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 |
|---|---|---|---|---|---|
| 200.10.160.0 – 200.10.160.255 | 256 |  US |
allocated | 1994-05-05 | e31130723f44… |
| 204.4.0.0 – 204.7.255.255 | 262,144 | US |
allocated | 1994-05-05 | 37fe01d6d027… |
| 204.27.16.0 – 204.27.31.255 | 4,096 | US |
allocated | 1994-05-05 | 56f623f48d0d… |
| 198.203.208.0 – 198.203.211.255 | 1,024 | US |
allocated | 1994-05-04 | 65c68f8b3579… |
| 198.203.212.0 – 198.203.212.255 | 256 | US |
allocated | 1994-05-04 | 65c68f8b3579… |
| 198.203.214.0 – 198.203.214.255 | 256 | US |
allocated | 1994-05-04 | 52fdad44066a… |
| 199.201.223.0 – 199.201.223.255 | 256 | US |
allocated | 1994-05-04 | 99fa11e2843d… |
| 199.224.128.0 – 199.224.255.255 | 32,768 | US |
allocated | 1994-05-04 | 9a65a87e3abf… |
| 199.253.16.0 – 199.253.23.255 | 2,048 | US |
allocated | 1994-05-04 | fd39c7885176… |
| 199.253.24.0 – 199.253.25.255 | 512 | US |
allocated | 1994-05-04 | fd39c7885176… |
| 200.15.0.0 – 200.15.255.255 | 65,536 | US |
allocated | 1994-05-04 | 9f14454567a6… |
| 204.0.0.0 – 204.3.255.255 | 262,144 | US |
allocated | 1994-05-04 | 9f14454567a6… |
| 170.132.0.0 – 170.132.255.255 | 65,536 | US |
allocated | 1994-05-03 | d3529f254bc5… |
| 198.203.206.0 – 198.203.206.255 | 256 | US |
allocated | 1994-05-03 | cb39b00c77d1… |
| 198.203.207.0 – 198.203.207.255 | 256 | US |
allocated | 1994-05-03 | ee6781c9d3eb… |
| 199.201.213.0 – 199.201.213.255 | 256 | US |
allocated | 1994-05-03 | d0dd89eb47ff… |
| 199.201.214.0 – 199.201.214.255 | 256 | US |
allocated | 1994-05-03 | 561453242648… |
| 199.201.215.0 – 199.201.215.255 | 256 | US |
allocated | 1994-05-03 | 7148c92b2754… |
| 199.201.217.0 – 199.201.217.255 | 256 | US |
allocated | 1994-05-03 | 5c1a6c2c41fb… |
| 199.201.218.0 – 199.201.218.255 | 256 | US |
allocated | 1994-05-03 | 5c1a6c2c41fb… |
| 199.201.219.0 – 199.201.219.255 | 256 | US |
allocated | 1994-05-03 | 161fb0fc33bc… |
| 199.201.220.0 – 199.201.220.255 | 256 | US |
allocated | 1994-05-03 | 70cd9dcf94fe… |
| 199.248.16.0 – 199.248.23.255 | 2,048 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.248.24.0 – 199.248.27.255 | 1,024 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.248.28.0 – 199.248.29.255 | 512 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.248.30.0 – 199.248.30.255 | 256 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.201.203.0 – 199.201.203.255 | 256 | US |
allocated | 1994-05-02 | 199a3d77681f… |
| 199.201.204.0 – 199.201.204.255 | 256 | US |
allocated | 1994-05-02 | a0862b8491a3… |
| 199.201.205.0 – 199.201.205.255 | 256 | US |
allocated | 1994-05-02 | 5c1a6c2c41fb… |
| 199.201.206.0 – 199.201.207.255 | 512 | US |
allocated | 1994-05-02 | 040750e231e5… |
| 199.201.208.0 – 199.201.211.255 | 1,024 | US |
allocated | 1994-05-02 | ec2bd2dbe2f7… |
| 199.201.238.0 – 199.201.238.255 | 256 | US |
allocated | 1994-05-02 | b78b76c8958f… |
| 199.201.239.0 – 199.201.239.255 | 256 | US |
