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
1,645,629,696
📦
IPv4 networks
76,708
delegated blocks
🧭
IPv6 networks
11,353
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.203.231.0 – 192.203.231.255 | 256 |  US |
allocated | 2015-09-18 | 7f69dbafe6e0… |
| 199.26.164.0 – 199.26.164.255 | 256 | US |
allocated | 2015-09-18 | 9d561a993c2a… |
| 199.85.200.0 – 199.85.200.255 | 256 | US |
allocated | 2015-09-18 | 01e10c5ae8d1… |
| 199.87.1.0 – 199.87.1.255 | 256 | US |
allocated | 2015-09-18 | 0b43d9b16a96… |
| 199.88.243.0 – 199.88.243.255 | 256 | US |
allocated | 2015-09-18 | 36991a29ee36… |
| 199.89.129.0 – 199.89.129.255 | 256 | US |
allocated | 2015-09-18 | 38f464f8c72a… |
| 205.166.22.0 – 205.166.22.255 | 256 | US |
allocated | 2015-09-18 | 2610989069d1… |
| 206.51.33.0 – 206.51.33.255 | 256 | US |
allocated | 2015-09-18 | a42cc5e1406a… |
| 206.51.35.0 – 206.51.35.255 | 256 | US |
allocated | 2015-09-18 | b00e686eceba… |
| 69.12.41.0 – 69.12.41.255 | 256 | US |
allocated | 2015-09-17 | 71d20b0b8ec0… |
| 146.20.0.0 – 146.20.255.255 | 65,536 | US |
allocated | 2015-09-17 | c66e83fbb76c… |
| 199.190.209.0 – 199.190.209.255 | 256 | US |
allocated | 2015-09-17 | acbfd4ef2d9f… |
| 204.69.235.0 – 204.69.235.255 | 256 | US |
allocated | 2015-09-17 | 07989eb74a74… |
| 204.152.99.0 – 204.152.99.255 | 256 | US |
allocated | 2015-09-17 | d6882dda3a8a… |
| 204.225.113.0 – 204.225.113.255 | 256 |  CA |
allocated | 2015-09-17 | e13fd4e261af… |
| 206.53.141.0 – 206.53.141.255 | 256 |  DM |
allocated | 2015-09-17 | 4c688c6df92f… |
| 162.222.52.0 – 162.222.55.255 | 1,024 | US |
allocated | 2015-09-16 | ff3be2ed6da6… |
| 192.160.24.0 – 192.160.24.255 | 256 | US |
allocated | 2015-09-16 | 5a26e76fda7b… |
| 199.89.194.0 – 199.89.194.255 | 256 | US |
allocated | 2015-09-16 | d5eabb56a7b8… |
| 204.89.220.0 – 204.89.220.255 | 256 | US |
allocated | 2015-09-16 | 983fb8363f2b… |
| 23.160.0.0 – 23.160.0.255 | 256 | US |
allocated | 2015-09-15 | d8512493772d… |
| 199.9.57.0 – 199.9.57.255 | 256 | CA |
allocated | 2015-09-15 | 7381b6f8f03d… |
| 199.79.231.0 – 199.79.231.255 | 256 | US |
allocated | 2015-09-15 | 99144f184e0b… |
| 199.85.63.0 – 199.85.63.255 | 256 | US |
allocated | 2015-09-15 | dc453267fa13… |
| 66.85.43.0 – 66.85.43.255 | 256 | US |
allocated | 2015-09-14 | f57eae0207e9… |
| 199.73.81.0 – 199.73.81.255 | 256 | US |
allocated | 2015-09-14 | ce9ad842bc7a… |
| 199.88.191.0 – 199.88.191.255 | 256 | US |
allocated | 2015-09-14 | 1b71151f315f… |
| 155.254.131.0 – 155.254.131.255 | 256 | US |
allocated | 2015-09-11 | cf1238f0fa72… |
| 161.47.0.0 – 161.47.255.255 | 65,536 | US |
allocated | 2015-09-11 | c66e83fbb76c… |
| 192.211.11.0 – 192.211.11.255 | 256 | US |
allocated | 2015-09-11 | 1ab4c061e947… |
| 199.48.13.0 – 199.48.13.255 | 256 | US |
allocated | 2015-09-11 | df88b4475be0… |
| 199.68.53.0 – 199.68.53.255 | 256 | US |
allocated | 2015-09-11 | 0537e9c7e3d3… |
