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
1.64B
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.75.197.0 – 204.75.197.255 | 256 |  US |
allocated | 1994-09-07 | 73140e517da1… |
| 204.75.198.0 – 204.75.199.255 | 512 | US |
allocated | 1994-09-07 | 73140e517da1… |
| 204.75.201.0 – 204.75.201.255 | 256 | US |
allocated | 1994-09-07 | c1be7756983b… |
| 204.75.202.0 – 204.75.202.255 | 256 | US |
allocated | 1994-09-07 | 01fedd4ab064… |
| 204.75.203.0 – 204.75.203.255 | 256 | US |
allocated | 1994-09-07 | 8649de79ab31… |
| 204.75.204.0 – 204.75.204.255 | 256 | US |
allocated | 1994-09-07 | a1b93743f531… |
| 204.75.205.0 – 204.75.205.255 | 256 | US |
allocated | 1994-09-07 | 6879f71bba1a… |
| 204.75.206.0 – 204.75.206.255 | 256 | US |
allocated | 1994-09-07 | f941b0779221… |
| 204.75.207.0 – 204.75.207.255 | 256 | US |
allocated | 1994-09-07 | 1cdcf9907799… |
| 204.75.209.0 – 204.75.209.255 | 256 | US |
allocated | 1994-09-07 | 3ec67daeb78b… |
| 204.75.210.0 – 204.75.210.255 | 256 | US |
allocated | 1994-09-07 | 5258f58a3d61… |
| 204.75.211.0 – 204.75.211.255 | 256 | US |
allocated | 1994-09-07 | 4f3e38670de4… |
| 204.75.212.0 – 204.75.212.255 | 256 | US |
allocated | 1994-09-07 | 6913ff19635e… |
| 204.75.213.0 – 204.75.213.255 | 256 | US |
allocated | 1994-09-07 | 903da6a6bd75… |
| 204.75.214.0 – 204.75.214.255 | 256 | US |
allocated | 1994-09-07 | a383ac7393aa… |
| 204.75.215.0 – 204.75.215.255 | 256 | US |
allocated | 1994-09-07 | b15c6aea1a48… |
| 204.75.216.0 – 204.75.216.255 | 256 | US |
allocated | 1994-09-07 | 1a106d0c4ddb… |
| 204.75.217.0 – 204.75.217.255 | 256 | US |
allocated | 1994-09-07 | ceba9fd15d45… |
| 204.86.0.0 – 204.86.7.255 | 2,048 | US |
allocated | 1994-09-07 | 347ae3498f0d… |
| 204.86.8.0 – 204.86.11.255 | 1,024 | US |
allocated | 1994-09-07 | 347ae3498f0d… |
| 204.86.12.0 – 204.86.12.255 | 256 | US |
allocated | 1994-09-07 | 347ae3498f0d… |
| 204.86.64.0 – 204.86.95.255 | 8,192 | US |
allocated | 1994-09-07 | 5a729c593d59… |
| 204.141.0.0 – 204.141.255.255 | 65,536 | US |
allocated | 1994-09-07 | 9f14454567a6… |
| 170.185.0.0 – 170.185.255.255 | 65,536 | US |
allocated | 1994-09-06 | c627cea4b070… |
| 170.186.0.0 – 170.186.255.255 | 65,536 | US |
allocated | 1994-09-06 | be87a6f57401… |
| 199.244.185.0 – 199.244.185.255 | 256 | US |
allocated | 1994-09-06 | 793f0a6f2087… |
| 199.244.186.0 – 199.244.187.255 | 512 | US |
allocated | 1994-09-06 | 2d594996c070… |
| 199.244.188.0 – 199.244.188.255 | 256 | US |
allocated | 1994-09-06 | ec0e81ff1756… |
| 199.244.189.0 – 199.244.189.255 | 256 | US |
allocated | 1994-09-06 | 77fc1c326292… |
| 199.244.190.0 – 199.244.190.255 | 256 | US |
allocated | 1994-09-06 | a1805ff721bd… |
| 199.244.191.0 – 199.244.191.255 | 256 | US |
allocated | 1994-09-06 | 360a7a81e4cb… |
| 199.244.192.0 – 199.244.195.255 | 1,024 | US |
allocated | 1994-09-06 | fc384efbf3e6… |
| 199.244.196.0 – 199.244.197.255 | 512 | US |
