G M DA COSTA INTERNET

Data as of 2026-08-30
BGP inherited
Cluster stats
Netblocks9 · 1,028 IPv4 addresses
IPv6 4 prefixes (largest 2001:12f8::210:248/128)
All fragments 36 blocks across 18 clusters
Cluster ID233784457
RegistryPEERINGDB
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

10 weekly snapshots · JSON
9 -8 netblocks since 2026-07-05
2026-07-05 peak 17 2026-08-30

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
187.16.210.248/32 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
187.16.219.239/32 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
187.16.221.91/32 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
187.16.223.237/32 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
2001:12f8::210:248/128 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
2001:12f8::219:239/128 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
2001:12f8::221:91/128 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
2001:12f8::223:237/128 G M DA COSTA INTERNET PEERINGDB ASSIGNED ● high
45.226.124.0/22 G M DA COSTA INTERNET ARIN ALLOCATED ● low

IPv6 ranges (4)

CIDR
2001:12f8::210:248/128
2001:12f8::219:239/128
2001:12f8::221:91/128
2001:12f8::223:237/128

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)
Possible discrepancies (1)

These blocks are registered to G M DA COSTA INTERNET 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.

45.226.124.0/22 /22 authorized for AS266962 — AS266962

NIC Handles

14114499000172 AS266962 GIMCO81 GIMCO81 ISTCO17