| 64.191.16.0 – 64.191.31.255 | 4,096 | US |
allocated | 2015-09-10 | b4ae13b35614… |
| 192.131.109.0 – 192.131.109.255 | 256 | CA |
allocated | 2015-09-10 | 28245c818244… |
| 199.43.198.0 – 199.43.198.255 | 256 | US |
allocated | 2015-09-10 | dfe5691a9024… |
| 199.71.186.0 – 199.71.186.255 | 256 | US |
allocated | 2015-09-10 | 9386ac142690… |
| 199.71.209.0 – 199.71.209.255 | 256 | US |
allocated | 2015-09-10 | ed954c89454b… |
| 207.54.0.0 – 207.54.31.255 | 8,192 | US |
allocated | 2015-09-10 | 1e6690cba022… |
| 148.78.64.0 – 148.78.64.255 | 256 | US |
allocated | 2015-09-09 | fb1355a6de3d… |
| 192.207.62.0 – 192.207.62.255 | 256 | US |
allocated | 2015-09-09 | 2169e55b4cce… |
| 199.5.189.0 – 199.5.189.255 | 256 | US |
allocated | 2015-09-09 | 77d1d8853329… |
| 199.47.39.0 – 199.47.39.255 | 256 | US |
allocated | 2015-09-09 | 4c939e28d069… |
| 199.60.255.0 – 199.60.255.255 | 256 | US |
allocated | 2015-09-09 | 2c8c11f1b420… |
| 199.85.7.0 – 199.85.7.255 | 256 | US |
allocated | 2015-09-09 | 98e1a17a6843… |
| 47.208.0.0 – 47.223.255.255 | 1,048,576 | US |
allocated | 2015-09-08 | dc28ffe4a49a… |
| 192.184.5.0 – 192.184.5.255 | 256 | US |
allocated | 2015-09-08 | 318bbbc7b1d6… |
| 192.203.98.0 – 192.203.98.255 | 256 | US |
allocated | 2015-09-08 | 0b71ac006f40… |
| 192.207.0.0 – 192.207.0.255 | 256 | US |
allocated | 2015-09-08 | 4da59e353de8… |
| 192.251.128.0 – 192.251.128.255 | 256 | US |
allocated | 2015-09-08 | 694630dfefe5… |
| 199.74.162.0 – 199.74.162.255 | 256 | US |
allocated | 2015-09-08 | ab9a54e43621… |
| 199.83.25.0 – 199.83.25.255 | 256 | US |
allocated | 2015-09-08 | 1c2ef5389c48… |
| 199.84.255.0 – 199.84.255.255 | 256 | US |
allocated | 2015-09-08 | 3d1e4f2fe329… |
| 199.245.208.0 – 199.245.209.255 | 512 | US |
allocated | 2015-09-08 | cd251a82a16a… |
| 216.41.143.0 – 216.41.143.255 | 256 | US |
allocated | 2015-09-08 | 5bb0a156bff2… |
| 66.85.12.0 – 66.85.12.255 | 256 | CA |
allocated | 2015-09-04 | 59d57818cee8… |
| 69.12.38.0 – 69.12.38.255 | 256 | US |
allocated | 2015-09-04 | 861d9b366d4c… |
| 199.38.148.0 – 199.38.148.255 | 256 | US |
allocated | 2015-09-04 | eeb58f9e11de… |
| 199.79.172.0 – 199.79.172.255 | 256 | US |
allocated | 2015-09-04 | 3f64c1ccefd6… |
| 146.88.148.0 – 146.88.148.255 | 256 | US |
allocated | 2015-09-03 | d9d359dd3606… |
| 192.188.91.0 – 192.188.91.255 | 256 | US |
allocated | 2015-09-03 | e77a99d08173… |
| 192.206.63.0 – 192.206.63.255 | 256 | US |
allocated | 2015-09-03 | bb9d4b24139a… |
| 192.229.0.0 – 192.229.0.255 | 256 | US |
allocated | 2015-09-03 | 3df02c2ebcb7… |
| 199.16.31.0 – 199.16.31.255 | 256 | US |
allocated | 2015-09-03 | 45410029dc4f… |
| 199.33.143.0 – 199.33.143.255 | 256 | US |
allocated | 2015-09-03 | 4dbe92647d2b… |
| 199.38.25.0 – 199.38.25.255 | 256 | US |
allocated | 2015-09-03 | 844d03f64d8d… |
| 199.43.184.0 – 199.43.184.255 | 256 | US |
allocated | 2015-09-03 | 7f75b8e6c16c… |