allocated | 1994-09-06 | fc384efbf3e6… |
| 204.75.190.0 – 204.75.191.255 | 512 | US |
allocated | 1994-09-06 | b77ca342287d… |
| 204.75.192.0 – 204.75.192.255 | 256 | US |
allocated | 1994-09-06 | b77ca342287d… |
| 204.75.193.0 – 204.75.193.255 | 256 | US |
allocated | 1994-09-06 | d3d28c550d38… |
| 204.75.194.0 – 204.75.195.255 | 512 | US |
allocated | 1994-09-06 | d3d28c550d38… |
| 204.75.196.0 – 204.75.196.255 | 256 | US |
allocated | 1994-09-06 | d3d28c550d38… |
| 204.88.0.0 – 204.88.15.255 | 4,096 | US |
allocated | 1994-09-06 | 3bbda5f6dae3… |
| 168.237.0.0 – 168.237.255.255 | 65,536 | US |
allocated | 1994-09-02 | 0596821a6910… |
| 168.238.0.0 – 168.238.255.255 | 65,536 | US |
allocated | 1994-09-02 | 3aaaf7865343… |
| 204.75.161.0 – 204.75.161.255 | 256 | US |
allocated | 1994-09-02 | 1b7e16447aaf… |
| 204.75.162.0 – 204.75.162.255 | 256 | US |
allocated | 1994-09-02 | 9484a7e5596d… |
| 204.75.163.0 – 204.75.163.255 | 256 | US |
allocated | 1994-09-02 | e7d5baefcb45… |
| 204.75.164.0 – 204.75.164.255 | 256 | US |
allocated | 1994-09-02 | ad2d8302d362… |
| 204.75.165.0 – 204.75.165.255 | 256 | US |
allocated | 1994-09-02 | bbc4b4c2f15c… |
| 204.75.166.0 – 204.75.166.255 | 256 | US |
allocated | 1994-09-02 | 2b3b744e2dd7… |
| 204.75.167.0 – 204.75.167.255 | 256 | US |
allocated | 1994-09-02 | 6a2bec1ff1c3… |
| 204.75.168.0 – 204.75.168.255 | 256 | US |
allocated | 1994-09-02 | 916a98c607f0… |
| 204.75.169.0 – 204.75.169.255 | 256 | US |
allocated | 1994-09-02 | a14c5fee00e6… |
| 204.75.170.0 – 204.75.170.255 | 256 | US |
allocated | 1994-09-02 | a14c5fee00e6… |
| 204.75.171.0 – 204.75.171.255 | 256 | US |
allocated | 1994-09-02 | ace55d4dc090… |
| 204.75.174.0 – 204.75.174.255 | 256 | US |
allocated | 1994-09-02 | 725816771eaa… |
| 204.75.175.0 – 204.75.175.255 | 256 | US |
allocated | 1994-09-02 | 012dc648c63e… |
| 204.75.176.0 – 204.75.176.255 | 256 | US |
allocated | 1994-09-02 | 8d8b05392b75… |
| 204.75.177.0 – 204.75.177.255 | 256 | US |
allocated | 1994-09-02 | dcfa018dce30… |
| 204.75.178.0 – 204.75.178.255 | 256 | US |
allocated | 1994-09-02 | 1b2f6b01415a… |
| 204.75.179.0 – 204.75.179.255 | 256 | US |
allocated | 1994-09-02 | 34e89cf2c058… |
| 204.75.180.0 – 204.75.183.255 | 1,024 | US |
allocated | 1994-09-02 | 34e89cf2c058… |
| 204.75.184.0 – 204.75.184.255 | 256 | US |
allocated | 1994-09-02 | 34e89cf2c058… |
| 204.75.185.0 – 204.75.185.255 | 256 | US |
allocated | 1994-09-02 | 81cd9ee6323b… |
| 204.78.128.0 – 204.78.255.255 | 32,768 | US |
allocated | 1994-09-02 | 72890515d12c… |
| 204.140.32.0 – 204.140.63.255 | 8,192 | US |
allocated | 1994-09-02 | d7c40d04f568… |
| 168.236.0.0 – 168.236.255.255 | 65,536 | US |
allocated | 1994-09-01 | d9ff24550b16… |
| 204.75.150.0 – 204.75.150.255 | 256 | US |
allocated | 1994-09-01 | cecfd18d3013… |
| 204.75.153.0 – 204.75.153.255 | 256 | US |
allocated | 1994-09-01 | 882c7daa1bd2… |
| 204.75.156.0 – 204.75.156.255 | 256 | US |
