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
1,645,629,184
📦
IPv4 networks
76,691
delegated blocks
🧭
IPv6 networks
11,348
delegated blocks
🔗
Autonomous systems
34,039
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.138.101.0 – 192.138.101.255 | 256 |  US |
allocated | 1992-01-06 | 2d90cbf4f78e… |
| 142.94.0.0 – 142.94.255.255 | 65,536 |  CA |
allocated | 1992-01-03 | 32a9ebb19b2e… |
| 142.95.0.0 – 142.95.255.255 | 65,536 | CA |
allocated | 1992-01-03 | 68b91dcca697… |
| 142.96.0.0 – 142.96.255.255 | 65,536 | CA |
allocated | 1992-01-03 | 68b91dcca697… |
| 153.40.0.0 – 153.40.255.255 | 65,536 | US |
allocated | 1992-01-03 | 95467d74441e… |
| 157.132.0.0 – 157.132.255.255 | 65,536 | US |
allocated | 1992-01-03 | ca2e412fb7a7… |
| 157.134.0.0 – 157.134.255.255 | 65,536 | US |
allocated | 1992-01-03 | f4bb71b8cdaf… |
| 192.101.147.0 – 192.101.147.255 | 256 | US |
allocated | 1992-01-03 | 2d90cbf4f78e… |
| 192.138.84.0 – 192.138.84.255 | 256 | US |
allocated | 1992-01-03 | 55fd9c2b04cb… |
| 192.138.87.0 – 192.138.87.255 | 256 | US |
allocated | 1992-01-03 | 45fe880b68a8… |
| 192.138.88.0 – 192.138.88.255 | 256 | US |
allocated | 1992-01-03 | c4be2f2a3855… |
| 155.9.0.0 – 155.9.255.255 | 65,536 | US |
allocated | 1992-01-02 | 45fe880b68a8… |
| 155.147.0.0 – 155.147.255.255 | 65,536 | US |
allocated | 1992-01-02 | 45fe880b68a8… |
| 157.126.0.0 – 157.126.255.255 | 65,536 | US |
allocated | 1992-01-02 | 30a28b237d3c… |
| 157.127.0.0 – 157.127.255.255 | 65,536 | US |
allocated | 1992-01-02 | a173e43ca8ce… |
| 192.135.239.0 – 192.135.239.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.240.0 – 192.135.241.255 | 512 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.242.0 – 192.135.242.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.243.0 – 192.135.243.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.244.0 – 192.135.244.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.245.0 – 192.135.245.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.246.0 – 192.135.246.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.247.0 – 192.135.247.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.249.0 – 192.135.249.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 192.135.250.0 – 192.135.250.255 | 256 | US |
allocated | 1992-01-02 | 6f69b4fbc4a7… |
| 155.246.0.0 – 155.246.255.255 | 65,536 | US |
allocated | 1991-12-31 | 0925cf378e38… |
| 192.135.237.0 – 192.135.237.255 | 256 | US |
allocated | 1991-12-31 | 2834ff6a77f1… |
| 192.135.238.0 – 192.135.238.255 | 256 | US |
allocated | 1991-12-31 | 2834ff6a77f1… |
| 151.142.0.0 – 151.142.255.255 | 65,536 | US |
allocated | 1991-12-30 | f6dcdd9afbbf… |
| 155.156.0.0 – 155.156.255.255 | 65,536 | US |
allocated | 1991-12-30 | 45fe880b68a8… |
| 192.16.232.0 – 192.16.232.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.233.0 – 192.16.233.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.234.0 – 192.16.234.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.235.0 – 192.16.235.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.239.0 – 192.16.239.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.240.0 – 192.16.240.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.241.0 – 192.16.241.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.242.0 – 192.16.242.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.243.0 – 192.16.243.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.244.0 – 192.16.244.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.245.0 – 192.16.245.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.246.0 – 192.16.246.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.247.0 – 192.16.247.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.248.0 – 192.16.248.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.249.0 – 192.16.249.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.250.0 – 192.16.250.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.251.0 – 192.16.251.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.252.0 – 192.16.252.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.253.0 – 192.16.253.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.254.0 – 192.16.254.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.16.255.0 – 192.16.255.255 | 256 | CA |
