$ query “AS19182” --type=asn → 1 result(s)
AS19182 · TELEFONICA-BRASIL
TELEFÔNICA BRASIL S.A
AS19182 belongs to TELEFÔNICA BRASIL S.A and is a residential access provider, based in Brazil since 2001. The system announces a solid 245 760 IPv4 addresses, including a /16. Most of its address space is geolocated to Brazil, with additional presence in Australia. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇧🇷 Brazil
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 20, 2001
- Last Changed
- April 01, 2026
- Last Seen
- May 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 20 / 12
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 245 760
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Geolocated Countries
- 🇧🇷 Brazil (141 088 IPs), 🇦🇺 Australia (81 920 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 5 flagged IPs out of 245 760 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Peers
- 1 network exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Degree
- 3 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (1)
- AS10429 — TELEFONICA-BRASIL
Prefix Lists
IPv4 Prefixes (20 total)
- 177.45.0.0/16 (65 536 addresses (/16 prefix))
- 187.121.0.0/17 (32 768 addresses (/17 prefix))
- 189.38.128.0/17 (32 768 addresses (/17 prefix))
- 201.87.0.0/17 (32 768 addresses (/17 prefix))
- 179.97.128.0/18 (16 384 addresses (/18 prefix))
- 200.162.192.0/18 (16 384 addresses (/18 prefix))
- 201.20.192.0/18 (16 384 addresses (/18 prefix))
- 200.160.64.0/19 (8 192 addresses (/19 prefix))
- 200.170.96.0/19 (8 192 addresses (/19 prefix))
- 200.185.224.0/19 (8 192 addresses (/19 prefix))
- 200.150.176.0/20 (4 096 addresses (/20 prefix))
- 200.233.48.0/20 (4 096 addresses (/20 prefix))