allocated | 1994-09-01 | 2e522abc15f6… |
| 204.75.159.0 – 204.75.159.255 | 256 | US |
allocated | 1994-09-01 | a975645edc6f… |
| 204.75.160.0 – 204.75.160.255 | 256 | US |
allocated | 1994-09-01 | a114699d126e… |
| 204.139.0.0 – 204.139.7.255 | 2,048 | US |
allocated | 1994-09-01 | 9b11c494ef3e… |
| 204.139.8.0 – 204.139.15.255 | 2,048 | US |
allocated | 1994-09-01 | a7f7463af3d3… |
| 204.139.16.0 – 204.139.31.255 | 4,096 | US |
allocated | 1994-09-01 | 4f8f161f2dce… |
| 168.235.0.0 – 168.235.63.255 | 16,384 | US |
allocated | 1994-08-31 | 12b205ad0bd4… |
| 204.75.146.0 – 204.75.146.255 | 256 | US |
allocated | 1994-08-31 | 9f14454567a6… |
| 204.75.147.0 – 204.75.147.255 | 256 | US |
allocated | 1994-08-31 | c10943f7c494… |
| 204.75.148.0 – 204.75.149.255 | 512 | US |
allocated | 1994-08-31 | c10943f7c494… |
| 204.128.8.0 – 204.128.15.255 | 2,048 | US |
allocated | 1994-08-31 | 22e1ae00c246… |
| 204.137.0.0 – 204.137.7.255 | 2,048 | US |
allocated | 1994-08-31 | 21a2c1106771… |
| 204.137.32.0 – 204.137.63.255 | 8,192 | US |
allocated | 1994-08-31 | 41f4d6c9722e… |
| 204.139.32.0 – 204.139.47.255 | 4,096 | US |
allocated | 1994-08-31 | 0fc2e3a3825e… |
| 204.139.48.0 – 204.139.51.255 | 1,024 | US |
allocated | 1994-08-31 | 0fc2e3a3825e… |
| 166.99.0.0 – 166.99.255.255 | 65,536 | US |
allocated | 1994-08-30 | 2394679019c7… |
| 199.175.105.0 – 199.175.105.255 | 256 |  CA |
allocated | 1994-08-30 | 4e37788b47b0… |
| 204.75.129.0 – 204.75.129.255 | 256 | US |
allocated | 1994-08-30 | 026d8447363b… |
| 204.75.130.0 – 204.75.131.255 | 512 | US |
allocated | 1994-08-30 | 3bc3267d31e8… |
| 204.75.132.0 – 204.75.132.255 | 256 | US |
allocated | 1994-08-30 | 3bc3267d31e8… |
| 204.75.133.0 – 204.75.133.255 | 256 | US |
allocated | 1994-08-30 | 8a0ee28001f5… |
| 204.75.134.0 – 204.75.134.255 | 256 | US |
allocated | 1994-08-30 | 8a0ee28001f5… |
| 204.75.135.0 – 204.75.135.255 | 256 | US |
allocated | 1994-08-30 | 39c375825945… |
| 204.75.136.0 – 204.75.136.255 | 256 | US |
allocated | 1994-08-30 | d9b66ccba967… |
| 204.75.137.0 – 204.75.137.255 | 256 | US |
allocated | 1994-08-30 | 99f291894510… |
| 204.75.138.0 – 204.75.139.255 | 512 | US |
allocated | 1994-08-30 | 3eb7e64b1c34… |
| 204.75.141.0 – 204.75.141.255 | 256 | US |
allocated | 1994-08-30 | 1b45e7cbcd1e… |
| 204.107.117.0 – 204.107.117.255 | 256 | US |
allocated | 1994-08-30 | a1805ff721bd… |
| 204.107.118.0 – 204.107.118.255 | 256 | US |
allocated | 1994-08-30 | f049e98124fd… |
| 204.107.119.0 – 204.107.119.255 | 256 | US |
allocated | 1994-08-30 | 94b455da12e3… |
| 204.107.120.0 – 204.107.120.255 | 256 | US |
allocated | 1994-08-30 | 96fd592f5445… |
| 204.107.121.0 – 204.107.121.255 | 256 | US |
allocated | 1994-08-30 | 0abeaacbbb6b… |
| 204.138.1.0 – 204.138.1.255 | 256 | CA |
allocated | 1994-08-30 | e0df55371306… |
| 204.138.2.0 – 204.138.3.255 | 512 | CA |
allocated | 1994-08-30 | e0df55371306… |