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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.107.241.0 – 204.107.241.255 | 256 |  US |
allocated | 1994-11-07 | 02463ccc88c7… |
| 204.107.242.0 – 204.107.242.255 | 256 | US |
allocated | 1994-11-07 | ac5b43df0348… |
| 204.122.128.0 – 204.122.255.255 | 32,768 | US |
allocated | 1994-11-07 | 34e9964ba3a1… |
| 204.155.160.0 – 204.155.175.255 | 4,096 | US |
allocated | 1994-11-07 | f3c6e403a635… |
| 204.155.176.0 – 204.155.191.255 | 4,096 | US |
allocated | 1994-11-07 | ab5182a7a765… |
| 204.155.192.0 – 204.155.207.255 | 4,096 | US |
allocated | 1994-11-07 | efdc12815af1… |
| 204.174.50.0 – 204.174.50.255 | 256 |  CA |
allocated | 1994-11-07 | 0efbc0e2f82f… |
| 204.187.1.0 – 204.187.1.255 | 256 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.2.0 – 204.187.3.255 | 512 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.4.0 – 204.187.7.255 | 1,024 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.8.0 – 204.187.9.255 | 512 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.10.0 – 204.187.10.255 | 256 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.16.0 – 204.187.31.255 | 4,096 | CA |
allocated | 1994-11-07 | 1959422f6595… |
| 204.187.32.0 – 204.187.39.255 | 2,048 | CA |
allocated | 1994-11-07 | 1851274c0373… |
| 204.187.48.0 – 204.187.48.255 | 256 | CA |
allocated | 1994-11-07 | c8bae1572cdf… |
| 204.187.49.0 – 204.187.49.255 | 256 | CA |
allocated | 1994-11-07 | c8bae1572cdf… |
| 204.187.50.0 – 204.187.51.255 | 512 | CA |
allocated | 1994-11-07 | 46a624e001d4… |
| 204.187.52.0 – 204.187.53.255 | 512 | CA |
allocated | 1994-11-07 | b309e579e495… |
| 204.187.54.0 – 204.187.54.255 | 256 | CA |
allocated | 1994-11-07 | b309e579e495… |
| 204.187.55.0 – 204.187.55.255 | 256 | CA |
allocated | 1994-11-07 | 77bd1350b175… |
| 204.187.56.0 – 204.187.57.255 | 512 | CA |
allocated | 1994-11-07 | dae16933a3c9… |
| 204.187.58.0 – 204.187.58.255 | 256 | CA |
allocated | 1994-11-07 | dae16933a3c9… |
| 204.187.59.0 – 204.187.59.255 | 256 | CA |
allocated | 1994-11-07 | 00c4d684cf34… |
| 204.187.60.0 – 204.187.61.255 | 512 | CA |
allocated | 1994-11-07 | d60e3caca669… |
| 204.187.62.0 – 204.187.63.255 | 512 | CA |
allocated | 1994-11-07 | 5848127ecd37… |
| 204.187.64.0 – 204.187.64.255 | 256 | CA |
allocated | 1994-11-07 | c2b3c0e5eb5b… |
| 204.187.65.0 – 204.187.65.255 | 256 | CA |
allocated | 1994-11-07 | c26349464d85… |
| 204.187.67.0 – 204.187.67.255 | 256 | CA |
allocated | 1994-11-07 | b3e6df5d0273… |
| 204.187.68.0 – 204.187.69.255 | 512 | CA |
allocated | 1994-11-07 | 170537a03f7e… |
| 204.187.70.0 – 204.187.71.255 | 512 | CA |
allocated | 1994-11-07 | ff4a795248ca… |
| 204.187.72.0 – 204.187.75.255 | 1,024 | CA |
allocated | 1994-11-07 | ff4a795248ca… |
| 204.187.76.0 – 204.187.76.255 | 256 | CA |
allocated | 1994-11-07 | eb63b6bb517b… |
| 204.187.77.0 – 204.187.77.255 | 256 | CA |
allocated | 1994-11-07 | 6d44f11c0d7d… |
