American Registry for Internet Numbers
Data as of 2026-11-08
BGP inherited
This organisation
| Netblocks | 66 · 956,301,312 IPv4 addresses |
| IPv6 | 7 prefixes (largest 2600::/12) |
| Registered in | United States (58) · Canada (1) |
| Record ID | 268575211 |
| Registry | ARIN |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (66)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 3.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 4.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 8.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 9.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 12.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 13.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 15.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 16.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 18.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 20.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 23.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 23.135.225.0/24 | American Registry for Internet Numbers | ARIN | DIRECT ALLOCATION | ● high |
| 24.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 32.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 34.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 35.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 40.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 44.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 45.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 47.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 48.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 50.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 52.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 54.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 56.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 63.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 64.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 65.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 66.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 67.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 68.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 69.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 70.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 71.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 72.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 73.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 74.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 75.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 76.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 96.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 97.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 98.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 99.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 100.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 104.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 107.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 108.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 173.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 174.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 184.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 199.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 204.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 205.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 205.196.98.0/24 | American Registry for Internet Numbers | ARIN | DIRECT ALLOCATION | ● high |
| 206.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 207.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 208.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 209.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 216.0.0.0/8 | American Registry for Internet Numbers | ARIN | ● high | |
| 2001:400::/23 | American Registry for Internet Numbers | ARIN | ● high | |
| 2001:1800::/23 | American Registry for Internet Numbers | ARIN | ● high | |
| 2001:4800::/23 | American Registry for Internet Numbers | ARIN | ● high | |
| 2600::/12 | American Registry for Internet Numbers | ARIN | ● high | |
| 2610::/23 | American Registry for Internet Numbers | ARIN | ● high | |
| 2620::/23 | American Registry for Internet Numbers | ARIN | ● high | |
| 2630::/12 | American Registry for Internet Numbers | ARIN | ● high |
IPv6 ranges (7)
Network trust
what's this?
RPKI hygiene: F
how networks compare →
1.5%
of checked blocks have valid RPKI ROA coverage
(1 of 66)
Possible discrepancies (1)
These blocks are registered to American Registry for Internet Numbers but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 73.0.0.0/8 /8 | authorized for AS7922 — Comcast Cable Communications, LLC |
NIC Handles
ARIN
ARIN-2
ARIN-HOSTMASTER
ARIN-HOSTMASTER
ARIN-HOSTMASTER
ARIND5-ARIN
ARIND6-ARIN
ARINL3-ARIN
ARINL3-ARIN
ARINN-ARIN