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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 155.103.56.0 – 155.103.59.255 | 1,024 |  US |
allocated | 2026-04-02 | 476322e7901a… |
| 155.103.60.0 – 155.103.61.255 | 512 | US |
allocated | 2026-04-02 | dc055da489a6… |
| 155.103.62.0 – 155.103.63.255 | 512 | US |
allocated | 2026-04-02 | b6dfa6fdce9e… |
| 155.103.79.0 – 155.103.79.255 | 256 | US |
allocated | 2026-04-02 | e7aff666db72… |
| 155.103.240.0 – 155.103.243.255 | 1,024 | US |
allocated | 2026-04-02 | f7eed6e822e1… |
| 155.103.248.0 – 155.103.248.255 | 256 | US |
allocated | 2026-04-02 | bb642fc89037… |
| 165.140.57.0 – 165.140.57.255 | 256 | US |
allocated | 2026-04-02 | 0fbbd641f1f7… |
| 167.104.50.0 – 167.104.51.255 | 512 | US |
allocated | 2026-04-02 | 1696ecafd897… |
| 167.104.208.0 – 167.104.215.255 | 2,048 |  CA |
allocated | 2026-04-02 | c86ee0d9d7ed… |
| 192.5.71.0 – 192.5.71.255 | 256 | US |
allocated | 2026-04-02 | 2be6b2c9271e… |
| 192.54.81.0 – 192.54.81.255 | 256 | US |
allocated | 2026-04-02 | 90a5d38b476d… |
| 192.88.50.0 – 192.88.50.255 | 256 | US |
allocated | 2026-04-02 | b01284e1c2d0… |
| 192.132.28.0 – 192.132.28.255 | 256 | US |
allocated | 2026-04-02 | 4a5c7abd5011… |
| 192.133.49.0 – 192.133.49.255 | 256 | CA |
allocated | 2026-04-02 | 86f4fe2ee3f2… |
| 192.207.26.0 – 192.207.26.255 | 256 | US |
allocated | 2026-04-02 | 1b393cb65fab… |
| 192.225.212.0 – 192.225.215.255 | 1,024 | US |
allocated | 2026-04-02 | bf54755317c2… |
| 192.225.216.0 – 192.225.219.255 | 1,024 | US |
allocated | 2026-04-02 | 7df272654637… |
| 192.234.187.0 – 192.234.187.255 | 256 | US |
allocated | 2026-04-02 | 98e6b8462613… |
| 192.251.127.0 – 192.251.127.255 | 256 | US |
allocated | 2026-04-02 | 5257772e1fdf… |
| 198.59.88.0 – 198.59.88.255 | 256 | US |
allocated | 2026-04-02 | d4ce2a2ffc16… |
| 198.73.221.0 – 198.73.221.255 | 256 | CA |
allocated | 2026-04-02 | e7e34ca7f9e3… |
| 199.231.124.0 – 199.231.127.255 | 1,024 | US |
allocated | 2026-04-02 | 5273311ad581… |
| 204.130.140.0 – 204.130.140.255 | 256 | US |
allocated | 2026-04-02 | 17c1a4ea9582… |
| 204.153.123.0 – 204.153.123.255 | 256 | CA |
allocated | 2026-04-02 | f6b52d82992d… |
| 204.154.109.0 – 204.154.109.255 | 256 | US |
allocated | 2026-04-02 | d178dbdd15b9… |
| 205.173.125.0 – 205.173.125.255 | 256 | US |
allocated | 2026-04-02 | 497f29652037… |
| 208.64.12.0 – 208.64.15.255 | 1,024 | US |
allocated | 2026-04-02 | e02b4c43a15f… |
| 208.73.156.0 – 208.73.159.255 | 1,024 | CA |
allocated | 2026-04-02 | 2507d713d6b6… |
| 208.103.183.0 – 208.103.183.255 | 256 | US |
allocated | 2026-04-02 | 7e7b80af2baf… |
| 216.230.16.0 – 216.230.16.255 | 256 | US |
allocated | 2026-04-02 | fd9853ac66fa… |
| 168.151.160.0 – 168.151.175.255 | 4,096 | US |
allocated | 2026-04-01 | 68f813cc543a… |
| 23.155.100.0 – 23.155.100.255 | 256 | US |
allocated | 2026-03-31 | c2e73a911298… |
