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
1,645,583,360
📦
IPv4 networks
76,686
delegated blocks
🧭
IPv6 networks
11,342
delegated blocks
🔗
Autonomous systems
34,022
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.66.64.0 – 199.66.71.255 | 2,048 |  US |
allocated | 2011-12-21 | 90f9e877ce83… |
| 208.83.128.0 – 208.83.131.255 | 1,024 | US |
allocated | 2011-12-21 | 880706bb1f6c… |
| 24.212.128.0 – 24.212.255.255 | 32,768 |  CA |
allocated | 2011-12-20 | f20caf052996… |
| 199.59.120.0 – 199.59.123.255 | 1,024 | US |
allocated | 2011-12-20 | c83fc4435ab5… |
| 199.59.124.0 – 199.59.127.255 | 1,024 | US |
allocated | 2011-12-20 | 0cd1eb3ab370… |
| 205.207.178.0 – 205.207.178.255 | 256 | CA |
allocated | 2011-12-20 | 1a42f2bc723d… |
| 207.223.160.0 – 207.223.175.255 | 4,096 | US |
allocated | 2011-12-20 | 9d99e3f7d38d… |
| 100.43.96.0 – 100.43.127.255 | 8,192 | CA |
allocated | 2011-12-19 | aa1284f96cc4… |
| 199.59.96.0 – 199.59.99.255 | 1,024 | US |
allocated | 2011-12-19 | c0fd212b13d9… |
| 199.59.100.0 – 199.59.103.255 | 1,024 | US |
allocated | 2011-12-19 | 23b457dd7629… |
| 199.59.104.0 – 199.59.107.255 | 1,024 | US |
allocated | 2011-12-19 | 1a922969fbba… |
| 199.59.108.0 – 199.59.111.255 | 1,024 | US |
allocated | 2011-12-19 | 2f174894386d… |
| 199.59.112.0 – 199.59.115.255 | 1,024 | US |
allocated | 2011-12-19 | af02c503066d… |
| 199.59.116.0 – 199.59.119.255 | 1,024 | US |
allocated | 2011-12-19 | b6cf0cef5080… |
| 204.107.26.0 – 204.107.27.255 | 512 | US |
allocated | 2011-12-19 | 89611e9fcaa3… |
| 205.207.141.0 – 205.207.141.255 | 256 | US |
allocated | 2011-12-19 | c56e7924d47e… |
| 205.207.226.0 – 205.207.226.255 | 256 | US |
allocated | 2011-12-19 | 3d036790b4b8… |
| 100.42.224.0 – 100.42.239.255 | 4,096 | US |
allocated | 2011-12-16 | 276942e81284… |
| 100.42.240.0 – 100.42.255.255 | 4,096 | CA |
allocated | 2011-12-16 | 0bdb9de83224… |
| 100.43.192.0 – 100.43.255.255 | 16,384 | US |
allocated | 2011-12-16 | b0eabe23f5c8… |
| 199.59.80.0 – 199.59.83.255 | 1,024 | US |
allocated | 2011-12-16 | 65bf32d2bf46… |
| 199.59.84.0 – 199.59.87.255 | 1,024 | US |
allocated | 2011-12-16 | 7a7ec3cccb8f… |
| 199.59.88.0 – 199.59.95.255 | 2,048 | US |
allocated | 2011-12-16 | cfeebe4bec39… |
| 205.207.95.0 – 205.207.95.255 | 256 | US |
allocated | 2011-12-16 | 1ff23aa6ef84… |
| 199.59.52.0 – 199.59.55.255 | 1,024 | US |
allocated | 2011-12-15 | 31a6d1e92a08… |
| 199.59.72.0 – 199.59.75.255 | 1,024 | US |
allocated | 2011-12-15 | 6efa21574bf3… |
| 24.204.144.0 – 24.204.159.255 | 4,096 | CA |
allocated | 2011-12-14 | df04ba7e5e16… |
| 100.42.208.0 – 100.42.223.255 | 4,096 | US |
allocated | 2011-12-14 | acde290f3987… |
| 199.59.48.0 – 199.59.51.255 | 1,024 | US |
allocated | 2011-12-14 | dbeb8fd946da… |
| 199.59.56.0 – 199.59.63.255 | 2,048 | US |
allocated | 2011-12-14 | a6b65597e29a… |
| 199.58.108.0 – 199.58.111.255 | 1,024 | US |
allocated | 2011-12-13 | 67ce42f5d914… |
| 199.58.112.0 – 199.58.115.255 | 1,024 | US |
