IUB Telecom Ltda
Cluster stats
| Netblocks | 21 |
| Cluster ID | 191595401 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (21)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 138.204.196.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 138.204.196.0/22 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 138.204.197.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 138.204.198.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 138.204.199.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 170.80.132.0/22 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 170.80.132.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 170.80.133.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 170.80.134.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 170.80.135.0/24 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 2804:277c::/33 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 2804:277c::/34 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 2804:277c::/32 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 2804:277c:4000::/34 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 2804:277c:8000::/34 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 2804:277c:8000::/33 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 2804:277c:c000::/34 | IUB Telecom Ltda | BGP | ANNOUNCED | ● high |
| 123.49.34.48/29 | IUB-DHK | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 123.49.42.16/29 | IUB-CTG | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 212.201.44.0 – 212.201.49.255 | IUB-NET | RIPE | ASSIGNED PA | ● low |
| 2001:638:709::/48 | IUB-NET | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
19.0%
of checked blocks have valid RPKI ROA coverage
(4 of 21)
Possible discrepancies (2)
These blocks are registered to IUB Telecom Ltda 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.
| 2001:638:709::/48 /48 | authorized for AS680 — Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. |
| 212.201.44.0 – 212.201.49.255 /21 | authorized for AS680 — Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. |
NIC Handles
AB1235-AP
AS263904
DFN-HM-MNT
DFN-LIR-MNT
DUMY-RIPE
DUMY-RIPE
HA128-AP
MAINT-BD-BTTB
RM324-AP