allocated | 1991-12-30 | c8bae1572cdf… |
| 192.75.232.0 – 192.75.232.255 | 256 | CA |
allocated | 1991-12-30 | 2134330d9e2a… |
| 192.75.233.0 – 192.75.233.255 | 256 | CA |
allocated | 1991-12-30 | 2134330d9e2a… |
| 192.75.234.0 – 192.75.234.255 | 256 | CA |
allocated | 1991-12-30 | 2134330d9e2a… |
| 192.75.235.0 – 192.75.235.255 | 256 | CA |
allocated | 1991-12-30 | 2134330d9e2a… |
| 192.75.237.0 – 192.75.237.255 | 256 | CA |
allocated | 1991-12-30 | ae88f6f94bb2… |
| 192.75.238.0 – 192.75.238.255 | 256 | CA |
allocated | 1991-12-30 | ae88f6f94bb2… |
| 192.131.18.0 – 192.131.18.255 | 256 | US |
allocated | 1991-12-30 | 45fe880b68a8… |
| 192.132.79.0 – 192.132.79.255 | 256 | US |
allocated | 1991-12-30 | 45fe880b68a8… |
| 192.135.220.0 – 192.135.220.255 | 256 | US |
allocated | 1991-12-30 | 9ee107217620… |
| 192.135.221.0 – 192.135.221.255 | 256 | US |
allocated | 1991-12-30 | b932558eb528… |
| 192.135.227.0 – 192.135.227.255 | 256 | US |
allocated | 1991-12-30 | 4c2a869b6941… |
| 192.135.228.0 – 192.135.228.255 | 256 | US |
allocated | 1991-12-30 | 9fe24a7a00e9… |
| 192.135.235.0 – 192.135.235.255 | 256 | US |
allocated | 1991-12-30 | 6af3dbdad10c… |
| 192.135.236.0 – 192.135.236.255 | 256 | US |
allocated | 1991-12-30 | f0865f4626bc… |
| 192.136.50.0 – 192.136.50.255 | 256 | US |
allocated | 1991-12-30 | 1ff89096fa7c… |
| 192.136.48.0 – 192.136.48.255 | 256 | US |
allocated | 1991-12-27 | 45fe880b68a8… |
| 192.131.102.0 – 192.131.102.255 | 256 | US |
allocated | 1991-12-26 | 2c8438ff5e93… |
| 156.98.0.0 – 156.98.255.255 | 65,536 | US |
allocated | 1991-12-24 | b4d8bc80228e… |
| 156.99.0.0 – 156.99.255.255 | 65,536 | US |
allocated | 1991-12-24 | b4d8bc80228e… |
| 156.100.0.0 – 156.100.255.255 | 65,536 | US |
allocated | 1991-12-24 | 1b1dccdc37ab… |
| 156.101.0.0 – 156.101.255.255 | 65,536 | US |
allocated | 1991-12-24 | 1b1dccdc37ab… |
| 156.102.0.0 – 156.102.255.255 | 65,536 | US |
allocated | 1991-12-24 | 16c3a11ea357… |
| 156.103.0.0 – 156.103.255.255 | 65,536 | US |
allocated | 1991-12-24 | 16c3a11ea357… |
| 156.104.0.0 – 156.104.255.255 | 65,536 | US |
allocated | 1991-12-24 | 16c3a11ea357… |
| 156.105.0.0 – 156.105.255.255 | 65,536 | US |
allocated | 1991-12-24 | 16c3a11ea357… |
| 155.152.0.0 – 155.152.255.255 | 65,536 | US |
allocated | 1991-12-23 | 45fe880b68a8… |
| 155.153.0.0 – 155.153.255.255 | 65,536 | US |
allocated | 1991-12-23 | 45fe880b68a8… |
| 156.96.0.0 – 156.96.255.255 | 65,536 | US |
allocated | 1991-12-23 | 48288e1daa01… |
| 192.136.25.0 – 192.136.25.255 | 256 | US |
allocated | 1991-12-23 | 6fc7d04f12ec… |
| 192.136.26.0 – 192.136.26.255 | 256 | US |
allocated | 1991-12-23 | e8ce90e9fd53… |
| 192.136.27.0 – 192.136.27.255 | 256 | CA |
allocated | 1991-12-23 | 75ab8e777450… |
| 192.136.28.0 – 192.136.28.255 | 256 | US |
allocated | 1991-12-23 | ec802c07ed84… |
| 192.136.32.0 – 192.136.32.255 | 256 | US |
allocated | 1991-12-23 | 4a34b9f7ce6e… |
| 192.136.33.0 – 192.136.33.255 | 256 | US |
allocated | 1991-12-23 | 4a34b9f7ce6e… |
| 192.136.34.0 – 192.136.34.255 | 256 | US |
allocated | 1991-12-23 | 4a34b9f7ce6e… |
| 192.136.35.0 – 192.136.35.255 | 256 | US |
allocated | 1991-12-23 | 4a34b9f7ce6e… |
| 192.136.37.0 – 192.136.37.255 | 256 | US |
allocated | 1991-12-23 | 93d2309e2f17… |
| 192.136.38.0 – 192.136.38.255 | 256 | US |
allocated | 1991-12-23 | 0b9221b05996… |
| 156.84.0.0 – 156.84.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.85.0.0 – 156.85.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.86.0.0 – 156.86.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.87.0.0 – 156.87.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.88.0.0 – 156.88.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.89.0.0 – 156.89.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.90.0.0 – 156.90.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.91.0.0 – 156.91.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.92.0.0 – 156.92.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.93.0.0 – 156.93.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 156.94.0.0 – 156.94.255.255 | 65,536 | US |
allocated | 1991-12-20 | 5ae50e801f52… |