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 |
|---|---|---|---|---|---|
| 156.95.0.0 – 156.95.255.255 | 65,536 |  US |
allocated | 1991-12-20 | 5ae50e801f52… |
| 52.0.0.0 – 52.63.255.255 | 4,194,304 | US |
allocated | 1991-12-19 | 4a8a91b5b89d… |
| 52.64.0.0 – 52.79.255.255 | 1,048,576 | US |
allocated | 1991-12-19 | 4a8a91b5b89d… |
| 52.84.0.0 – 52.87.255.255 | 262,144 | US |
allocated | 1991-12-19 | 4a8a91b5b89d… |
| 52.88.0.0 – 52.95.255.255 | 524,288 | US |
allocated | 1991-12-19 | 4a8a91b5b89d… |
| 156.68.0.0 – 156.68.255.255 | 65,536 | US |
allocated | 1991-12-19 | 1f99771bc3e2… |
| 156.70.0.0 – 156.70.1.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.6.0 – 156.70.7.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.14.0 – 156.70.15.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.18.0 – 156.70.19.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.20.0 – 156.70.21.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.26.0 – 156.70.27.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.28.0 – 156.70.31.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.32.0 – 156.70.33.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.36.0 – 156.70.39.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.40.0 – 156.70.43.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.44.0 – 156.70.45.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.54.0 – 156.70.55.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.56.0 – 156.70.59.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.60.0 – 156.70.61.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.74.0 – 156.70.75.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.78.0 – 156.70.79.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.90.0 – 156.70.91.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.92.0 – 156.70.95.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.100.0 – 156.70.103.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.104.0 – 156.70.107.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.118.0 – 156.70.119.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.122.0 – 156.70.123.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.148.0 – 156.70.149.255 | 512 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.152.0 – 156.70.159.255 | 2,048 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.160.0 – 156.70.163.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.168.0 – 156.70.171.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.180.0 – 156.70.183.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.192.0 – 156.70.195.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.216.0 – 156.70.223.255 | 2,048 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.240.0 – 156.70.243.255 | 1,024 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.70.248.0 – 156.70.255.255 | 2,048 | US |
allocated | 1991-12-19 | 03f843b31660… |
| 156.72.0.0 – 156.72.255.255 | 65,536 | US |
allocated | 1991-12-19 | dea9a8df0538… |
| 156.73.0.0 – 156.73.255.255 | 65,536 | US |
allocated | 1991-12-19 | a7dc2274fd7b… |
| 156.74.0.0 – 156.74.255.255 | 65,536 | US |
allocated | 1991-12-19 | 8ab35d10baca… |
| 156.75.0.0 – 156.75.255.255 | 65,536 | US |
allocated | 1991-12-19 | 785e53ea9b45… |
| 156.76.0.0 – 156.76.255.255 | 65,536 | US |
allocated | 1991-12-19 | cb11a4ebf772… |
| 156.77.0.0 – 156.77.255.255 | 65,536 | US |
allocated | 1991-12-19 | 416e6d948861… |
| 156.78.0.0 – 156.78.255.255 | 65,536 | US |
allocated | 1991-12-19 | fca187cb14df… |
| 156.79.0.0 – 156.79.255.255 | 65,536 | US |
allocated | 1991-12-19 | 65e809caefe2… |
| 156.81.0.0 – 156.81.255.255 | 65,536 | US |
allocated | 1991-12-19 | 9094a8e86141… |
| 156.82.0.0 – 156.82.255.255 | 65,536 | US |
allocated | 1991-12-19 | 0596821a6910… |
| 157.98.0.0 – 157.98.255.255 | 65,536 | US |
allocated | 1991-12-19 | c00be718ecf6… |
| 157.121.0.0 – 157.121.255.255 | 65,536 | US |
allocated | 1991-12-19 | 34884dcacb47… |
| 192.133.254.0 – 192.133.254.255 | 256 | US |
allocated | 1991-12-19 | f3cb20bf3c23… |
| 192.135.177.0 – 192.135.177.255 | 256 | US |
allocated | 1991-12-19 | 442d612f2688… |
| 192.135.178.0 – 192.135.178.255 | 256 | US |
allocated | 1991-12-19 | 442d612f2688… |