| 199.79.156.0 – 199.79.156.255 | 256 | US |
allocated | 2015-09-03 | 398fb0a40b27… |
| 45.2.0.0 – 45.2.255.255 | 65,536 | CA |
allocated | 2015-09-02 | 8425bc3ad9d6… |
| 45.3.0.0 – 45.3.31.255 | 8,192 | CA |
allocated | 2015-09-02 | eaf29acc2780… |
| 45.3.128.0 – 45.3.255.255 | 32,768 | US |
allocated | 2015-09-02 | de94a62ce8f9… |
| 52.192.0.0 – 52.207.255.255 | 1,048,576 | US |
allocated | 2015-09-02 | 4a8a91b5b89d… |
| 52.208.0.0 – 52.215.255.255 | 524,288 | US |
allocated | 2015-09-02 | 4a8a91b5b89d… |
| 52.216.0.0 – 52.219.255.255 | 262,144 | US |
allocated | 2015-09-02 | 4a8a91b5b89d… |
| 52.220.0.0 – 52.221.255.255 | 131,072 | US |
allocated | 2015-09-02 | 4a8a91b5b89d… |
| 52.222.0.0 – 52.222.255.255 | 65,536 | US |
allocated | 2015-09-02 | 4a8a91b5b89d… |
| 52.223.0.0 – 52.223.127.255 | 32,768 | US |
allocated | 2015-09-02 | 4a8a91b5b89d… |
| 52.223.128.0 – 52.223.191.255 | 16,384 | US |
allocated | 2015-09-02 | 4a8a91b5b89d… |
| 52.223.192.0 – 52.223.255.255 | 16,384 | US |
allocated | 2015-09-02 | d8512493772d… |
| 66.85.25.0 – 66.85.25.255 | 256 | US |
allocated | 2015-09-02 | 5a162d108047… |
| 69.12.55.0 – 69.12.55.255 | 256 | US |
allocated | 2015-09-02 | 75c2b709f988… |
| 144.168.0.0 – 144.168.31.255 | 8,192 | US |
allocated | 2015-09-02 | fdbc228a0141… |
| 144.168.32.0 – 144.168.47.255 | 4,096 | US |
allocated | 2015-09-02 | 02dae35f3428… |
| 144.168.48.0 – 144.168.51.255 | 1,024 | US |
allocated | 2015-09-02 | dc56a556d80e… |
| 144.168.52.0 – 144.168.55.255 | 1,024 | CA |
allocated | 2015-09-02 | df04ba7e5e16… |
| 144.168.56.0 – 144.168.63.255 | 2,048 | CA |
allocated | 2015-09-02 | b568a322da96… |
| 149.248.168.0 – 149.248.169.255 | 512 | CA |
allocated | 2015-09-02 | 0208df3f0296… |
| 149.248.252.0 – 149.248.253.255 | 512 | CA |
allocated | 2015-09-02 | 0208df3f0296… |
| 192.207.59.0 – 192.207.59.255 | 256 | US |
allocated | 2015-09-02 | 50e50a90ea50… |
| 192.243.213.0 – 192.243.213.255 | 256 | US |
allocated | 2015-09-02 | af6592bb4655… |
| 199.59.31.0 – 199.59.31.255 | 256 | US |
allocated | 2015-09-02 | 39c8fc6984b0… |
| 199.60.63.0 – 199.60.63.255 | 256 | CA |
allocated | 2015-09-02 | 0ffea845026a… |
| 199.73.25.0 – 199.73.25.255 | 256 | US |
allocated | 2015-09-02 | 105655fb9d3a… |
| 199.47.37.0 – 199.47.37.255 | 256 | US |
allocated | 2015-09-01 | c23c29b22d77… |
| 204.156.179.0 – 204.156.179.255 | 256 | US |
allocated | 2015-09-01 | 3cff8f734d67… |
| 192.189.6.0 – 192.189.6.255 | 256 | US |
allocated | 2015-08-31 | 607fda29793d… |
| 192.236.9.0 – 192.236.9.255 | 256 | US |
allocated | 2015-08-31 | 7dc66fc83642… |
| 199.9.14.0 – 199.9.15.255 | 512 | US |
allocated | 2015-08-31 | a98838da795b… |
| 199.71.159.0 – 199.71.159.255 | 256 | US |
allocated | 2015-08-31 | d64360bde840… |
| 47.136.0.0 – 47.143.255.255 | 524,288 | US |
allocated | 2015-08-28 | e220ed812a4c… |
| 47.144.0.0 – 47.159.255.255 | 1,048,576 | US |
allocated | 2015-08-28 | e220ed812a4c… |