L R DA FONSECA ME
BGP inherited
Cluster stats
Netblocks12
All fragments 39 blocks across 4 clusters
Cluster ID191339359
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 1 shared RIR contact/maintainer handle
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

3 weekly snapshots · JSON
12 0 netblocks since 2026-07-05
2026-07-05 peak 12 2026-07-12

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
177.91.132.0/22 AS263443 BGP ANNOUNCED ● high
177.91.132.0/23 L R DA FONSECA ME BGP ANNOUNCED ● high
177.91.134.0/23 L R DA FONSECA ME BGP ANNOUNCED ● high
177.91.135.0/24 L R DA FONSECA ME BGP ANNOUNCED ● high
2804:11d8::/32 AS263443 BGP ANNOUNCED ● high
2804:11d8:8000::/48 AS263443 BGP ANNOUNCED ● high
177.91.133.196/30 UNKNOWN LACNIC reassigned ● medium
177.91.133.248/30 UNKNOWN LACNIC reassigned ● medium
177.91.135.88/29 UNKNOWN LACNIC reassigned ● medium
177.91.135.228/30 UNKNOWN LACNIC reallocated ● medium
2804:11d8::/32 UNKNOWN LACNIC allocated ● medium
2804:11d8:dd00::/40 UNKNOWN LACNIC reassigned ● medium

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (12 of 12)
Possible discrepancies (8)

These blocks are registered to L R DA FONSECA ME 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.

2804:11d8::/32 /32 authorized for AS263443 — AS263443
2804:11d8::/32 /32 authorized for AS263443 — AS263443
2804:11d8:dd00::/40 /40 authorized for AS263443 — AS263443
2804:11d8:8000::/48 /48 authorized for AS263443 — AS263443
177.91.132.0/22 /22 authorized for AS263443 — AS263443
177.91.132.0/23 /23 authorized for AS263443 — AS263443
177.91.134.0/23 /23 authorized for AS263443 — AS263443
177.91.135.0/24 /24 authorized for AS263443 — AS263443

NIC Handles

AS263443