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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

IPv4 blocks IPv6 blocks ASNs
RangeAddressesCountryStatusAllocatedOrg handle
23.141.204.0 – 23.141.204.255 256 US allocated 2025-07-16 8aeffae7723a…
23.141.212.0 – 23.141.212.255 256 US allocated 2025-07-16 97555d78c7e6…
23.141.220.0 – 23.141.220.255 256 US allocated 2025-07-16 7e5d25c2bd0f…
23.141.228.0 – 23.141.228.255 256 US allocated 2025-07-16 917af8f73c7e…
209.250.24.0 – 209.250.31.255 2,048 US allocated 2025-07-16 9caff45743f0…
23.141.132.0 – 23.141.132.255 256 US allocated 2025-07-15 4497ca81e674…
23.141.140.0 – 23.141.140.255 256 US allocated 2025-07-15 1df1a9b787bc…
23.141.148.0 – 23.141.148.255 256 US allocated 2025-07-15 64897ea7ca9e…
64.70.112.0 – 64.70.127.255 4,096 US allocated 2025-07-15 ebb9f50f7003…
74.207.200.0 – 74.207.207.255 2,048 US allocated 2025-07-14 80a23484fe84…
104.192.43.0 – 104.192.43.255 256 US allocated 2025-07-14 51bbd000d26e…
184.170.193.0 – 184.170.193.255 256 US allocated 2025-07-14 fc7d20c451d0…
23.141.124.0 – 23.141.124.255 256 US allocated 2025-07-11 720175f56397…
64.63.192.0 – 64.63.255.255 16,384 US allocated 2025-07-11 a9c0fadb4f35…
161.108.204.0 – 161.108.204.255 256 US allocated 2025-07-11 0ef3ac14d7fe…
199.4.211.0 – 199.4.211.255 256 US allocated 2025-07-11 38b893ecb59b…
206.72.220.0 – 206.72.223.255 1,024 US allocated 2025-07-11 91796fe43817…
209.205.232.0 – 209.205.235.255 1,024 US allocated 2025-07-11 237442ba1dd6…
23.141.108.0 – 23.141.108.255 256 US allocated 2025-07-10 4039e114f76c…
23.141.116.0 – 23.141.116.255 256 VN allocated 2025-07-10 b4381227afc5…
67.208.32.0 – 67.208.47.255 4,096 US allocated 2025-07-10 f98a02922ceb…
91.85.160.0 – 91.85.191.255 8,192 US allocated 2025-07-10 061e2bc73429…
23.141.92.0 – 23.141.92.255 256 TH allocated 2025-07-09 ab10d1d35f17…
23.141.100.0 – 23.141.100.255 256 US allocated 2025-07-09 33817f753602…
23.148.155.0 – 23.148.155.255 256 US allocated 2025-07-09 d4915765c6b3…
104.204.96.0 – 104.204.127.255 8,192 US allocated 2025-07-09 7b298f3742c0…
108.174.65.0 – 108.174.65.255 256 US allocated 2025-07-09 37ec555ecb97…
108.174.70.0 – 108.174.70.255 256 CA allocated 2025-07-09 799492096c86…
148.227.175.0 – 148.227.175.255 256 CA allocated 2025-07-09 83e2d23ea958…
184.170.200.0 – 184.170.203.255 1,024 US allocated 2025-07-09 7440b9e2753c…
192.64.215.0 – 192.64.215.255 256 US allocated 2025-07-09 4e3041b6f2ba…
198.13.16.0 – 198.13.17.255 512 US allocated 2025-07-09 0ed489778232…
198.13.18.0 – 198.13.19.255 512 US allocated 2025-07-09 259b33b7f5c6…
204.126.254.0 – 204.126.255.255 512 US allocated 2025-07-09 4b637df4b094…
204.187.94.0 – 204.187.94.255 256 US allocated 2025-07-09 68e9fac23de5…
23.141.52.0 – 23.141.52.255 256 US allocated 2025-07-08 53be97b2da13…
23.141.60.0 – 23.141.60.255 256 US allocated 2025-07-08 9f44d09fb351…
23.141.68.0 – 23.141.68.255 256 HK allocated 2025-07-08 0f2f33d1b10c…
23.141.76.0 – 23.141.76.255 256 US allocated 2025-07-08 092f63559b23…
23.141.84.0 – 23.141.84.255 256 US allocated 2025-07-08 693b571a43ae…
66.199.176.0 – 66.199.183.255 2,048 CA allocated 2025-07-08 f25fb54af87b…
69.90.168.0 – 69.90.175.255 2,048 CA allocated 2025-07-08 f25fb54af87b…
136.175.80.0 – 136.175.83.255 1,024 US allocated 2025-07-08 9843ea1e496f…
172.83.252.0 – 172.83.255.255 1,024 US allocated 2025-07-08 0e955d36648e…
192.104.11.0 – 192.104.11.255 256 US allocated 2025-07-08 7006099487b1…
206.168.186.0 – 206.168.186.255 256 US allocated 2025-07-08 95efa538863c…
209.209.120.0 – 209.209.123.255 1,024 US allocated 2025-07-08 6941d6fc8d42…
209.236.128.0 – 209.236.191.255 16,384 US allocated 2025-07-08 6b2c1f705520…
216.163.181.0 – 216.163.181.255 256 US allocated 2025-07-08 b38680665c9a…