| 192.135.179.0 – 192.135.179.255 | 256 | US |
allocated | 1991-12-19 | 442d612f2688… |
| 192.135.180.0 – 192.135.180.255 | 256 | US |
allocated | 1991-12-19 | 442d612f2688… |
| 192.135.209.0 – 192.135.209.255 | 256 | US |
allocated | 1991-12-19 | 64f9a5ecc243… |
| 192.135.211.0 – 192.135.211.255 | 256 | US |
allocated | 1991-12-19 | 561a6405fda5… |
| 192.135.212.0 – 192.135.212.255 | 256 | US |
allocated | 1991-12-19 | 561a6405fda5… |
| 192.135.213.0 – 192.135.213.255 | 256 | US |
allocated | 1991-12-19 | aa58cc570f07… |
| 192.135.214.0 – 192.135.214.255 | 256 | US |
allocated | 1991-12-19 | c8f28088d607… |
| 192.135.215.0 – 192.135.215.255 | 256 | US |
allocated | 1991-12-19 | dc2890d58d3a… |
| 192.136.1.0 – 192.136.1.255 | 256 | US |
allocated | 1991-12-19 | 294ce20cdefa… |
| 192.136.2.0 – 192.136.2.255 | 256 | US |
allocated | 1991-12-19 | 294ce20cdefa… |
| 192.136.3.0 – 192.136.3.255 | 256 | US |
allocated | 1991-12-19 | 294ce20cdefa… |
| 192.136.4.0 – 192.136.4.255 | 256 | US |
allocated | 1991-12-19 | 294ce20cdefa… |
| 192.136.5.0 – 192.136.5.255 | 256 | US |
allocated | 1991-12-19 | 294ce20cdefa… |
| 192.136.6.0 – 192.136.6.255 | 256 | US |
allocated | 1991-12-19 | d7bfeccd6430… |
| 192.136.10.0 – 192.136.10.255 | 256 | US |
allocated | 1991-12-19 | 45b3e58c290a… |
| 192.136.11.0 – 192.136.11.255 | 256 | US |
allocated | 1991-12-19 | 48f1d8ca273b… |
| 192.136.12.0 – 192.136.12.255 | 256 | US |
allocated | 1991-12-19 | 50c4227516e1… |
| 192.136.14.0 – 192.136.14.255 | 256 | US |
allocated | 1991-12-19 | e220ed812a4c… |
| 192.136.15.0 – 192.136.15.255 | 256 | US |
allocated | 1991-12-19 | b2105a673d6e… |
| 192.136.16.0 – 192.136.16.255 | 256 | US |
allocated | 1991-12-19 | 72f123423865… |
| 192.136.17.0 – 192.136.17.255 | 256 | US |
allocated | 1991-12-19 | 32ead17c1b6d… |
| 192.136.20.0 – 192.136.20.255 | 256 | US |
allocated | 1991-12-19 | 47995f1c322a… |
| 192.136.21.0 – 192.136.21.255 | 256 | US |
allocated | 1991-12-19 | 2bb225f0ba9a… |
| 192.136.22.0 – 192.136.22.255 | 256 | US |
allocated | 1991-12-19 | e2cc0cdaccb4… |
| 192.136.24.0 – 192.136.24.255 | 256 | US |
allocated | 1991-12-19 | 2a9237ec1c2c… |
| 155.154.0.0 – 155.154.255.255 | 65,536 | US |
allocated | 1991-12-18 | 45fe880b68a8… |
| 192.75.134.0 – 192.75.134.255 | 256 |  CA |
allocated | 1991-12-18 | 9e16dfe8e140… |
| 192.75.208.0 – 192.75.208.255 | 256 | CA |
allocated | 1991-12-18 | 5e6f27cc2d6e… |
| 192.75.230.0 – 192.75.230.255 | 256 | CA |
allocated | 1991-12-18 | b8d2d1da4ec0… |
| 192.75.231.0 – 192.75.231.255 | 256 | CA |
allocated | 1991-12-18 | b8d2d1da4ec0… |
| 192.131.15.0 – 192.131.15.255 | 256 | US |
allocated | 1991-12-18 | 45fe880b68a8… |
| 192.131.16.0 – 192.131.16.255 | 256 | US |
allocated | 1991-12-18 | 45fe880b68a8… |
| 192.132.88.0 – 192.132.88.255 | 256 | US |
allocated | 1991-12-18 | 45fe880b68a8… |
| 192.135.83.0 – 192.135.83.255 | 256 | CA |
allocated | 1991-12-18 | 7fa9b5f5930e… |
| 192.135.197.0 – 192.135.197.255 | 256 | US |
allocated | 1991-12-18 | c1effaaf7a82… |
| 192.135.205.0 – 192.135.205.255 | 256 | US |
allocated | 1991-12-18 | c52591709135… |
| 157.93.0.0 – 157.93.255.255 | 65,536 | US |
allocated | 1991-12-17 | 6c7438522802… |
| 192.135.182.0 – 192.135.182.255 | 256 | US |
allocated | 1991-12-17 | ec3c177ec862… |
| 192.135.183.0 – 192.135.183.255 | 256 | US |
allocated | 1991-12-17 | 990486aa684c… |
| 192.135.186.0 – 192.135.186.255 | 256 | US |
allocated | 1991-12-17 | 7aa1ff539ab4… |
| 192.135.189.0 – 192.135.189.255 | 256 | US |
allocated | 1991-12-17 | 6a278c9a83b5… |
| 192.135.190.0 – 192.135.190.255 | 256 | US |
allocated | 1991-12-17 | 73d944250254… |
| 192.135.191.0 – 192.135.191.255 | 256 | US |
allocated | 1991-12-17 | 4e1a3f536659… |
| 192.135.192.0 – 192.135.192.255 | 256 | US |
allocated | 1991-12-17 | 45fe880b68a8… |
| 192.135.193.0 – 192.135.193.255 | 256 | US |
allocated | 1991-12-17 | 45fe880b68a8… |
| 155.155.0.0 – 155.155.255.255 | 65,536 | US |
allocated | 1991-12-16 | 45fe880b68a8… |
| 157.87.0.0 – 157.87.255.255 | 65,536 | US |
allocated | 1991-12-16 | acfc4932ac54… |
| 157.89.0.0 – 157.89.255.255 | 65,536 | US |
allocated | 1991-12-16 | 1d86b0fdd25f… |