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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.26.0.0 – 192.26.0.255 | 256 |  US |
allocated | 1986-08-07 | 45fe880b68a8… |
| 192.5.242.0 – 192.5.243.255 | 512 | US |
allocated | 1986-07-29 | d778ae02a60e… |
| 192.5.244.0 – 192.5.247.255 | 1,024 | US |
allocated | 1986-07-29 | d778ae02a60e… |
| 192.5.248.0 – 192.5.251.255 | 1,024 | US |
allocated | 1986-07-29 | d778ae02a60e… |
| 192.5.252.0 – 192.5.253.255 | 512 | US |
allocated | 1986-07-29 | d778ae02a60e… |
| 128.138.0.0 – 128.138.255.255 | 65,536 | US |
allocated | 1986-07-14 | 1c2ac99a8bc8… |
| 192.5.225.0 – 192.5.225.255 | 256 | US |
allocated | 1986-07-09 | 424f482ea0e6… |
| 192.5.226.0 – 192.5.227.255 | 512 | US |
allocated | 1986-07-09 | 424f482ea0e6… |
| 192.5.228.0 – 192.5.231.255 | 1,024 | US |
allocated | 1986-07-09 | 424f482ea0e6… |
| 192.5.232.0 – 192.5.235.255 | 1,024 | US |
allocated | 1986-07-09 | 424f482ea0e6… |
| 192.5.236.0 – 192.5.236.255 | 256 | US |
allocated | 1986-07-09 | 424f482ea0e6… |
| 128.135.0.0 – 128.135.255.255 | 65,536 | US |
allocated | 1986-07-08 | d87fa1c61fc9… |
| 128.137.0.0 – 128.137.255.255 | 65,536 | US |
allocated | 1986-07-08 | 7de0a857d7c5… |
| 192.5.224.0 – 192.5.224.255 | 256 | US |
allocated | 1986-07-08 | 556457061570… |
| 192.5.219.0 – 192.5.219.255 | 256 | US |
allocated | 1986-06-30 | 3c6b1d32b303… |
| 192.5.220.0 – 192.5.220.255 | 256 | US |
allocated | 1986-06-30 | e43f12c6ea05… |
| 192.5.223.0 – 192.5.223.255 | 256 | US |
allocated | 1986-06-30 | 5e887839ebeb… |
| 192.16.72.0 – 192.16.72.255 | 256 | US |
allocated | 1986-06-27 | 5942bda53f50… |
| 192.16.74.0 – 192.16.74.255 | 256 | US |
allocated | 1986-06-27 | 5942bda53f50… |
| 192.5.218.0 – 192.5.218.255 | 256 | US |
allocated | 1986-06-20 | 45fe880b68a8… |
| 192.5.215.0 – 192.5.215.255 | 256 | US |
allocated | 1986-06-13 | 52edb2f0dd77… |
| 192.5.210.0 – 192.5.210.255 | 256 | US |
allocated | 1986-06-12 | 45fe880b68a8… |
| 128.129.0.0 – 128.129.255.255 | 65,536 |  CA |
allocated | 1986-06-11 | 0947d5738b9d… |
| 192.5.206.0 – 192.5.206.255 | 256 | US |
allocated | 1986-06-09 | e553a0a4bf12… |
| 192.5.207.0 – 192.5.207.255 | 256 | US |
allocated | 1986-06-09 | e553a0a4bf12… |
| 192.5.208.0 – 192.5.208.255 | 256 | US |
allocated | 1986-06-09 | e553a0a4bf12… |
| 192.5.209.0 – 192.5.209.255 | 256 | US |
allocated | 1986-06-09 | eee4911c1d68… |
| 192.5.213.0 – 192.5.213.255 | 256 | US |
allocated | 1986-06-09 | 6af3dbdad10c… |
| 192.5.214.0 – 192.5.214.255 | 256 | US |
allocated | 1986-06-09 | 4a34b9f7ce6e… |
| 192.12.91.0 – 192.12.91.255 | 256 | US |
allocated | 1986-06-03 | ff6ac5f645ba… |
| 192.12.92.0 – 192.12.92.255 | 256 | US |
allocated | 1986-06-03 | ff6ac5f645ba… |
| 128.48.0.0 – 128.48.255.255 | 65,536 | US |
allocated | 1986-06-02 | e8325badb9b3… |
| 192.12.83.0 – 192.12.83.255 | 256 | US |
allocated | 1986-06-02 | ddb3fe48f9a6… |
| 192.12.84.0 – 192.12.84.255 | 256 | US |
allocated | 1986-06-02 | ddb3fe48f9a6… |
| 192.12.85.0 – 192.12.85.255 | 256 | US |
allocated | 1986-06-02 | ddb3fe48f9a6… |
| 192.12.86.0 – 192.12.86.255 | 256 | US |
allocated | 1986-06-02 | ddb3fe48f9a6… |
| 192.12.87.0 – 192.12.87.255 | 256 | US |
allocated | 1986-06-02 | ddb3fe48f9a6… |
| 192.5.205.0 – 192.5.205.255 | 256 | CA |
allocated | 1986-05-22 | 7a7a22d880b0… |
| 128.128.0.0 – 128.128.31.255 | 8,192 | US |
allocated | 1986-05-21 | 802de13cdca9… |
| 128.128.32.0 – 128.128.47.255 | 4,096 | US |
allocated | 1986-05-21 | 802de13cdca9… |
| 128.128.48.0 – 128.128.55.255 | 2,048 | US |
allocated | 1986-05-21 | 802de13cdca9… |
| 128.128.64.0 – 128.128.79.255 | 4,096 | US |
allocated | 1986-05-21 | 802de13cdca9… |
| 128.128.128.0 – 128.128.255.255 | 32,768 | US |
allocated | 1986-05-21 | 802de13cdca9… |
| 128.126.0.0 – 128.126.255.255 | 65,536 | US |
allocated | 1986-05-15 | a12e55d2321e… |
| 192.5.204.0 – 192.5.204.255 | 256 | CA |
allocated | 1986-05-15 | 1310e465c52c… |
| 128.122.0.0 – 128.122.255.255 | 65,536 | US |
allocated | 1986-05-02 | 0af65ed62b72… |
