Think On, Inc.

Data as of 2026-10-04
BGP inherited
This organisation
Netblocks70 · 21,760 IPv4 addresses
IPv6 6 prefixes (largest 2604:400::/32)
Registered in Canada (42) · United States (24) · Australia (3)
Record ID245452506
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 29 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (70)

⬇ export CSV
CIDR Org name Registry Status Confidence
38.20.176.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.20.177.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.64.168.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.64.175.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.64.255.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.69.220.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.84.8.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.99.138.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.102.93.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.102.103.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.111.99.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.117.68.0/22 Think On, Inc. ARIN ASSIGNMENT ● high
38.117.68.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.117.69.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.117.70.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.117.71.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.117.123.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.121.58.0/24 Think On, Inc. ARIN ALLOCATION ● high
38.129.0.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.129.58.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.247.123.0/24 Think On, Inc. BGP ANNOUNCED ● high
38.248.1.0/24 Think On, Inc. BGP ANNOUNCED ● high
104.153.56.0/22 Think On, Inc. ARIN DIRECT ALLOCATION ● high
104.153.56.0/23 Think On, Inc. BGP ANNOUNCED ● high
104.153.58.0/24 Think On, Inc. BGP ANNOUNCED ● high
104.153.59.0/24 Think On, Inc. BGP ANNOUNCED ● high
149.5.5.0/24 Think On, Inc. BGP ANNOUNCED ● high
160.191.42.0/24 Think On, Inc. BGP ANNOUNCED ● high
162.253.196.0/22 Think On, Inc. BGP ANNOUNCED ● high
192.69.133.0/24 Think On, Inc. BGP ANNOUNCED ● high
192.92.244.0/24 Think On, Inc. BGP ANNOUNCED ● high
192.92.244.0/22 Think On, Inc. ARIN DIRECT ALLOCATION ● high
192.92.245.0/24 Think On, Inc. BGP ANNOUNCED ● high
192.92.246.0/24 Think On, Inc. BGP ANNOUNCED ● high
192.92.247.0/24 Think On, Inc. BGP ANNOUNCED ● high
192.188.2.0/24 Think On, Inc. ARIN DIRECT ALLOCATION ● high
192.226.54.0/24 Think On, Inc. BGP ANNOUNCED ● high
192.226.55.0/24 Think On, Inc. BGP ANNOUNCED ● high
199.7.235.0/24 Think On, Inc. BGP ANNOUNCED ● high
203.14.38.0/24 Think On, Inc. BGP ANNOUNCED ● high
203.15.172.0/23 Think On, Inc. BGP ANNOUNCED ● high
204.10.20.0/23 Think On, Inc. BGP ANNOUNCED ● high
204.10.20.0/22 Think On, Inc. BGP ANNOUNCED ● high
204.10.23.0/24 Think On, Inc. BGP ANNOUNCED ● high
206.197.9.0/24 Think On, Inc. ARIN DIRECT ALLOCATION ● high
208.88.164.0/24 Think On, Inc. BGP ANNOUNCED ● high
208.88.164.0/22 Think On, Inc. ARIN DIRECT ALLOCATION ● high
208.88.165.0/24 Think On, Inc. BGP ANNOUNCED ● high
208.88.166.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.0.0/19 Think On, Inc. ARIN DIRECT ALLOCATION ● high
216.83.4.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.5.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.9.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.10.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.11.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.19.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.20.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.23.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.24.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.25.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.27.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.28.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.83.29.0/24 Think On, Inc. BGP ANNOUNCED ● high
216.208.121.0/24 Think On, Inc. BGP ANNOUNCED ● high
2001:550:1800::/48 Think On, Inc. BGP ANNOUNCED ● high
2604:400::/32 Think On, Inc. ARIN DIRECT ALLOCATION ● high
2604:8dc0::/32 Think On, Inc. ARIN DIRECT ALLOCATION ● high
2604:8dc0:100::/40 Think On, Inc. BGP ANNOUNCED ● high
2606:4380::/32 Think On, Inc. ARIN DIRECT ALLOCATION ● high
2607:ae00::/32 Think On, Inc. ARIN DIRECT ALLOCATION ● high

IPv6 ranges (6)

CIDR
2604:400::/32
2604:8dc0::/32
2606:4380::/32
2607:ae00::/32
2604:8dc0:100::/40
2001:550:1800::/48

Footprint over time

15 weekly snapshots · JSON
75 +16 netblocks since 2026-07-05
2026-07-05 peak 75 2026-10-04

Other domains hosted in this network

what's this?
belhaven.edu

Network trust

what's this?
RPKI hygiene: C how networks compare →
62.7% of checked blocks have valid RPKI ROA coverage (47 of 75)
Possible discrepancies (5)

These blocks are registered to Think On, Inc. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

204.10.20.0/22 /22 authorized for AS21959 — Railcar Management Inc
204.10.20.0/22 /22 authorized for AS21959 — Railcar Management Inc
203.15.172.0/23 /23 authorized for AS9336 — XYZ Telecom Pty Ltd
204.10.20.0/23 /23 authorized for AS21959 — Railcar Management Inc
204.10.23.0/24 /24 authorized for AS21959 — Railcar Management Inc

NIC Handles

ADMIN3998-ARIN AS21959 AS26225 AS30406 AS394085 AS395225 AS396306 AS397468 AS397905 AS40474 AS40635 AS9336 +17 more