allocated | 2011-12-13 | b725a263242e… |
| 199.58.116.0 – 199.58.119.255 | 1,024 | CA |
allocated | 2011-12-13 | 32c7650df951… |
| 204.107.10.0 – 204.107.11.255 | 512 | US |
allocated | 2011-12-13 | fc7424a98519… |
| 205.196.201.0 – 205.196.201.255 | 256 | US |
allocated | 2011-12-13 | a815b7f0df9d… |
| 205.207.0.0 – 205.207.0.255 | 256 | US |
allocated | 2011-12-13 | 8cc9da66a573… |
| 24.100.192.0 – 24.100.255.255 | 16,384 | CA |
allocated | 2011-12-12 | f046ddd53b88… |
| 100.42.192.0 – 100.42.193.255 | 512 | US |
allocated | 2011-12-12 | f3da36c44a30… |
| 100.42.194.0 – 100.42.194.255 | 256 | US |
allocated | 2011-12-12 | f3da36c44a30… |
| 100.42.196.0 – 100.42.199.255 | 1,024 | US |
allocated | 2011-12-12 | f3da36c44a30… |
| 100.42.200.0 – 100.42.207.255 | 2,048 | US |
allocated | 2011-12-12 | f3da36c44a30… |
| 199.58.84.0 – 199.58.87.255 | 1,024 | US |
allocated | 2011-12-12 | 920d0c66f3d2… |
| 199.58.96.0 – 199.58.103.255 | 2,048 | US |
allocated | 2011-12-12 | b809f80ec9cb… |
| 199.58.104.0 – 199.58.107.255 | 1,024 | US |
allocated | 2011-12-12 | f8450b79e3a6… |
| 199.58.76.0 – 199.58.79.255 | 1,024 | US |
allocated | 2011-12-09 | 6e94d2cdebb3… |
| 199.58.80.0 – 199.58.83.255 | 1,024 | CA |
allocated | 2011-12-09 | a9518273199b… |
| 108.167.0.0 – 108.167.127.255 | 32,768 | US |
allocated | 2011-12-08 | d2fc8fbc818f… |
| 199.48.120.0 – 199.48.123.255 | 1,024 | US |
allocated | 2011-12-08 | e3e869369a23… |
| 199.48.124.0 – 199.48.127.255 | 1,024 | US |
allocated | 2011-12-08 | d2799073540d… |
| 199.58.64.0 – 199.58.71.255 | 2,048 | US |
allocated | 2011-12-08 | 615a7fa1a5f1… |
| 199.58.72.0 – 199.58.75.255 | 1,024 | US |
allocated | 2011-12-08 | 15085bb845e3… |
| 204.90.10.0 – 204.90.11.255 | 512 | US |
allocated | 2011-12-08 | 65f980c774e7… |
| 24.157.32.0 – 24.157.63.255 | 8,192 | US |
allocated | 2011-12-07 | e20eab1adbed… |
| 199.48.104.0 – 199.48.107.255 | 1,024 | US |
allocated | 2011-12-07 | ebdde396357b… |
| 199.48.108.0 – 199.48.111.255 | 1,024 | US |
allocated | 2011-12-07 | 31e5b2724cd6… |
| 199.48.112.0 – 199.48.119.255 | 2,048 | US |
allocated | 2011-12-07 | 88a63c2539ed… |
| 204.89.58.0 – 204.89.59.255 | 512 | US |
allocated | 2011-12-07 | a2e017331a7b… |
| 205.196.98.0 – 205.196.98.255 | 256 | US |
allocated | 2011-12-07 | 327563553ba5… |
| 108.166.0.0 – 108.166.127.255 | 32,768 | US |
allocated | 2011-12-06 | c66e83fbb76c… |
| 199.48.96.0 – 199.48.99.255 | 1,024 | US |
allocated | 2011-12-06 | 6198f7978a83… |
| 199.48.100.0 – 199.48.103.255 | 1,024 | CA |
allocated | 2011-12-06 | 6a1d9c8a13ee… |
| 204.88.190.0 – 204.88.191.255 | 512 | US |
allocated | 2011-12-06 | 423b17c30f95… |
| 205.237.79.0 – 205.237.79.255 | 256 | US |
allocated | 2011-12-06 | 0aed2df7a7a0… |
| 100.42.144.0 – 100.42.159.255 | 4,096 | US |
allocated | 2011-12-05 | 0589f1798bea… |
| 100.42.160.0 – 100.42.175.255 | 4,096 | US |
allocated | 2011-12-05 | 4388203e85da… |
| 100.43.32.0 – 100.43.63.255 | 8,192 | US |