| 23.155.108.0 – 23.155.108.255 | 256 | US |
allocated | 2026-03-31 | 319aa5f15805… |
| 23.155.140.0 – 23.155.140.255 | 256 | US |
allocated | 2026-03-31 | ef29b9e633f8… |
| 66.179.166.0 – 66.179.166.255 | 256 | US |
allocated | 2026-03-31 | a1db112db704… |
| 142.99.20.0 – 142.99.23.255 | 1,024 | US |
allocated | 2026-03-31 | 9ffb37989276… |
| 151.123.170.0 – 151.123.171.255 | 512 | US |
allocated | 2026-03-31 | d128a3e553da… |
| 199.115.250.0 – 199.115.251.255 | 512 | US |
allocated | 2026-03-31 | a1db112db704… |
| 23.155.84.0 – 23.155.84.255 | 256 | US |
allocated | 2026-03-30 | 8c7fda37db9d… |
| 63.141.33.0 – 63.141.33.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 63.141.57.0 – 63.141.57.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 69.30.85.0 – 69.30.85.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 179.64.0.0 – 179.64.255.255 | 65,536 | US |
allocated | 2026-03-30 | c1dfdf31702f… |
| 198.145.104.0 – 198.145.104.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 198.145.107.0 – 198.145.107.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 198.145.108.0 – 198.145.109.255 | 512 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 199.58.255.0 – 199.58.255.255 | 256 | CA |
allocated | 2026-03-30 | 5f2b38ee3a66… |
| 206.109.196.0 – 206.109.196.255 | 256 | US |
allocated | 2026-03-30 | c3109f84d514… |
| 23.155.92.0 – 23.155.92.255 | 256 |  MY |
allocated | 2026-03-27 | d5a5fac49791… |
| 140.232.90.0 – 140.232.90.255 | 256 | US |
allocated | 2026-03-27 | 41b22ad45461… |
| 168.151.145.0 – 168.151.145.255 | 256 | US |
allocated | 2026-03-27 | 370f612f8af4… |
| 192.64.25.0 – 192.64.25.255 | 256 | US |
allocated | 2026-03-27 | e4ba3a5395ae… |
| 216.248.240.0 – 216.248.255.255 | 4,096 | US |
allocated | 2026-03-27 | 4a590c404f19… |
| 23.155.68.0 – 23.155.68.255 | 256 | US |
allocated | 2026-03-26 | e8065bdae828… |
| 23.155.76.0 – 23.155.76.255 | 256 | US |
allocated | 2026-03-26 | 8295d58e1fab… |
| 74.209.180.0 – 74.209.181.255 | 512 | US |
allocated | 2026-03-26 | 07e6d624d153… |
| 153.75.32.0 – 153.75.47.255 | 4,096 | US |
allocated | 2026-03-26 | 7c3b98569bb3… |
| 216.177.156.0 – 216.177.156.255 | 256 | US |
allocated | 2026-03-26 | e366de053890… |
| 23.155.20.0 – 23.155.20.255 | 256 |  TH |
allocated | 2026-03-25 | bdd7643fda0b… |
| 23.155.36.0 – 23.155.36.255 | 256 | US |
allocated | 2026-03-25 | 5c5a9c76453c… |
| 23.155.44.0 – 23.155.44.255 | 256 | CA |
allocated | 2026-03-25 | 8fdab2b05c57… |
| 23.155.52.0 – 23.155.52.255 | 256 | MY |
allocated | 2026-03-25 | 8c4a9eddf881… |
| 23.155.60.0 – 23.155.60.255 | 256 | US |
allocated | 2026-03-25 | b419d5d47238… |
| 68.64.48.0 – 68.64.48.255 | 256 | US |
allocated | 2026-03-25 | 455c398d5de3… |
| 68.64.55.0 – 68.64.55.255 | 256 | US |
allocated | 2026-03-25 | 455c398d5de3… |
| 144.208.122.0 – 144.208.123.255 | 512 | US |
allocated | 2026-03-25 | 2a936f98a25f… |
| 192.65.36.0 – 192.65.37.255 | 512 | US |
