Bytesize Internet LLC

Data as of 2026-10-11
BGP inherited
This organisation
Netblocks17 · 2,304 IPv4 addresses
IPv6 11 prefixes (largest 2606:7540::/32)
Record ID246016693
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 7 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 (17)

⬇ export CSV
CIDR Org name Registry Status Confidence
23.187.144.0/24 Bytesize Internet LLC BGP ANNOUNCED ● high
23.187.145.0/24 Bytesize Internet LLC ARIN DIRECT ALLOCATION ● high
23.187.146.0/24 Bytesize Internet LLC BGP ANNOUNCED ● high
23.187.147.0/24 Bytesize Internet LLC BGP ANNOUNCED ● high
66.23.192.0/24 Bytesize Internet LLC ARIN ALLOCATION ● high
66.118.40.0/22 Bytesize Internet LLC ARIN DIRECT ALLOCATION ● high
2604:4d40::/36 Bytesize Internet LLC ARIN ALLOCATION ● high
2604:4d40:eff::/48 Bytesize Internet LLC BGP ANNOUNCED ● high
2604:4d40:2000::/36 Bytesize Internet LLC ARIN ALLOCATION ● high
2604:4d40:3000::/36 Bytesize Internet LLC ARIN ALLOCATION ● high
2606:7540::/32 Bytesize Internet LLC ARIN DIRECT ALLOCATION ● high
2606:7540:5::/48 Bytesize Internet LLC BGP ANNOUNCED ● high
2606:7540:a::/48 Bytesize Internet LLC BGP ANNOUNCED ● high
2606:7540:b::/48 Bytesize Internet LLC BGP ANNOUNCED ● high
2606:7540:c::/48 Bytesize Internet LLC BGP ANNOUNCED ● high
2606:7540:d::/48 Bytesize Internet LLC BGP ANNOUNCED ● high
2606:7540:e::/48 Bytesize Internet LLC BGP ANNOUNCED ● high

IPv6 ranges (11)

Footprint over time

16 weekly snapshots · JSON
21 +8 netblocks since 2026-07-05
2026-07-05 peak 21 2026-10-11

Network trust

what's this?
RPKI hygiene: C how networks compare →
76.2% of checked blocks have valid RPKI ROA coverage (16 of 21)
Possible discrepancies (1)

These blocks are registered to Bytesize Internet LLC 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.

66.23.192.0/24 /24 authorized for AS55272 — NameCrane LLC

NIC Handles

ABUSE7233-ARIN ADMIN6848-ARIN AS213073 AS46978 BIL-123 NOC32853-ARIN TECH1117-ARIN