UltraTelecom Provedora de Internet

Data as of 2026-10-11
BGP inherited
This organisation
Netblocks105 · 19,456 IPv4 addresses
IPv6 20 prefixes (largest 2804:e24::/32)
Record ID245618056
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (105)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.164.206.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
131.255.132.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
131.255.132.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
131.255.132.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
131.255.133.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
131.255.134.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
131.255.134.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
131.255.135.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.90.28.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.90.28.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.90.28.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.90.29.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.90.30.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.90.30.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.90.31.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.195.228.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.195.228.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.195.228.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.195.229.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.195.230.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.195.230.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
168.195.231.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.64.0/19 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.64.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.64.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.64.0/20 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.66.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.68.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.68.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.70.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.72.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.72.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.74.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.76.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.76.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.76.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.77.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.78.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.78.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.79.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.80.0/21 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.80.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.80.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.82.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.84.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.84.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.86.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.88.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.88.0/21 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.88.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.88.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.90.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.92.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.92.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.92.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.93.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.94.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.94.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.95.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.125.181.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.129.200.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.129.200.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.129.200.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.129.201.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.129.202.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.129.202.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.129.203.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.200.128.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.200.128.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.200.128.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.200.129.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.200.130.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.200.130.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.200.131.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
179.43.4.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
179.43.5.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
179.63.176.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
179.63.176.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
179.63.177.0/24 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
186.209.244.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
186.209.248.0/21 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
186.219.56.0/22 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
186.219.56.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
186.219.58.0/23 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24::/32 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24::/33 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:8000::/33 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fd40::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fd60::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fd80::/42 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fd80::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fd80::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fd90::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fda0::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fda0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fdb0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fe00::/42 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fec0::/42 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fec0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fed0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fee0::/43 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fee0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fef0::/44 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
2804:e24:fff4::/48 UltraTelecom Provedora de Internet BGP ANNOUNCED ● high
177.37.95.203/32 UNKNOWN LACNIC reassigned ● medium

IPv6 ranges (20)

Footprint over time

16 weekly snapshots · JSON
136 +31 netblocks since 2026-07-05
2026-07-05 peak 136 2026-10-11

Domains this organisation publishes

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Other domains hosted in this network

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Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (136 of 136)
No discrepancies found among checked blocks.

NIC Handles

08543640000150 AS262417 GUZAN2 GUZAN2 GUZAN2