allocated | 2026-03-25 | ba42abadf629… |
| 153.57.64.0 – 153.57.127.255 | 16,384 | US |
allocated | 2026-03-24 | 1773cd35def4… |
| 153.57.192.0 – 153.57.223.255 | 8,192 | US |
allocated | 2026-03-24 | 2df6413af3a6… |
| 153.76.96.0 – 153.76.111.255 | 4,096 | US |
allocated | 2026-03-24 | c2ca6cf93b12… |
| 151.123.168.0 – 151.123.169.255 | 512 | US |
allocated | 2026-03-23 | 0553725a9a12… |
| 167.254.176.0 – 167.254.183.255 | 2,048 | US |
allocated | 2026-03-23 | 8fc0ead83da4… |
| 198.181.154.0 – 198.181.154.255 | 256 | US |
allocated | 2026-03-23 | e5675d10d8a2… |
| 206.225.132.0 – 206.225.132.255 | 256 | US |
allocated | 2026-03-23 | 1adad16471a5… |
| 149.112.78.0 – 149.112.78.255 | 256 | US |
allocated | 2026-03-20 | 938bef77e2c4… |
| 151.123.184.0 – 151.123.185.255 | 512 | CA |
allocated | 2026-03-20 | d6a6bedcaa64… |
| 167.254.200.0 – 167.254.207.255 | 2,048 | CA |
allocated | 2026-03-20 | dbeeaeb280ee… |
| 192.255.64.0 – 192.255.127.255 | 16,384 | US |
allocated | 2026-03-20 | 19223b7f5c43… |
| 199.7.70.0 – 199.7.70.255 | 256 | US |
allocated | 2026-03-20 | 938bef77e2c4… |
| 207.207.209.0 – 207.207.209.255 | 256 | US |
allocated | 2026-03-20 | e24ecef04a36… |
| 31.207.1.0 – 31.207.1.255 | 256 | US |
allocated | 2026-03-19 | 5d1ff38de607… |
| 68.65.214.0 – 68.65.214.255 | 256 | US |
allocated | 2026-03-19 | 37ec555ecb97… |
| 142.99.106.0 – 142.99.107.255 | 512 | CA |
allocated | 2026-03-19 | 03f23e3ed105… |
| 153.116.0.0 – 153.116.255.255 | 65,536 | US |
allocated | 2026-03-19 | 65bd7b9b7ee2… |
| 167.104.49.0 – 167.104.49.255 | 256 | US |
allocated | 2026-03-19 | f790669b5a99… |
| 192.64.24.0 – 192.64.24.255 | 256 | US |
allocated | 2026-03-19 | 03d07d5a0e68… |
| 198.60.248.0 – 198.60.255.255 | 2,048 | US |
allocated | 2026-03-19 | 2b475e1a25ae… |
| 23.154.228.0 – 23.154.228.255 | 256 | US |
allocated | 2026-03-18 | 8c9d62c33724… |
| 23.154.236.0 – 23.154.236.255 | 256 | US |
allocated | 2026-03-18 | 54265d024776… |
| 23.154.244.0 – 23.154.244.255 | 256 | US |
allocated | 2026-03-18 | 58e466fd8339… |
| 23.154.252.0 – 23.154.252.255 | 256 | US |
allocated | 2026-03-18 | e5b59aaab4c5… |
| 23.155.4.0 – 23.155.4.255 | 256 |  PH |
allocated | 2026-03-18 | 5c018b5fc6b5… |
| 23.155.12.0 – 23.155.12.255 | 256 | US |
allocated | 2026-03-18 | b9c228c78433… |
| 66.39.208.0 – 66.39.223.255 | 4,096 | US |
allocated | 2026-03-18 | ea669931a641… |
| 66.198.225.0 – 66.198.225.255 | 256 |  KN |
allocated | 2026-03-18 | ff490b631533… |
| 74.126.144.0 – 74.126.159.255 | 4,096 | US |
allocated | 2026-03-18 | ea669931a641… |
| 167.254.32.0 – 167.254.63.255 | 8,192 | US |
allocated | 2026-03-18 | 1e02279c22c8… |
| 167.254.168.0 – 167.254.171.255 | 1,024 | US |
allocated | 2026-03-18 | 7106c0bb666c… |
| 167.254.184.0 – 167.254.191.255 | 2,048 | US |
allocated | 2026-03-18 | 76d2822ffef5… |
| 170.178.152.0 – 170.178.155.255 | 1,024 | US |
allocated | 2026-03-18 | 6a89eb3aa2ac… |