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 |
|---|---|---|---|---|---|
| 204.209.192.0 – 204.209.207.255 | 4,096 |  CA |
allocated | 1994-12-11 | f9612e5b5b0b… |
| 204.209.208.0 – 204.209.215.255 | 2,048 | CA |
allocated | 1994-12-11 | f6378853cc62… |
| 204.209.216.0 – 204.209.219.255 | 1,024 | CA |
allocated | 1994-12-11 | ebdfad919611… |
| 204.209.220.0 – 204.209.221.255 | 512 | CA |
allocated | 1994-12-11 | ebdfad919611… |
| 204.209.222.0 – 204.209.222.255 | 256 | CA |
allocated | 1994-12-11 | 2a23565622e5… |
| 204.209.223.0 – 204.209.223.255 | 256 | CA |
allocated | 1994-12-11 | 10fec9c49b82… |
| 204.209.224.0 – 204.209.239.255 | 4,096 | CA |
allocated | 1994-12-11 | 10fec9c49b82… |
| 204.209.240.0 – 204.209.247.255 | 2,048 | CA |
allocated | 1994-12-11 | 10fec9c49b82… |
| 204.209.248.0 – 204.209.249.255 | 512 |  US |
allocated | 1994-12-11 | f24a794c5944… |
| 204.209.250.0 – 204.209.250.255 | 256 | CA |
allocated | 1994-12-11 | f8933f9a0735… |
| 204.209.252.0 – 204.209.253.255 | 512 | CA |
allocated | 1994-12-11 | 41e8c2f74d5e… |
| 204.210.0.0 – 204.210.255.255 | 65,536 | US |
allocated | 1994-12-11 | d2fc8fbc818f… |
| 204.212.0.0 – 204.215.255.255 | 262,144 | US |
allocated | 1994-12-11 | 37fe01d6d027… |
| 204.27.250.0 – 204.27.250.255 | 256 | US |
allocated | 1994-12-09 | 6d25f5314a15… |
| 204.27.251.0 – 204.27.251.255 | 256 | US |
allocated | 1994-12-09 | 944bb4bf60c6… |
| 204.27.252.0 – 204.27.252.255 | 256 | US |
allocated | 1994-12-09 | 351718dc4690… |
| 204.27.253.0 – 204.27.253.255 | 256 | US |
allocated | 1994-12-09 | 0596821a6910… |
| 204.27.254.0 – 204.27.254.255 | 256 | US |
allocated | 1994-12-09 | cbc3e8f334e4… |
| 204.27.255.0 – 204.27.255.255 | 256 | US |
allocated | 1994-12-09 | 351728bd30a9… |
| 204.63.240.0 – 204.63.247.255 | 2,048 | US |
allocated | 1994-12-09 | fc1ff0fd7834… |
| 204.86.168.0 – 204.86.175.255 | 2,048 | US |
allocated | 1994-12-09 | fc1ff0fd7834… |
| 204.86.176.0 – 204.86.183.255 | 2,048 | US |
allocated | 1994-12-09 | fc1ff0fd7834… |
| 204.87.128.0 – 204.87.128.255 | 256 | US |
allocated | 1994-12-09 | a997e061a16a… |
| 204.87.129.0 – 204.87.129.255 | 256 | CA |
allocated | 1994-12-09 | 7b62a81054c6… |
| 204.87.130.0 – 204.87.130.255 | 256 | US |
allocated | 1994-12-09 | aedaa45f0951… |
| 204.147.96.0 – 204.147.111.255 | 4,096 | US |
allocated | 1994-12-09 | c8188fbadaf5… |
| 204.153.148.0 – 204.153.151.255 | 1,024 | US |
allocated | 1994-12-09 | 22a5e06f2a18… |
| 204.27.232.0 – 204.27.232.255 | 256 | US |
allocated | 1994-12-08 | 6154750e26cb… |
| 204.27.234.0 – 204.27.234.255 | 256 | US |
allocated | 1994-12-08 | 40a952bef54f… |
| 204.27.235.0 – 204.27.235.255 | 256 | US |
allocated | 1994-12-08 | c0ff1599838f… |
| 204.27.236.0 – 204.27.236.255 | 256 | US |
allocated | 1994-12-08 | 3acc103b7c7d… |
| 204.27.238.0 – 204.27.238.255 | 256 | US |
allocated | 1994-12-08 | c1e2e0bd2a89… |
| 204.27.239.0 – 204.27.239.255 | 256 | US |
