Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 9 internet exchanges: IX.br (PTT.br) Salvador: ATM/MPLA, IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Rio de Janeiro: ATM/MPLA, AMS-IX, IX.br (PTT.br) Vitória: ATM/MPLA, Equinix São Paulo: Equinix IX - SP Metro, IX.br (PTT.br) Fortaleza: ATM/MPLA, IX.br (PTT.br) Brasília: ATM/MPLA, NYIIX New York
AS263903 — global IP footprint
Cities where AS263903 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 149.78.176.0/21 | 2.0K |
0.0%
|
INFORBARRA TELECOM | US | — | — |
| 191.128.0.0/21 | 2.0K |
0.0%
|
INFORBARRA TELECOM | BR | Bahia | Vitória da Conquista |
| 138.204.140.0/22 | 1.0K |
0.0%
|
INFORBARRA TELECOM | BR | Bahia | Ilhéus |
| 170.247.112.0/22 | 1.0K |
0.0%
|
INFORBARRA TELECOM | BR | Bahia | Caatiba |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS263903 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 170.247.115.0/24 | 136,830 | 2026-09-16 15:58:50 |
| 170.247.114.0/24 | 118,410 | 2026-09-16 15:58:50 |
| 191.128.1.0/24 | 108,214 | 2026-09-11 11:20:17 |
| 170.247.112.0/24 | 102,249 | 2026-09-16 15:58:50 |
| 149.78.182.0/23 | 94,728 | 2026-09-16 15:59:27 |
| 149.78.180.0/23 | 88,105 | 2026-09-16 15:59:22 |
| 138.204.141.0/24 | 79,988 | 2026-09-16 14:20:58 |
| 149.78.179.0/24 | 78,807 | 2026-09-16 15:59:27 |
| 149.78.176.0/23 | 78,124 | 2026-09-16 15:59:22 |
| 138.204.140.0/23 | 77,801 | 2026-09-16 15:58:50 |
| 191.128.7.0/24 | 76,660 | 2026-08-05 14:00:59 |
| 138.204.142.0/23 | 74,972 | 2026-09-16 15:58:50 |
| 191.128.0.0/23 | 71,333 | 2026-09-16 15:59:27 |
| 191.128.2.0/23 | 71,108 | 2026-09-16 15:59:27 |
| 138.204.140.0/24 | 70,665 | 2026-09-16 14:21:25 |
| 170.247.113.0/24 | 67,372 | 2026-09-16 15:25:42 |
| 191.128.6.0/23 | 59,465 | 2026-09-16 15:52:33 |
| 191.128.4.0/23 | 59,224 | 2026-09-16 15:52:33 |
| 191.128.4.0/24 | 52,837 | 2026-08-21 16:38:08 |
| 191.128.0.0/24 | 45,844 | 2026-09-06 15:36:06 |
| 138.204.143.0/24 | 40,510 | 2026-09-16 14:20:58 |
| 138.204.142.0/24 | 37,979 | 2026-09-16 14:20:58 |
| 191.128.6.0/24 | 33,600 | 2026-08-29 22:45:14 |
| 191.128.5.0/24 | 31,461 | 2026-08-04 02:12:24 |
| 191.128.3.0/24 | 30,764 | 2026-08-03 21:29:07 |
| 191.128.2.0/24 | 24,964 | 2026-08-04 02:16:17 |
| 149.78.178.0/24 | 12,239 | 2026-09-16 15:52:59 |
| 170.247.112.0/22 | 11,563 | 2026-08-05 17:19:18 |
| 170.247.112.0/23 | 11,517 | 2026-08-05 17:19:18 |
| 170.247.114.0/23 | 11,497 | 2026-08-05 17:19:18 |
| 187.49.172.0/22 | 11,288 | 2026-08-05 17:21:18 |
| 128.201.96.0/22 | 10,329 | 2026-08-05 17:19:39 |
| 128.201.99.0/24 | 592 | 2026-07-31 03:13:31 |
Frequently Asked Questions
What is AS263903?
AS263903 is an Autonomous System Number assigned to INFORBARRA TELECOM. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS263903 announce?
AS263903 announces 6.1K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS263903?
AS263903 is operated by INFORBARRA TELECOM. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS263903 registered in?
AS263903 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