216.163.182.0 – 216.163.182.255 256 US allocated 2025-07-08 b38680665c9a…
66.81.112.0 – 66.81.119.255 2,048 US allocated 2025-07-07 f87cd121af09…
69.5.187.0 – 69.5.187.255 256 US allocated 2025-07-07 800a17418118…
23.141.44.0 – 23.141.44.255 256 US allocated 2025-07-03 6bbf0ba17316…
23.141.28.0 – 23.141.28.255 256 US allocated 2025-07-02 c56dd54e68ad…
23.141.36.0 – 23.141.36.255 256 US allocated 2025-07-02 824a15dafb80…
66.81.136.0 – 66.81.143.255 2,048 US allocated 2025-07-02 ead061d9c368…
69.90.40.0 – 69.90.43.255 1,024 US allocated 2025-07-02 d25e1e0da3b6…
74.80.252.0 – 74.80.255.255 1,024 US allocated 2025-07-02 63a0b1d4de3a…
104.204.208.0 – 104.204.215.255 2,048 US allocated 2025-07-02 68e9fac23de5…
104.204.248.0 – 104.204.249.255 512 US allocated 2025-07-02 68e9fac23de5…
147.160.5.0 – 147.160.5.255 256 US allocated 2025-07-02 6ef1cf35ecbd…
153.45.0.0 – 153.45.255.255 65,536 US allocated 2025-07-02 01c7f05940c1…
167.17.96.0 – 167.17.111.255 4,096 US allocated 2025-07-02 9d9aadabac8b…
185.57.60.0 – 185.57.63.255 1,024 US allocated 2025-07-02 85d97ec23f6d…
192.100.5.0 – 192.100.5.255 256 US allocated 2025-07-02 3bfa54186c82…
192.107.49.0 – 192.107.49.255 256 US allocated 2025-07-02 09cb27174000…
192.160.34.0 – 192.160.34.255 256 US allocated 2025-07-02 f1ca1712ba41…
198.23.26.0 – 198.23.26.255 256 US allocated 2025-07-02 4ec8579b6b4b…
198.202.146.0 – 198.202.146.255 256 US allocated 2025-07-02 0f9074d1b347…
199.26.176.0 – 199.26.176.255 256 US allocated 2025-07-02 09562780d847…
199.74.235.0 – 199.74.235.255 256 US allocated 2025-07-02 f36c35ddaaef…
199.248.239.0 – 199.248.239.255 256 US allocated 2025-07-02 5ef37074f3e8…
204.48.116.0 – 204.48.119.255 1,024 US allocated 2025-07-02 c8ae1b86d2fb…
204.128.249.0 – 204.128.249.255 256 US allocated 2025-07-02 34e2dab5a2e4…
206.55.164.0 – 206.55.167.255 1,024 US allocated 2025-07-02 a0754c9d22fb…
216.238.36.0 – 216.238.39.255 1,024 CA allocated 2025-07-02 0f69a6181cd0…
23.140.228.0 – 23.140.228.255 256 PR allocated 2025-07-01 d38445182a69…
23.140.236.0 – 23.140.236.255 256 US allocated 2025-07-01 51be26898046…
23.140.244.0 – 23.140.244.255 256 US allocated 2025-07-01 58151b0b2b97…
23.140.252.0 – 23.140.252.255 256 US allocated 2025-07-01 91b4953efe47…
23.141.4.0 – 23.141.4.255 256 US allocated 2025-07-01 13b1f9e40969…
23.141.12.0 – 23.141.12.255 256 US allocated 2025-07-01 27d75d4231b2…
23.141.20.0 – 23.141.20.255 256 US allocated 2025-07-01 37a853daff53…
45.45.195.0 – 45.45.195.255 256 US allocated 2025-07-01 e6554ea67969…
64.66.45.0 – 64.66.45.255 256 US allocated 2025-07-01 a3db17d6e519…
66.118.254.0 – 66.118.254.255 256 US allocated 2025-07-01 8c34757f4391…
69.194.144.0 – 69.194.147.255 1,024 CA allocated 2025-07-01 112a22416d06…
69.194.148.0 – 69.194.151.255 1,024 US allocated 2025-07-01 1bda38b37a3b…
69.194.152.0 – 69.194.153.255 512 US allocated 2025-07-01 d6dbb744537a…
69.194.154.0 – 69.194.155.255 512 US allocated 2025-07-01 bdc6c3b938fa…
69.194.156.0 – 69.194.157.255 512 US allocated 2025-07-01 b9bc60264b91…
69.194.158.0 – 69.194.159.255 512 US allocated 2025-07-01 227677f7c218…
74.118.228.0 – 74.118.231.255 1,024 US allocated 2025-07-01 3ed798979c59…
104.156.154.0 – 104.156.154.255 256 US allocated 2025-07-01 9efffb6813b4…
104.192.72.0 – 104.192.72.255 256 CA allocated 2025-07-01 3c9d79d13591…
104.194.15.0 – 104.194.15.255 256 US allocated 2025-07-01 2cc3c1665c8d…
104.204.255.0 – 104.204.255.255 256 US allocated 2025-07-01 38b893ecb59b…
134.195.61.0 – 134.195.61.255 256 PR allocated 2025-07-01 53f30f829e16…
159.48.160.0 – 159.48.191.255 8,192 US allocated 2025-07-01 38b893ecb59b…
161.199.247.0 – 161.199.247.255 256 US allocated 2025-07-01 d972efac2be9…
2,601–2,700 of 80,536 « first‹ prev 2526272829 next ›last » of 806