allocated | 2011-12-05 | 1a3ca27977b7… |
| 199.48.68.0 – 199.48.71.255 | 1,024 | US |
allocated | 2011-12-05 | a29842d37a86… |
| 199.48.80.0 – 199.48.83.255 | 1,024 | US |
allocated | 2011-12-05 | 48e15959ba30… |
| 199.48.84.0 – 199.48.87.255 | 1,024 | US |
allocated | 2011-12-05 | b5d53554b393… |
| 199.48.88.0 – 199.48.91.255 | 1,024 | US |
allocated | 2011-12-05 | 01847f024046… |
| 100.43.0.0 – 100.43.31.255 | 8,192 | US |
allocated | 2011-12-02 | 0778f38ce84f… |
| 199.47.124.0 – 199.47.127.255 | 1,024 | CA |
allocated | 2011-12-02 | 60725bea2095… |
| 199.48.48.0 – 199.48.51.255 | 1,024 | US |
allocated | 2011-12-02 | 07b4afc6ca39… |
| 199.48.52.0 – 199.48.55.255 | 1,024 | US |
allocated | 2011-12-02 | af8e5e1824f6… |
| 199.48.56.0 – 199.48.59.255 | 1,024 | US |
allocated | 2011-12-02 | 1a922969fbba… |
| 199.48.64.0 – 199.48.67.255 | 1,024 | CA |
allocated | 2011-12-02 | 68da247ac938… |
| 199.48.72.0 – 199.48.79.255 | 2,048 | US |
allocated | 2011-12-02 | 3134ea2dc0dd… |
| 205.236.255.0 – 205.236.255.255 | 256 | US |
allocated | 2011-12-02 | 8168ade388f7… |
| 205.237.25.0 – 205.237.25.255 | 256 | US |
allocated | 2011-12-02 | 512d4b2fc95c… |
| 100.42.128.0 – 100.42.143.255 | 4,096 | US |
allocated | 2011-12-01 | 9818d4554c83… |
| 199.47.112.0 – 199.47.115.255 | 1,024 | US |
allocated | 2011-12-01 | ee04933f86dc… |
| 199.47.116.0 – 199.47.119.255 | 1,024 | US |
allocated | 2011-12-01 | ef5abf1a1112… |
| 199.47.120.0 – 199.47.123.255 | 1,024 | US |
allocated | 2011-12-01 | 49e713422bbf… |
| 205.236.127.0 – 205.236.127.255 | 256 | US |
allocated | 2011-12-01 | 7ba0f62a755e… |
| 205.237.0.0 – 205.237.0.255 | 256 | US |
allocated | 2011-12-01 | 26859ae2e3c5… |
| 100.42.112.0 – 100.42.127.255 | 4,096 | US |
allocated | 2011-11-30 | f3bd03027c95… |
| 108.163.128.0 – 108.163.191.255 | 16,384 | CA |
allocated | 2011-11-30 | 6ea4dd5a36c2… |
| 199.47.88.0 – 199.47.95.255 | 2,048 | US |
allocated | 2011-11-30 | a93773ad321b… |
| 199.47.96.0 – 199.47.103.255 | 2,048 | US |
allocated | 2011-11-30 | 4431b9cb4ed9… |
| 199.47.104.0 – 199.47.111.255 | 2,048 | US |
allocated | 2011-11-30 | 195f15f0822c… |
| 100.42.96.0 – 100.42.111.255 | 4,096 | US |
allocated | 2011-11-29 | e6ee39459798… |
| 199.46.124.0 – 199.46.127.255 | 1,024 | US |
allocated | 2011-11-29 | 3be6dc17f45a… |
| 199.47.48.0 – 199.47.51.255 | 1,024 | CA |
allocated | 2011-11-29 | 8877503ee0a0… |
| 199.47.52.0 – 199.47.55.255 | 1,024 |  BB |
allocated | 2011-11-29 | c50fbcc97362… |
| 199.47.56.0 – 199.47.63.255 | 2,048 | CA |
allocated | 2011-11-29 | 5e11c5d02e13… |
| 199.47.64.0 – 199.47.67.255 | 1,024 | US |
allocated | 2011-11-29 | 906075743ca1… |
| 199.47.68.0 – 199.47.71.255 | 1,024 | US |
allocated | 2011-11-29 | f8de33b7dc03… |
| 199.47.72.0 – 199.47.79.255 | 2,048 | US |
allocated | 2011-11-29 | b8cd515cd69c… |
| 199.47.80.0 – 199.47.87.255 | 2,048 | US |
allocated | 2011-11-29 | 19d34b8e403e… |
| 204.93.64.0 – 204.93.95.255 | 8,192 | US |
allocated | 2011-11-29 | 4012f6cae25d… |