allocated | 1994-05-02 | 772212efdd7d… |
| 199.245.0.0 – 199.245.15.255 | 4,096 | US |
allocated | 1994-05-02 | 88a52c9c162b… |
| 199.249.0.0 – 199.249.7.255 | 2,048 | US |
allocated | 1994-05-02 | cdd84ebb08e4… |
| 199.249.16.0 – 199.249.31.255 | 4,096 | US |
allocated | 1994-05-02 | e220ed812a4c… |
| 199.250.16.0 – 199.250.31.255 | 4,096 | US |
allocated | 1994-05-02 | b121ce0c238d… |
| 199.251.0.0 – 199.251.255.255 | 65,536 | US |
allocated | 1994-05-02 | 45fe880b68a8… |
| 199.252.0.0 – 199.252.255.255 | 65,536 | US |
allocated | 1994-05-02 | 45fe880b68a8… |
| 170.128.0.0 – 170.128.255.255 | 65,536 | US |
allocated | 1994-04-29 | 81b071b3ff30… |
| 170.129.0.0 – 170.129.255.255 | 65,536 | US |
allocated | 1994-04-29 | f874ba60f9fd… |
| 170.131.0.0 – 170.131.255.255 | 65,536 | US |
allocated | 1994-04-29 | a2d4c7b03aef… |
| 170.141.0.0 – 170.141.255.255 | 65,536 | US |
allocated | 1994-04-29 | 3e324e6298e6… |
| 170.142.0.0 – 170.143.255.255 | 131,072 | US |
allocated | 1994-04-29 | 3e324e6298e6… |
| 199.165.32.0 – 199.165.63.255 | 8,192 | US |
allocated | 1994-04-29 | 1d9f406efe94… |
| 199.201.148.0 – 199.201.148.255 | 256 | US |
allocated | 1994-04-29 | b45ffa909eb1… |
| 199.201.149.0 – 199.201.149.255 | 256 | US |
allocated | 1994-04-29 | 6793062ddc55… |
| 199.201.150.0 – 199.201.150.255 | 256 | US |
allocated | 1994-04-29 | 41e331718715… |
| 199.201.151.0 – 199.201.151.255 | 256 | US |
allocated | 1994-04-29 | 6e5c9cac1b6c… |
| 199.201.152.0 – 199.201.152.255 | 256 | US |
allocated | 1994-04-29 | 6e5c9cac1b6c… |
| 199.201.153.0 – 199.201.153.255 | 256 | US |
allocated | 1994-04-29 | 3fc26c09bf03… |
| 199.201.154.0 – 199.201.155.255 | 512 | US |
allocated | 1994-04-29 | 3fc26c09bf03… |
| 199.201.156.0 – 199.201.157.255 | 512 | US |
allocated | 1994-04-29 | 3fc26c09bf03… |
| 199.201.158.0 – 199.201.158.255 | 256 | US |
allocated | 1994-04-29 | 3fc26c09bf03… |
| 199.201.159.0 – 199.201.159.255 | 256 | US |
allocated | 1994-04-29 | a25aa587b94e… |
| 199.201.160.0 – 199.201.160.255 | 256 | US |
allocated | 1994-04-29 | a2771945bc5e… |
| 199.201.169.0 – 199.201.169.255 | 256 | US |
allocated | 1994-04-29 | 5de83074f4c1… |
| 199.201.170.0 – 199.201.171.255 | 512 | US |
allocated | 1994-04-29 | e680480ec138… |
| 199.201.172.0 – 199.201.173.255 | 512 | US |
allocated | 1994-04-29 | e680480ec138… |
| 199.201.174.0 – 199.201.174.255 | 256 | US |
allocated | 1994-04-29 | 67d92407a0d0… |
| 199.201.175.0 – 199.201.175.255 | 256 | US |
allocated | 1994-04-29 | 33a63efafa98… |
| 199.201.176.0 – 199.201.177.255 | 512 | US |
allocated | 1994-04-29 | cba915237f15… |
| 199.201.178.0 – 199.201.179.255 | 512 | US |
allocated | 1994-04-29 | 919e2662d887… |
| 199.201.180.0 – 199.201.180.255 | 256 | US |
allocated | 1994-04-29 | e9eb62a4cd7f… |
| 199.201.181.0 – 199.201.181.255 | 256 | US |
allocated | 1994-04-29 | 2d74e9434138… |
| 199.201.182.0 – 199.201.182.255 | 256 | US |
allocated | 1994-04-29 | adc80b0b72ab… |
| 199.201.183.0 – 199.201.183.255 | 256 | US |
