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
1,645,666,816
📦
IPv4 networks
76,690
delegated blocks
🧭
IPv6 networks
11,349
delegated blocks
🔗
Autonomous systems
34,029
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.75.242.0 – 204.75.242.255 | 256 |  US |
allocated | 1994-09-09 | 6260f7a3b921… |
| 204.75.243.0 – 204.75.243.255 | 256 | US |
allocated | 1994-09-09 | 35f487e213b4… |
| 204.75.244.0 – 204.75.244.255 | 256 | US |
allocated | 1994-09-09 | 35f487e213b4… |
| 204.75.245.0 – 204.75.245.255 | 256 | US |
allocated | 1994-09-09 | e382b1ddea5c… |
| 204.75.246.0 – 204.75.246.255 | 256 | US |
allocated | 1994-09-09 | e4878dd3bcdf… |
| 204.75.247.0 – 204.75.247.255 | 256 | US |
allocated | 1994-09-09 | 486f20734552… |
| 199.244.222.0 – 199.244.222.255 | 256 | US |
allocated | 1994-09-08 | 27efedf33049… |
| 199.244.223.0 – 199.244.223.255 | 256 | US |
allocated | 1994-09-08 | 35a4e89fed03… |
| 199.244.224.0 – 199.244.224.255 | 256 | US |
allocated | 1994-09-08 | 8b9eeb0ec333… |
| 199.244.225.0 – 199.244.225.255 | 256 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.226.0 – 199.244.227.255 | 512 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.228.0 – 199.244.229.255 | 512 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.230.0 – 199.244.230.255 | 256 | US |
allocated | 1994-09-08 | 56170ff302c2… |
| 199.244.231.0 – 199.244.231.255 | 256 | US |
allocated | 1994-09-08 | 8498f389a83a… |
| 204.75.218.0 – 204.75.218.255 | 256 | US |
allocated | 1994-09-08 | 84c80fbe20ee… |
| 204.75.219.0 – 204.75.219.255 | 256 | US |
allocated | 1994-09-08 | 4dfb48e80f0a… |
| 204.75.220.0 – 204.75.220.255 | 256 | US |
allocated | 1994-09-08 | ec6e180ecfb9… |
| 204.75.221.0 – 204.75.221.255 | 256 | US |
allocated | 1994-09-08 | ec832666d84f… |
| 204.75.222.0 – 204.75.222.255 | 256 | US |
allocated | 1994-09-08 | 5b1a1e493d26… |
| 204.75.223.0 – 204.75.223.255 | 256 | US |
allocated | 1994-09-08 | 0599b2da90f2… |
| 204.75.224.0 – 204.75.224.255 | 256 | US |
allocated | 1994-09-08 | 63c36066783c… |
| 204.75.225.0 – 204.75.225.255 | 256 | US |
allocated | 1994-09-08 | edcee9e6ddbb… |
| 204.75.226.0 – 204.75.226.255 | 256 | US |
allocated | 1994-09-08 | 4078ebe14def… |
| 204.75.227.0 – 204.75.227.255 | 256 | US |
allocated | 1994-09-08 | 7dfdc5a3b426… |
| 204.75.228.0 – 204.75.228.255 | 256 | US |
allocated | 1994-09-08 | 0e8b8e477fe0… |
| 204.142.0.0 – 204.143.255.255 | 131,072 | US |
allocated | 1994-09-08 | 9f14454567a6… |
| 168.239.0.0 – 168.239.255.255 | 65,536 | US |
allocated | 1994-09-07 | 78fc833c0b8b… |
| 199.244.205.0 – 199.244.205.255 | 256 | US |
allocated | 1994-09-07 | ca43c272585c… |
| 199.244.206.0 – 199.244.207.255 | 512 | US |
allocated | 1994-09-07 | ca43c272585c… |
| 199.244.208.0 – 199.244.208.255 | 256 | US |
allocated | 1994-09-07 | ca43c272585c… |
| 199.244.209.0 – 199.244.209.255 | 256 | US |
allocated | 1994-09-07 | e8eeaa7ee173… |
| 199.244.210.0 – 199.244.211.255 | 512 | US |
allocated | 1994-09-07 | 1578c49d4b55… |
| 199.244.212.0 – 199.244.212.255 | 256 | US |
allocated | 1994-09-07 | 1578c49d4b55… |
| 199.244.213.0 – 199.244.213.255 | 256 | US |
allocated | 1994-09-07 | e2804d887b8e… |
| 199.244.214.0 – 199.244.215.255 | 512 | US |
allocated | 1994-09-07 | 7e13023e6f8a… |
| 199.244.216.0 – 199.244.219.255 | 1,024 | US |
allocated | 1994-09-07 | 7e13023e6f8a… |
| 199.254.0.0 – 199.254.7.255 | 2,048 | US |
allocated | 1994-09-07 | 0f443d34827a… |
| 204.52.64.0 – 204.52.95.255 | 8,192 | US |
allocated | 1994-09-07 | 985f9ec29035… |
| 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 | a5fdea6ded19… |
| 204.75.192.0 – 204.75.192.255 | 256 | US |
allocated | 1994-09-06 | a5fdea6ded19… |
| 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… |