UltraTelecom Provedora de Internet

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks53 · 13,312 IPv4 addresses
IPv6 17 prefixes (largest 2804:e24:fd80::/42)
Cluster ID213310110
RegistryBGP
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

6 weekly snapshots · JSON
53 -52 netblocks since 2026-07-05
2026-07-05 peak 105 2026-07-26

IP Ranges (53)

showing 50 of 53 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
45.164.206.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
131.255.132.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
131.255.133.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
131.255.134.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
131.255.135.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
168.90.29.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
168.90.30.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
168.90.31.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
168.195.228.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
168.195.229.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
168.195.230.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
168.195.231.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.76.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.77.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.78.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.79.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.80.0/21 UltraTelecom Provedora de Internet ARIN ALLOCATED ● low
177.37.88.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.88.0/21 UltraTelecom Provedora de Internet ARIN ALLOCATED ● low
177.37.92.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.93.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.94.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.37.95.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.125.181.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.129.200.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.129.201.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.129.202.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.129.203.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.200.128.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.200.129.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.200.130.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
177.200.131.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
179.43.5.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
179.63.176.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
179.63.177.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
186.209.248.0/21 UltraTelecom Provedora de Internet ARIN ALLOCATED ● low
2804:e24:fd40::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fd60::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fd80::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fd80::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fd80::/42 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fd90::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fda0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fda0::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fdb0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fe00::/42 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fec0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fec0::/42 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fed0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low
2804:e24:fee0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● low

IPv6 ranges (17)

showing the 15 largest allocations
CIDR
2804:e24:fd80::/42
2804:e24:fe00::/42
2804:e24:fec0::/42
2804:e24:fd40::/43
2804:e24:fd60::/43
2804:e24:fd80::/43
2804:e24:fda0::/43
2804:e24:fee0::/43
2804:e24:fd80::/44
2804:e24:fd90::/44
2804:e24:fda0::/44
2804:e24:fdb0::/44
2804:e24:fec0::/44
2804:e24:fed0::/44
2804:e24:fee0::/44

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (53 of 53)
Possible discrepancies (53)

These blocks are registered to UltraTelecom Provedora de 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.

2804:e24:fd80::/42 /42 authorized for AS262417 — AS262417
2804:e24:fe00::/42 /42 authorized for AS262417 — AS262417
2804:e24:fec0::/42 /42 authorized for AS262417 — AS262417
2804:e24:fd40::/43 /43 authorized for AS262417 — AS262417
2804:e24:fd60::/43 /43 authorized for AS262417 — AS262417
2804:e24:fd80::/43 /43 authorized for AS262417 — AS262417
2804:e24:fda0::/43 /43 authorized for AS262417 — AS262417
2804:e24:fee0::/43 /43 authorized for AS262417 — AS262417
2804:e24:fd80::/44 /44 authorized for AS262417 — AS262417
2804:e24:fd90::/44 /44 authorized for AS262417 — AS262417
2804:e24:fda0::/44 /44 authorized for AS262417 — AS262417
2804:e24:fdb0::/44 /44 authorized for AS262417 — AS262417
2804:e24:fec0::/44 /44 authorized for AS262417 — AS262417
2804:e24:fed0::/44 /44 authorized for AS262417 — AS262417
2804:e24:fee0::/44 /44 authorized for AS262417 — AS262417
+38 more — see the REST API

NIC Handles

08543640000150 AS262417 GUZAN2 GUZAN2 GUZAN2