allocated | 1994-04-29 | 0d7f90c17486… |
| 199.201.184.0 – 199.201.184.255 | 256 | US |
allocated | 1994-04-29 | f7687cb89a1c… |
| 199.201.185.0 – 199.201.185.255 | 256 | US |
allocated | 1994-04-29 | cd27e9d28391… |
| 199.201.187.0 – 199.201.187.255 | 256 | US |
allocated | 1994-04-29 | fbf617dc4e71… |
| 199.201.188.0 – 199.201.188.255 | 256 | US |
allocated | 1994-04-29 | a07b41062998… |
| 199.201.189.0 – 199.201.189.255 | 256 | US |
allocated | 1994-04-29 | 8762a9187b85… |
| 199.201.190.0 – 199.201.190.255 | 256 | US |
allocated | 1994-04-29 | b68ce2939c7d… |
| 199.201.192.0 – 199.201.192.255 | 256 | US |
allocated | 1994-04-29 | be8e46ea77f2… |
| 199.201.193.0 – 199.201.193.255 | 256 | US |
allocated | 1994-04-29 | 6af3dbdad10c… |
| 199.201.194.0 – 199.201.194.255 | 256 | US |
allocated | 1994-04-29 | 73d1b595ac5c… |
| 199.201.195.0 – 199.201.195.255 | 256 | US |
allocated | 1994-04-29 | 30d864c457e2… |
| 199.201.196.0 – 199.201.196.255 | 256 | US |
allocated | 1994-04-29 | a7ffc604cab0… |
| 199.201.197.0 – 199.201.197.255 | 256 | US |
allocated | 1994-04-29 | 9f14454567a6… |
| 199.201.198.0 – 199.201.198.255 | 256 | US |
allocated | 1994-04-29 | adb3dcf2270e… |
| 199.201.199.0 – 199.201.199.255 | 256 | US |
allocated | 1994-04-29 | a5233c3f9c47… |
| 199.201.200.0 – 199.201.201.255 | 512 | US |
allocated | 1994-04-29 | 1ecd44f123c8… |
| 199.201.202.0 – 199.201.202.255 | 256 | US |
allocated | 1994-04-29 | 1ecd44f123c8… |
| 199.242.8.0 – 199.242.15.255 | 2,048 | US |
allocated | 1994-04-29 | 5649b1aecae4… |
| 199.248.8.0 – 199.248.15.255 | 2,048 | US |
allocated | 1994-04-29 | 3be4a216d9eb… |
| 199.248.32.0 – 199.248.47.255 | 4,096 | US |
allocated | 1994-04-29 | 571773a5f9dc… |
| 199.248.48.0 – 199.248.55.255 | 2,048 | US |
allocated | 1994-04-29 | 571773a5f9dc… |
| 199.248.56.0 – 199.248.59.255 | 1,024 | US |
allocated | 1994-04-29 | 571773a5f9dc… |
| 199.248.60.0 – 199.248.61.255 | 512 | US |
allocated | 1994-04-29 | 571773a5f9dc… |
| 157.54.0.0 – 157.55.255.255 | 131,072 | US |
allocated | 1994-04-28 | b004b3ecde24… |
| 157.56.0.0 – 157.59.255.255 | 262,144 | US |
allocated | 1994-04-28 | b004b3ecde24… |
| 157.60.0.0 – 157.60.255.255 | 65,536 | US |
allocated | 1994-04-28 | b004b3ecde24… |
| 168.133.0.0 – 168.133.255.255 | 65,536 | US |
allocated | 1994-04-28 | e4c007674027… |
| 170.127.0.0 – 170.127.255.255 | 65,536 | US |
allocated | 1994-04-28 | e220ed812a4c… |
| 198.203.182.0 – 198.203.182.255 | 256 | US |
allocated | 1994-04-28 | 7ae7bc5a8b28… |
| 198.203.183.0 – 198.203.183.255 | 256 | US |
allocated | 1994-04-28 | 992f1b7b33d1… |
| 198.203.184.0 – 198.203.184.255 | 256 | US |
allocated | 1994-04-28 | c696948475cc… |
| 198.203.185.0 – 198.203.185.255 | 256 | US |
allocated | 1994-04-28 | 31e1792f4e1f… |
| 198.203.188.0 – 198.203.188.255 | 256 | US |
allocated | 1994-04-28 | 6ef09378abf1… |
| 198.203.189.0 – 198.203.189.255 | 256 | US |
allocated | 1994-04-28 | 3ba1a6d886e4… |