AS28126BRISANET SERVICOS DE TELECOMUNICACOES S.A
BrazilRegistryLACNICTypeEyeballAs of 27th September 2026, AS28126 (BRISANET SERVICOS DE TELECOMUNICACOES…), an access network registered in Brazil with LACNIC, originates 54 IPv4 prefixes covering 257k addresses and 68 IPv6 prefixes. By IPv4 address space that makes it the 1,117th-largest of the 79,525 networks we see originating IPv4, and the 28th-largest of 7,983 in Brazil. It is seen behind 40 upstream networks, most often AS37468 (Angola Cables) and AS3356 (Lumen (Level 3)), and in front of 84 downstream networks. 91% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 25% of its routes reach at least 90% of full-feed peers.
At a glance
IPv4 prefixes
IPv6 prefixes
IPv4 addresses
IPv6 /64s
Upstream graph
The networks AS28126 is seen behind, one and two hops out, drawn from real AS paths.
Networks observed one and two hops upstream of AS28126 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
386
adjacent networks
- Upstreams
- 4010%
- Peers
- 26268%
- Downstreams
- 8422%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS37468Angola Cables |  AO | Peer | 5,806 | 123 |
| AS3356Lumen (Level 3) |  US | Peer | 5,764 | 145 |
| AS52320V.tal (GlobeNet) |  CO | Peer | 4,024 | 93 |
| AS13786Seaborn (Seabras USA, LLC) | US | Peer | 3,322 | 66 |
| AS12956Telxius (Telefonica Global) |  ES | Peer | 2,100 | 48 |
| AS6939Hurricane Electric LLC | US | Peer | 1,136 | 21 |
| AS14537Continent 8 LLC | US | Peer | 681 | 4 |
| AS25091IP-Max SA |  CH | Peer | 475 | 5 |
| AS24940Hetzner Online GmbH |  DE | Peer | 432 | 2 |
| AS49544i3D.net B.V |  NL | Peer | 419 | 2 |
Prefixes
All 122The largest blocks AS28126 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 177.37.128.0/17 | 32.8k | 81/81 |
| 187.19.128.0/17 | 32.8k | 81/81 |
| 206.42.0.0/18 | 16.4k | 81/81 |
| 177.37.128.0/19 | 8.2k | 81/81 |
| 177.37.160.0/19 | 8.2k | 81/81 |
| 177.37.192.0/19 | 8.2k | 81/81 |
| 177.37.224.0/19 | 8.2k | 81/81 |
| 187.19.128.0/19 | 8.2k | 81/81 |
| 187.19.160.0/19 | 8.2k | 81/81 |
| 187.19.192.0/19 | 8.2k | 81/81 |
Routing health
How AS28126's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.
RPKI origin validation
- Valid91.0%111
- Invalid0.0%0
- No ROA9.0%11
Propagation
- Globally propagated90% of full-feed peers or more24.6%30
- Partially propagated40% to 90%10.7%13
- Seen by few peersUnder 40%64.8%79
Prefix sizes
IPv4 — 54 prefixes
IPv6 — 68 prefixes
- /324.3B × /641.5%1
- /332.1B × /642.9%2
- /36268M × /644.4%3
- /4016.8M × /641.5%1
- /4865.5k × /6489.7%61
Recent changes
Announcements that started or stopped since 28th Aug 2026.
- Announced187.19.224.0/2322nd Sept 2026
- Withdrawn177.37.172.0/2421st Sept 2026
- Withdrawn177.37.173.0/2421st Sept 2026
- Withdrawn177.37.180.0/2421st Sept 2026
- Withdrawn177.37.181.0/2421st Sept 2026
- Withdrawn177.37.182.0/2421st Sept 2026
- Withdrawn177.37.183.0/2421st Sept 2026
- Withdrawn187.19.176.0/2421st Sept 2026
- Withdrawn187.19.177.0/2421st Sept 2026
- Withdrawn2804:29b8:50c5::/4821st Sept 2026
- Withdrawn2804:29b8:50d3::/4821st Sept 2026
- Withdrawn2804:29b8:50d8::/4821st Sept 2026
1 announced and 15 withdrawn in all; the most recent are shown.
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.