| 204.187.78.0 – 204.187.78.255 | 256 | CA |
allocated | 1994-11-07 | c33f372e029f… |
| 204.187.79.0 – 204.187.79.255 | 256 | CA |
allocated | 1994-11-07 | 1a7b6eeac4c6… |
| 204.187.80.0 – 204.187.80.255 | 256 | CA |
allocated | 1994-11-07 | f6d09ca0cb7e… |
| 204.187.81.0 – 204.187.81.255 | 256 | CA |
allocated | 1994-11-07 | 35a33325609c… |
| 204.187.82.0 – 204.187.83.255 | 512 | CA |
allocated | 1994-11-07 | 1ff2f62541c6… |
| 204.187.84.0 – 204.187.84.255 | 256 | CA |
allocated | 1994-11-07 | 6b9611deff3b… |
| 204.187.85.0 – 204.187.85.255 | 256 | CA |
allocated | 1994-11-07 | cc24613355ad… |
| 204.187.87.0 – 204.187.87.255 | 256 | CA |
allocated | 1994-11-07 | d6dff3a6c1cc… |
| 204.187.88.0 – 204.187.89.255 | 512 | CA |
allocated | 1994-11-07 | d89f0f1cc3a6… |
| 204.187.90.0 – 204.187.91.255 | 512 | CA |
allocated | 1994-11-07 | e8fb75aa9d39… |
| 204.187.92.0 – 204.187.92.255 | 256 | CA |
allocated | 1994-11-07 | d384ff722a20… |
| 204.187.93.0 – 204.187.93.255 | 256 | CA |
allocated | 1994-11-07 | 751debb383f8… |
| 204.187.95.0 – 204.187.95.255 | 256 | CA |
allocated | 1994-11-07 | 4ead3150e4fb… |
| 204.187.96.0 – 204.187.97.255 | 512 | CA |
allocated | 1994-11-07 | 4ead3150e4fb… |
| 204.187.98.0 – 204.187.99.255 | 512 | CA |
allocated | 1994-11-07 | 027c7564756d… |
| 204.187.100.0 – 204.187.101.255 | 512 | CA |
allocated | 1994-11-07 | 7b02ffea6a50… |
| 204.187.103.0 – 204.187.103.255 | 256 | CA |
allocated | 1994-11-07 | 2b08f5d88ae9… |
| 204.187.104.0 – 204.187.104.255 | 256 | CA |
allocated | 1994-11-07 | 9cf0c03a2a0a… |
| 204.187.106.0 – 204.187.107.255 | 512 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.108.0 – 204.187.111.255 | 1,024 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.112.0 – 204.187.115.255 | 1,024 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.116.0 – 204.187.117.255 | 512 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.118.0 – 204.187.119.255 | 512 | CA |
allocated | 1994-11-07 | f87728372529… |
| 204.187.120.0 – 204.187.123.255 | 1,024 | CA |
allocated | 1994-11-07 | f87728372529… |
| 204.187.124.0 – 204.187.125.255 | 512 | CA |
allocated | 1994-11-07 | f87728372529… |
| 204.187.126.0 – 204.187.126.255 | 256 | CA |
allocated | 1994-11-07 | f87728372529… |
| 204.187.127.0 – 204.187.127.255 | 256 | CA |
allocated | 1994-11-07 | d45c5fc05f4b… |
| 204.187.130.0 – 204.187.131.255 | 512 | CA |
allocated | 1994-11-07 | acd48781ba89… |
| 204.187.132.0 – 204.187.132.255 | 256 | CA |
allocated | 1994-11-07 | a23f87dcbe6d… |
| 204.187.133.0 – 204.187.133.255 | 256 | CA |
allocated | 1994-11-07 | 0c8f47ba0eba… |
| 204.187.134.0 – 204.187.134.255 | 256 | CA |
allocated | 1994-11-07 | d1e8b2bd17a2… |
| 204.187.135.0 – 204.187.135.255 | 256 | CA |
allocated | 1994-11-07 | e60b4854b44c… |
| 204.187.137.0 – 204.187.137.255 | 256 | CA |
allocated | 1994-11-07 | 990fec0c7987… |
| 204.187.139.0 – 204.187.139.255 | 256 | CA |
