CNT Fiber

Data as of 2026-10-11
BGP inherited
This organisation
Netblocks39 · 2,304 IPv4 addresses
IPv6 23 prefixes (largest 2804:14e0::/32)
Registered in Brazil (17) · EC (1)
Record ID245699054
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (39)

⬇ export CSV
CIDR Org name Registry Status Confidence
191.37.72.0/23 CNT Fiber BGP ANNOUNCED ● high
191.37.72.0/22 CNT Fiber BGP ANNOUNCED ● high
191.37.72.0/21 CNT Fiber BGP ANNOUNCED ● high
191.37.72.0/24 CNT Fiber BGP ANNOUNCED ● high
191.37.73.0/24 CNT Fiber BGP ANNOUNCED ● high
191.37.74.0/23 CNT Fiber BGP ANNOUNCED ● high
191.37.74.0/24 CNT Fiber BGP ANNOUNCED ● high
191.37.75.0/24 CNT Fiber BGP ANNOUNCED ● high
191.37.76.0/22 CNT Fiber BGP ANNOUNCED ● high
191.37.76.0/23 CNT Fiber BGP ANNOUNCED ● high
191.37.76.0/24 CNT Fiber BGP ANNOUNCED ● high
191.37.77.0/24 CNT Fiber BGP ANNOUNCED ● high
191.37.78.0/23 CNT Fiber BGP ANNOUNCED ● high
191.37.78.0/24 CNT Fiber BGP ANNOUNCED ● high
191.37.79.0/24 CNT Fiber BGP ANNOUNCED ● high
2804:14e0::/34 CNT Fiber BGP ANNOUNCED ● high
2804:14e0::/32 CNT Fiber BGP ANNOUNCED ● high
2804:14e0::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0::/33 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:1000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:2000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:3000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:4000::/34 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:4000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:5000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:6000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:7000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:8000::/34 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:8000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:8000::/33 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:9000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:a000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:b000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:c000::/34 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:c000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:d000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:e000::/36 CNT Fiber BGP ANNOUNCED ● high
2804:14e0:f000::/36 CNT Fiber BGP ANNOUNCED ● high
201.219.0.0/24 CNT EP. LACNIC REALLOCATED ● low

IPv6 ranges (23)

CIDR
2804:14e0::/32
2804:14e0:8000::/33
2804:14e0::/33
2804:14e0:4000::/34
2804:14e0:8000::/34
2804:14e0::/34
2804:14e0:c000::/34
2804:14e0:1000::/36
2804:14e0:2000::/36
2804:14e0:3000::/36
2804:14e0:4000::/36
2804:14e0:5000::/36
2804:14e0:6000::/36
2804:14e0:7000::/36
2804:14e0:8000::/36
2804:14e0:9000::/36
2804:14e0::/36
2804:14e0:a000::/36
2804:14e0:b000::/36
2804:14e0:c000::/36
2804:14e0:d000::/36
2804:14e0:e000::/36
2804:14e0:f000::/36

Footprint over time

8 weekly snapshots · JSON
42 -29 netblocks since 2026-07-05
2026-07-05 peak 71 2026-10-11

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (42 of 42)
No discrepancies found among checked blocks.

NIC Handles

08892029000137 AMSAR103 AS263356 CNILT14 CNILT14 EC-CNEP-LACNIC EC-CNEP-LACNIC FBM FBM FBM FBM FBM +1 more