990-09-17 | 4a34b9f7ce6e… |
| 192.83.121.0 – 192.83.121.255 | 256 |  CA |
allocated | 1990-09-17 | fe4868ab136f… |
| 192.83.158.0 – 192.83.158.255 | 256 | US |
allocated | 1990-09-17 | 7a1e75de3356… |
| 192.83.159.0 – 192.83.159.255 | 256 | US |
allocated | 1990-09-17 | 4f8fee35a7a0… |
| 192.83.161.0 – 192.83.161.255 | 256 | US |
allocated | 1990-09-17 | c27daad31e10… |
| 192.83.162.0 – 192.83.162.255 | 256 | US |
allocated | 1990-09-17 | 4b3e152c829c… |
| 192.83.163.0 – 192.83.163.255 | 256 | US |
allocated | 1990-09-17 | 35309917a8d2… |
| 143.88.0.0 – 143.88.255.255 | 65,536 | US |
allocated | 1990-09-07 | 015b561d70c6… |
| 143.91.0.0 – 143.91.255.255 | 65,536 | US |
allocated | 1990-09-07 | e220ed812a4c… |
| 143.95.0.0 – 143.95.255.255 | 65,536 | US |
allocated | 1990-09-07 | 8b74197c2fcb… |
| 143.98.0.0 – 143.98.255.255 | 65,536 | US |
allocated | 1990-09-07 | 500ee440e619… |
| 143.100.0.0 – 143.100.255.255 | 65,536 | US |
allocated | 1990-09-07 | 6b801139b520… |
| 192.83.101.0 – 192.83.101.255 | 256 | CA |
allocated | 1990-09-07 | 89c962f4c710… |
| 192.83.105.0 – 192.83.105.255 | 256 | US |
allocated | 1990-09-07 | 6e7fadb2942b… |
| 192.83.106.0 – 192.83.106.255 | 256 | US |
allocated | 1990-09-07 | 58bab9bfa223… |
| 192.83.108.0 – 192.83.108.255 | 256 | US |
allocated | 1990-09-07 | 0d93969c834e… |
| 192.83.109.0 – 192.83.109.255 | 256 | US |
allocated | 1990-09-07 | 88d01685b67f… |
| 192.83.111.0 – 192.83.111.255 | 256 | US |
allocated | 1990-09-07 | d7c40d04f568… |
| 192.83.114.0 – 192.83.114.255 | 256 | US |
allocated | 1990-09-07 | 45fe880b68a8… |
| 143.172.0.0 – 143.172.255.255 | 65,536 | US |
allocated | 1990-09-06 | 5f6095e5c918… |
| 143.55.0.0 – 143.55.15.255 | 4,096 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.80.0 – 143.55.81.255 | 512 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.155.0 – 143.55.155.255 | 256 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.156.0 – 143.55.159.255 | 1,024 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.160.0 – 143.55.175.255 | 4,096 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 192.73.225.0 – 192.73.225.255 | 256 | US |
allocated | 1990-08-28 | 434022d58d08… |
| 192.73.227.0 – 192.73.227.255 | 256 | US |
allocated | 1990-08-28 | 4a5a6d4314a9… |
| 192.73.228.0 – 192.73.228.255 | 256 | US |
allocated | 1990-08-28 | fbfcff4433fd… |
| 192.73.230.0 – 192.73.230.255 | 256 | US |
allocated | 1990-08-28 | 20f3189433e4… |
| 192.73.231.0 – 192.73.231.255 | 256 | US |
allocated | 1990-08-28 | b9b2b8874e95… |
| 192.76.36.0 – 192.76.39.255 | 1,024 | US |
allocated | 1990-08-28 | e220ed812a4c… |
| 192.76.40.0 – 192.76.47.255 | 2,048 | US |
allocated | 1990-08-28 | e220ed812a4c… |
| 192.76.48.0 – 192.76.63.255 | 4,096 | US |
allocated | 1990-08-28 | e220ed812a4c… |
| 192.76.64.0 – 192.76.95.255 | 8,192 | US |
allocated | 1990-08-28 | e220ed812a4c… |
| 192.76.96.0 – 192.76.111.255 | 4,096 | US |
allocated | 1990-08-28 | e220ed812a4c… |
| 192.76.112.0 – 192.76.115.255 | 1,024 | US |
allocated | 1990-08-28 | e220ed812a4c… |
| 141.254.0.0 – 141.254.255.255 | 65,536 | US |
allocated | 1990-08-22 | dd054087e5ac… |
| 162.80.0.0 – 162.80.255.255 | 65,536 | US |
allocated | 1990-08-22 | dd54615e4302… |
| 192.82.228.0 – 192.82.228.255 | 256 | US |
allocated | 1990-08-22 | d3529f254bc5… |
| 192.82.229.0 – 192.82.229.255 | 256 | US |
allocated | 1990-08-22 | b58bd45dd935… |
| 192.82.231.0 – 192.82.231.255 | 256 | US |
allocated | 1990-08-22 | 70c710d2691b… |
| 192.82.233.0 – 192.82.233.255 | 256 | US |
allocated | 1990-08-22 | 78c433d8b82e… |
| 192.82.234.0 – 192.82.234.255 | 256 | US |
allocated | 1990-08-22 | 7347b13c724c… |
| 192.82.235.0 – 192.82.235.255 | 256 | US |
allocated | 1990-08-22 | 7347b13c724c… |
| 192.82.236.0 – 192.82.236.255 | 256 | US |
allocated | 1990-08-22 | 7347b13c724c… |
| 192.73.216.0 – 192.73.216.255 | 256 | US |
allocated | 1990-08-14 | 36d3d57ed935… |
| 192.73.217.0 – 192.73.217.255 | 256 | US |
allocated | 1990-08-14 | aaf30ef66b3f… |
| 192.73.213.0 – 192.73.213.255 | 256 | US |