allocated | 1994-11-07 | 9f217750338d… |
| 204.187.140.0 – 204.187.140.255 | 256 | CA |
allocated | 1994-11-07 | 992d45bf6e09… |
| 204.187.141.0 – 204.187.141.255 | 256 | CA |
allocated | 1994-11-07 | f63b55086f40… |
| 204.187.142.0 – 204.187.143.255 | 512 | CA |
allocated | 1994-11-07 | f63b55086f40… |
| 204.187.144.0 – 204.187.144.255 | 256 | CA |
allocated | 1994-11-07 | 711cdad7f8c1… |
| 204.187.145.0 – 204.187.145.255 | 256 | CA |
allocated | 1994-11-07 | 8c83cd4175b7… |
| 204.187.146.0 – 204.187.147.255 | 512 | CA |
allocated | 1994-11-07 | 8c83cd4175b7… |
| 204.187.148.0 – 204.187.151.255 | 1,024 | CA |
allocated | 1994-11-07 | f00786d8469a… |
| 204.187.152.0 – 204.187.153.255 | 512 | CA |
allocated | 1994-11-07 | f00786d8469a… |
| 204.187.154.0 – 204.187.154.255 | 256 | CA |
allocated | 1994-11-07 | f00786d8469a… |
| 204.187.155.0 – 204.187.155.255 | 256 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.156.0 – 204.187.159.255 | 1,024 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.160.0 – 204.187.191.255 | 8,192 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.192.0 – 204.187.223.255 | 8,192 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.224.0 – 204.187.239.255 | 4,096 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.240.0 – 204.187.247.255 | 2,048 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.248.0 – 204.187.251.255 | 1,024 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.252.0 – 204.187.253.255 | 512 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 204.187.254.0 – 204.187.254.255 | 256 | CA |
allocated | 1994-11-07 | 1dca1ddcaf06… |
| 169.134.0.0 – 169.134.255.255 | 65,536 | US |
allocated | 1994-11-04 | 94ddde84e21b… |
| 169.135.0.0 – 169.135.255.255 | 65,536 | US |
allocated | 1994-11-04 | 9e46ab47277f… |
| 169.136.0.0 – 169.136.31.255 | 8,192 | US |
allocated | 1994-11-04 | dc24149ecdee… |
| 169.136.224.0 – 169.136.255.255 | 8,192 | US |
allocated | 1994-11-04 | dc24149ecdee… |
| 170.198.0.0 – 170.198.255.255 | 65,536 | US |
allocated | 1994-11-04 | ad8851b73b1e… |
| 199.254.241.0 – 199.254.241.255 | 256 | US |
allocated | 1994-11-04 | e1faffb3e614… |
| 199.254.242.0 – 199.254.242.255 | 256 | US |
allocated | 1994-11-04 | 9111ef1a08bf… |
| 199.254.243.0 – 199.254.243.255 | 256 | US |
allocated | 1994-11-04 | 7a930d9906ad… |
| 199.254.244.0 – 199.254.244.255 | 256 | US |
allocated | 1994-11-04 | 31d6e502f5a7… |
| 199.254.245.0 – 199.254.245.255 | 256 | US |
allocated | 1994-11-04 | dd1bdf6f6de9… |
| 199.254.246.0 – 199.254.246.255 | 256 | US |
allocated | 1994-11-04 | fdd4c23d2e1e… |
| 204.108.64.0 – 204.108.127.255 | 16,384 | US |
allocated | 1994-11-04 | 7cbbc5b04e6a… |
| 204.109.128.0 – 204.109.255.255 | 32,768 | US |
allocated | 1994-11-04 | ea58a6be6f45… |
| 204.184.0.0 – 204.185.255.255 | 131,072 | US |
allocated | 1994-11-04 | 1a7054c73e69… |
| 204.186.0.0 – 204.186.255.255 | 65,536 | US |
allocated | 1994-11-04 | 021224fdeb63… |