allocated | 1994-12-08 | b2025c8849cc… |
| 204.27.240.0 – 204.27.240.255 | 256 | US |
allocated | 1994-12-08 | 0a62fa3a02b2… |
| 204.27.241.0 – 204.27.241.255 | 256 | US |
allocated | 1994-12-08 | de6ab41aa03e… |
| 204.27.242.0 – 204.27.242.255 | 256 | US |
allocated | 1994-12-08 | 4b09b82180f6… |
| 204.27.243.0 – 204.27.243.255 | 256 | US |
allocated | 1994-12-08 | 8090f968988c… |
| 204.27.245.0 – 204.27.245.255 | 256 | US |
allocated | 1994-12-08 | d3b41ff0e670… |
| 204.27.246.0 – 204.27.246.255 | 256 | US |
allocated | 1994-12-08 | 333e3249f125… |
| 204.27.247.0 – 204.27.247.255 | 256 | US |
allocated | 1994-12-08 | a67fbf34394b… |
| 204.27.248.0 – 204.27.248.255 | 256 | US |
allocated | 1994-12-08 | 448bc0fa4ee9… |
| 204.130.218.0 – 204.130.218.255 | 256 | US |
allocated | 1994-12-08 | b4ffe828ecfa… |
| 204.130.219.0 – 204.130.219.255 | 256 | US |
allocated | 1994-12-08 | 440a37e399a6… |
| 204.152.54.0 – 204.152.55.255 | 512 | US |
allocated | 1994-12-08 | 08ab6b7bc69d… |
| 204.152.56.0 – 204.152.57.255 | 512 | US |
allocated | 1994-12-08 | fac59c368247… |
| 204.152.58.0 – 204.152.59.255 | 512 | US |
allocated | 1994-12-08 | 1a8c8a99c186… |
| 204.193.128.0 – 204.193.159.255 | 8,192 | US |
allocated | 1994-12-08 | 11605ea9b000… |
| 204.27.216.0 – 204.27.216.255 | 256 | US |
allocated | 1994-12-07 | 36fab30bd355… |
| 204.27.217.0 – 204.27.217.255 | 256 | US |
allocated | 1994-12-07 | da48ea4ad47c… |
| 204.27.218.0 – 204.27.218.255 | 256 | US |
allocated | 1994-12-07 | a03c78cae845… |
| 204.27.219.0 – 204.27.219.255 | 256 | US |
allocated | 1994-12-07 | 6af3dbdad10c… |
| 204.27.220.0 – 204.27.220.255 | 256 | US |
allocated | 1994-12-07 | 6a55eae4a297… |
| 204.27.223.0 – 204.27.223.255 | 256 | US |
allocated | 1994-12-07 | 0fcdb699f442… |
| 204.27.224.0 – 204.27.224.255 | 256 |  PR |
allocated | 1994-12-07 | 73de55437e83… |
| 204.27.225.0 – 204.27.225.255 | 256 | US |
allocated | 1994-12-07 | f111e543866d… |
| 204.27.226.0 – 204.27.226.255 | 256 | US |
allocated | 1994-12-07 | bc79f1f5d320… |
| 204.27.228.0 – 204.27.228.255 | 256 | US |
allocated | 1994-12-07 | 1c7c31a495ae… |
| 204.27.229.0 – 204.27.229.255 | 256 | US |
allocated | 1994-12-07 | 96fcaccf0796… |
| 204.27.230.0 – 204.27.230.255 | 256 | US |
allocated | 1994-12-07 | 4ce98ae6cc29… |
| 204.27.231.0 – 204.27.231.255 | 256 | US |
allocated | 1994-12-07 | f61ecb013330… |
| 204.63.232.0 – 204.63.239.255 | 2,048 | US |
allocated | 1994-12-07 | aef0025b1bf7… |
| 204.79.128.0 – 204.79.128.255 | 256 |  DE |
allocated | 1994-12-07 | bb6adee4aa3f… |
| 204.86.152.0 – 204.86.159.255 | 2,048 | US |
allocated | 1994-12-07 | 4a58e6f90629… |
| 204.86.160.0 – 204.86.167.255 | 2,048 | US |
allocated | 1994-12-07 | 4a58e6f90629… |
| 204.126.108.0 – 204.126.109.255 | 512 | US |
allocated | 1994-12-07 | cbc131be893b… |
| 170.207.0.0 – 170.207.255.255 | 65,536 | US |
allocated | 1994-12-06 | f24a794c5944… |
| 204.27.214.0 – 204.27.214.255 | 256 | US |