| 13.0.0.0 – 13.15.255.255 | 1,048,576 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.16.0.0 – 13.23.255.255 | 524,288 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.129.0.0 – 13.129.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.131.0.0 – 13.131.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.132.0.0 – 13.133.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.136.0.0 – 13.139.255.255 | 262,144 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.145.0.0 – 13.145.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.147.0.0 – 13.147.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.148.0.0 – 13.149.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.153.0.0 – 13.153.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.155.0.0 – 13.155.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.156.0.0 – 13.157.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.161.0.0 – 13.161.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.163.0.0 – 13.163.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.164.0.0 – 13.165.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.252.0.0 – 13.255.255.255 | 262,144 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 192.5.202.0 – 192.5.202.255 | 256 | US |
allocated | 1986-04-24 | 2e26b7f1a404… |
| 192.5.167.0 – 192.5.167.255 | 256 | US |
allocated | 1986-04-21 | 6dd814657e30… |
| 192.5.168.0 – 192.5.168.255 | 256 | US |
allocated | 1986-04-21 | 6dd814657e30… |
| 192.5.169.0 – 192.5.169.255 | 256 | US |
allocated | 1986-04-21 | 6dd814657e30… |
| 192.5.170.0 – 192.5.171.255 | 512 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.172.0 – 192.5.175.255 | 1,024 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.176.0 – 192.5.191.255 | 4,096 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.192.0 – 192.5.199.255 | 2,048 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.200.0 – 192.5.201.255 | 512 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 128.170.0.0 – 128.170.255.255 | 65,536 | US |
allocated | 1986-04-17 | 6af3dbdad10c… |
| 192.5.165.0 – 192.5.165.255 | 256 | US |
allocated | 1986-04-17 | 24b237263b44… |
| 192.23.0.0 – 192.23.255.255 | 65,536 | US |
allocated | 1986-04-15 | 66defc41fc95… |
| 192.5.163.0 – 192.5.163.255 | 256 | US |
allocated | 1986-04-10 | 6af3dbdad10c… |
| 192.5.164.0 – 192.5.164.255 | 256 | US |
allocated | 1986-04-10 | d3cc487da4a3… |
| 128.120.0.0 – 128.120.255.255 | 65,536 | US |
allocated | 1986-04-04 | 537d25e9db76… |
| 128.119.0.0 – 128.119.255.255 | 65,536 | US |
allocated | 1986-04-03 | 8600d3e98608… |
| 128.118.0.0 – 128.118.255.255 | 65,536 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.157.0 – 192.5.157.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.158.0 – 192.5.158.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.159.0 – 192.5.159.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.160.0 – 192.5.160.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.161.0 – 192.5.161.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.150.0 – 192.5.150.255 | 256 | US |
allocated | 1986-03-28 | 79bef02c1c4b… |
| 192.5.146.0 – 192.5.146.255 | 256 | US |
allocated | 1986-03-27 | 859ff8395a14… |
| 192.5.148.0 – 192.5.148.255 | 256 | US |
allocated | 1986-03-27 | 45fe880b68a8… |
| 192.5.149.0 – 192.5.149.255 | 256 | US |
allocated | 1986-03-27 | 7c4ce264cca6… |
| 128.117.0.0 – 128.117.255.255 | 65,536 | US |
allocated | 1986-03-24 | 214dd09db2ca… |
| 192.5.143.0 – 192.5.143.255 | 256 | US |
allocated | 1986-03-19 | 03772d84e56b… |
| 192.5.144.0 – 192.5.144.255 | 256 | CA |
allocated | 1986-03-19 | c8bae1572cdf… |
| 192.12.252.0 – 192.12.252.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 192.12.253.0 – 192.12.253.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 192.12.254.0 – 192.12.254.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 192.12.255.0 – 192.12.255.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 128.115.0.0 – 128.115.255.255 | 65,536 | US |
allocated | 1986-03-13 | 2be2a0b0a861… |
| 192.12.238.0 – 192.12.238.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.239.0 – 192.12.239.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.240.0 – 192.12.240.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.241.0 – 192.12.241.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |