Core Transit LLC

Data as of 2026-09-06
BGP inherited
This organisation
Netblocks34 · 12,288 IPv4 addresses
IPv6 10 prefixes (largest 2607:77c0::/32)
Also registered under this name 36 netblocks across 2 separate records
Record ID236376750
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 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 (34)

⬇ export CSV
CIDR Org name Registry Status Confidence
23.145.20.0/24 Core Transit LLC BGP ANNOUNCED ● high
23.152.68.0/24 Core Transit LLC BGP ANNOUNCED ● high
50.20.192.0/24 Core Transit LLC BGP ANNOUNCED ● high
50.20.195.0/24 Core Transit LLC BGP ANNOUNCED ● high
134.199.54.0/24 Core Transit LLC BGP ANNOUNCED ● high
134.199.56.0/23 Core Transit LLC BGP ANNOUNCED ● high
134.199.56.0/24 Core Transit LLC BGP ANNOUNCED ● high
167.88.212.0/24 Core Transit LLC BGP ANNOUNCED ● high
167.88.222.0/24 Core Transit LLC BGP ANNOUNCED ● high
172.81.148.0/22 Core Transit LLC BGP ANNOUNCED ● high
192.34.112.0/24 Core Transit LLC BGP ANNOUNCED ● high
216.146.16.0/24 Core Transit LLC BGP ANNOUNCED ● high
216.146.17.0/24 Core Transit LLC BGP ANNOUNCED ● high
216.146.18.0/24 Core Transit LLC BGP ANNOUNCED ● high
216.146.19.0/24 Core Transit LLC BGP ANNOUNCED ● high
2602:81c:3000::/44 Core Transit LLC BGP ANNOUNCED ● high
2602:81c:f000::/44 Core Transit LLC BGP ANNOUNCED ● high
2607:77c0:1000::/36 Core Transit LLC BGP ANNOUNCED ● high
2607:77c0:2000::/36 Core Transit LLC BGP ANNOUNCED ● high
2607:77c0:3000::/36 Core Transit LLC BGP ANNOUNCED ● high
2607:77c0:4000::/48 Core Transit LLC BGP ANNOUNCED ● high
2607:77c0:4001::/48 Core Transit LLC BGP ANNOUNCED ● high
2607:77c0:5000::/36 Core Transit LLC BGP ANNOUNCED ● high
23.178.168.0/24 Core Transit LLC ARIN DIRECT ALLOCATION ● low
38.57.176.0/21 Core Transit LLC ARIN ALLOCATION ● low
50.20.192.0/22 Core Transit LLC ARIN DIRECT ALLOCATION ● low
130.51.198.0/23 Core Transit LLC ARIN DIRECT ALLOCATION ● low
134.199.54.0 – 134.199.57.255 Core Transit LLC ARIN DIRECT ALLOCATION ● low
167.88.208.0/20 Core Transit LLC ARIN DIRECT ALLOCATION ● low
192.34.112.0/23 Core Transit LLC ARIN ALLOCATION ● low
198.102.29.0/24 Core Transit LLC ARIN DIRECT ALLOCATION ● low
216.146.17.0 – 216.146.17.247 Core Transit LLC ARIN ALLOCATION ● low
2001:550:1b03::/48 Core Transit LLC ARIN ALLOCATION ● low
2607:77c0::/32 Core Transit LLC ARIN DIRECT ALLOCATION ● low

IPv6 ranges (10)

CIDR
2607:77c0::/32
2607:77c0:1000::/36
2607:77c0:2000::/36
2607:77c0:3000::/36
2607:77c0:5000::/36
2602:81c:3000::/44
2602:81c:f000::/44
2001:550:1b03::/48
2607:77c0:4000::/48
2607:77c0:4001::/48

Footprint over time

11 weekly snapshots · JSON
34 +11 netblocks since 2026-07-05
2026-07-05 peak 34 2026-09-06

Domains hosted in this network

what's this?
moldybits.net

Network trust

what's this?
RPKI hygiene: B how networks compare →
82.4% of checked blocks have valid RPKI ROA coverage (28 of 34)
Possible discrepancies (1)

These blocks are registered to Core Transit 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.

198.102.29.0/24 /24 authorized for AS54971 — Brown Technologies, LLC

NIC Handles

AS1097 CTL-387 FSSC-ARIN IPADM900-ARIN MOORE1847-ARIN SCHAE288-ARIN