allocated | 1990-08-13 | d7c40d04f568… |
| 192.82.215.0 – 192.82.215.255 | 256 | US |
allocated | 1990-08-13 | 48d18c2f9253… |
| 192.82.223.0 – 192.82.223.255 | 256 | US |
allocated | 1990-08-13 | 9079471d80c3… |
| 192.82.224.0 – 192.82.224.255 | 256 | US |
allocated | 1990-08-13 | 592d5cba571d… |
| 192.82.225.0 – 192.82.225.255 | 256 | US |
allocated | 1990-08-13 | 755ff1346118… |
| 192.82.226.0 – 192.82.226.255 | 256 | US |
allocated | 1990-08-13 | db134ae94d14… |
| 192.82.227.0 – 192.82.227.255 | 256 | US |
allocated | 1990-08-13 | 0c209a06c6d8… |
| 141.238.0.0 – 141.238.255.255 | 65,536 | US |
allocated | 1990-08-10 | e829d5bdbc04… |
| 141.239.0.0 – 141.239.255.255 | 65,536 | US |
allocated | 1990-08-10 | 2eb271d6c28f… |
| 141.240.0.0 – 141.240.255.255 | 65,536 | US |
allocated | 1990-08-10 | a5233c3f9c47… |
| 192.82.212.0 – 192.82.212.255 | 256 | US |
allocated | 1990-08-10 | 56dab634fb88… |
| 192.82.213.0 – 192.82.213.255 | 256 | US |
allocated | 1990-08-10 | 55877d17ee52… |
| 141.232.0.0 – 141.232.255.255 | 65,536 | US |
allocated | 1990-08-08 | 3a9a3fb7737d… |
| 192.75.1.0 – 192.75.1.255 | 256 | CA |
allocated | 1990-08-08 | 8c89494b89e4… |
| 192.75.2.0 – 192.75.2.255 | 256 | CA |
allocated | 1990-08-08 | 8c89494b89e4… |
| 192.75.3.0 – 192.75.3.255 | 256 | CA |
allocated | 1990-08-08 | 32ea47d33a8a… |
| 192.75.5.0 – 192.75.5.255 | 256 | CA |
allocated | 1990-08-08 | 209365bec474… |
| 143.1.0.0 – 143.1.255.255 | 65,536 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.2.0.0 – 143.3.255.255 | 131,072 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.4.0.0 – 143.7.255.255 | 262,144 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.8.0.0 – 143.8.255.255 | 65,536 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.10.0.0 – 143.11.255.255 | 131,072 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.12.0.0 – 143.12.255.255 | 65,536 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.15.0.0 – 143.15.255.255 | 65,536 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.16.0.0 – 143.19.255.255 | 262,144 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.21.0.0 – 143.21.255.255 | 65,536 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.22.0.0 – 143.23.255.255 | 131,072 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.24.0.0 – 143.31.255.255 | 524,288 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.32.0.0 – 143.39.255.255 | 524,288 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 143.40.0.0 – 143.40.255.255 | 65,536 | US |
allocated | 1990-08-05 | 0dc6694c14a3… |
| 192.73.78.0 – 192.73.78.255 | 256 | US |
allocated | 1990-08-05 | 03ac2fdecce5… |
| 192.73.79.0 – 192.73.79.255 | 256 | US |
allocated | 1990-08-05 | a38b1ae01450… |
| 192.73.82.0 – 192.73.83.255 | 512 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.84.0 – 192.73.87.255 | 1,024 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.88.0 – 192.73.95.255 | 2,048 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.96.0 – 192.73.127.255 | 8,192 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.128.0 – 192.73.191.255 | 16,384 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.192.0 – 192.73.199.255 | 2,048 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.200.0 – 192.73.203.255 | 1,024 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.204.0 – 192.73.204.255 | 256 | US |
allocated | 1990-08-05 | 45fe880b68a8… |
| 192.73.205.0 – 192.73.205.255 | 256 | US |
allocated | 1990-08-05 | f9c1ec8ce366… |
| 192.73.206.0 – 192.73.206.255 | 256 | US |
allocated | 1990-08-05 | 10ccf81118a9… |
| 141.199.0.0 – 141.199.255.255 | 65,536 | US |
allocated | 1990-08-03 | 6af3dbdad10c… |
| 141.204.0.0 – 141.204.255.255 | 65,536 | US |
allocated | 1990-08-03 | 7347b13c724c… |
| 141.205.0.0 – 141.205.255.255 | 65,536 | US |
allocated | 1990-08-03 | 0596821a6910… |
| 141.207.0.0 – 141.207.255.255 | 65,536 | US |
allocated | 1990-08-03 | e220ed812a4c… |
| 141.222.0.0 – 141.222.255.255 | 65,536 | US |
allocated | 1990-08-03 | 51cc9074730e… |