allocated | 1994-12-06 | 4b196fb8e552… |
| 204.27.215.0 – 204.27.215.255 | 256 | US |
allocated | 1994-12-06 | 145b18e0cb04… |
| 204.80.96.0 – 204.80.99.255 | 1,024 | US |
allocated | 1994-12-06 | c5d7d9348bf2… |
| 199.123.78.0 – 199.123.78.255 | 256 | US |
allocated | 1994-12-05 | 45fe880b68a8… |
| 199.123.79.0 – 199.123.79.255 | 256 | US |
allocated | 1994-12-05 | 45fe880b68a8… |
| 204.204.0.0 – 204.207.255.255 | 262,144 | US |
allocated | 1994-12-05 | 37fe01d6d027… |
| 146.208.0.0 – 146.208.255.255 | 65,536 | US |
allocated | 1994-12-02 | 57cdc40a8929… |
| 146.209.0.0 – 146.209.255.255 | 65,536 | US |
allocated | 1994-12-02 | 99eed6e5c263… |
| 149.101.0.0 – 149.101.255.255 | 65,536 | US |
allocated | 1994-12-02 | eb5ec0eab2c1… |
| 170.204.0.0 – 170.204.255.255 | 65,536 | US |
allocated | 1994-12-02 | d9fef8821d8f… |
| 170.206.0.0 – 170.206.255.255 | 65,536 | US |
allocated | 1994-12-02 | c4fef8e680d3… |
| 204.130.206.0 – 204.130.206.255 | 256 | US |
allocated | 1994-12-02 | ff5d098a3a2d… |
| 204.130.207.0 – 204.130.207.255 | 256 | US |
allocated | 1994-12-02 | cdb6370dead8… |
| 204.130.208.0 – 204.130.208.255 | 256 | US |
allocated | 1994-12-02 | 0ed5f8f809e6… |
| 204.130.210.0 – 204.130.210.255 | 256 | US |
allocated | 1994-12-02 | bb8b7637e6eb… |
| 204.130.211.0 – 204.130.211.255 | 256 | US |
allocated | 1994-12-02 | 5d1c07b0f63b… |
| 204.130.212.0 – 204.130.212.255 | 256 | US |
allocated | 1994-12-02 | 5b0bc20f1fe8… |
| 204.130.213.0 – 204.130.213.255 | 256 | US |
allocated | 1994-12-02 | 7f22ce27b356… |
| 204.130.214.0 – 204.130.214.255 | 256 | US |
allocated | 1994-12-02 | ac63088dd50b… |
| 204.130.215.0 – 204.130.215.255 | 256 | US |
allocated | 1994-12-02 | ddcc9a8f7807… |
| 204.152.52.0 – 204.152.53.255 | 512 | US |
allocated | 1994-12-02 | 029fa2abe036… |
| 204.194.24.0 – 204.194.27.255 | 1,024 | US |
allocated | 1994-12-02 | 1fd660ca4c6c… |
| 204.194.28.0 – 204.194.31.255 | 1,024 | US |
allocated | 1994-12-02 | 859ff8395a14… |
| 204.200.0.0 – 204.203.255.255 | 262,144 | US |
allocated | 1994-12-02 | 9f14454567a6… |
| 170.203.240.0 – 170.203.255.255 | 4,096 | US |
allocated | 1994-12-01 | 2cb01a564abc… |
| 204.86.120.0 – 204.86.127.255 | 2,048 | US |
allocated | 1994-12-01 | 43176634e68a… |
| 204.86.128.0 – 204.86.129.255 | 512 | US |
allocated | 1994-12-01 | 43176634e68a… |
| 204.140.128.0 – 204.140.255.255 | 32,768 | US |
allocated | 1994-12-01 | bbdb6077350f… |
| 204.144.151.0 – 204.144.151.255 | 256 | US |
allocated | 1994-12-01 | 5cec1b2235f6… |
| 204.209.251.0 – 204.209.251.255 | 256 | CA |
allocated | 1994-12-01 | 0854f1152d63… |
| 169.150.2.0 – 169.150.3.255 | 512 | US |
allocated | 1994-11-30 | 9686c5c3e7e1… |
| 169.150.96.0 – 169.150.99.255 | 1,024 | US |
allocated | 1994-11-30 | 9686c5c3e7e1… |
| 169.150.128.0 – 169.150.131.255 | 1,024 | US |
allocated | 1994-11-30 | 9686c5c3e7e1… |
| 196.1.138.0 – 196.1.139.255 | 512 |  JM |
allocated | 1994-11-30 | 5670b17dd30b… |