AS28571
ASN28571
UNIVERSIDADE DE SAO PAULO
Registry
Authoritative registration data
- AS number
- 28571
- Name
- ASN28571
- Organisation
- UNIVERSIDADE DE SAO PAULO
- Country
-
BR
Brazil
- RIR
- —
- Registered
IPv4 prefixes
48
IPv6 prefixes
9
Total announced
57
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 143.107.0.0/16 | IPv4 | /16 | not checked | |
| 177.90.128.0/17 | IPv4 | /17 | not checked | |
| 177.90.64.0/18 | IPv4 | /18 | not checked | |
| 200.144.192.0/18 | IPv4 | /18 | not checked | |
| 177.90.32.0/19 | IPv4 | /19 | not checked | |
| 200.144.160.0/19 | IPv4 | /19 | not checked | |
| 200.136.0.0/20 | IPv4 | /20 | not checked | |
| 200.144.48.0/20 | IPv4 | /20 | not checked | |
| 200.17.16.0/20 | IPv4 | /20 | not checked | |
| 200.144.184.0/21 | IPv4 | /21 | not checked | |
| 200.144.244.0/22 | IPv4 | /22 | not checked | |
| 143.107.178.0/23 | IPv4 | /23 | not checked | |
| 143.107.44.0/23 | IPv4 | /23 | not checked | |
| 143.107.84.0/23 | IPv4 | /23 | not checked | |
| 200.136.52.0/23 | IPv4 | /23 | not checked | |
| 200.144.180.0/23 | IPv4 | /23 | not checked | |
| 200.144.182.0/23 | IPv4 | /23 | not checked | |
| 200.144.234.0/23 | IPv4 | /23 | not checked | |
| 200.144.250.0/23 | IPv4 | /23 | not checked | |
| 200.144.252.0/23 | IPv4 | /23 | not checked | |
| 200.144.254.0/23 | IPv4 | /23 | not checked | |
| 200.144.72.0/23 | IPv4 | /23 | not checked | |
| 200.18.106.0/23 | IPv4 | /23 | not checked | |
| 200.18.108.0/23 | IPv4 | /23 | not checked | |
| 143.107.14.0/24 | IPv4 | /24 | not checked | |
| 143.107.154.0/24 | IPv4 | /24 | not checked | |
| 143.107.248.0/24 | IPv4 | /24 | not checked | |
| 143.107.252.0/24 | IPv4 | /24 | not checked | |
| 143.107.253.0/24 | IPv4 | /24 | not checked | |
| 143.107.254.0/24 | IPv4 | /24 | not checked | |
| 143.107.27.0/24 | IPv4 | /24 | not checked | |
| 143.107.3.0/24 | IPv4 | /24 | not checked | |
| 143.107.64.0/24 | IPv4 | /24 | not checked | |
| 143.107.8.0/24 | IPv4 | /24 | not checked | |
| 143.107.86.0/24 | IPv4 | /24 | not checked | |
| 143.107.88.0/24 | IPv4 | /24 | not checked | |
| 200.136.49.0/24 | IPv4 | /24 | not checked | |
| 200.136.54.0/24 | IPv4 | /24 | not checked | |
| 200.144.212.0/24 | IPv4 | /24 | not checked | |
| 200.144.236.0/24 | IPv4 | /24 | not checked | |
| 200.144.237.0/24 | IPv4 | /24 | not checked | |
| 200.144.238.0/24 | IPv4 | /24 | not checked | |
| 200.144.239.0/24 | IPv4 | /24 | not checked | |
| 200.144.248.0/24 | IPv4 | /24 | not checked | |
| 200.144.249.0/24 | IPv4 | /24 | not checked | |
| 200.144.60.0/24 | IPv4 | /24 | not checked | |
| 200.18.53.0/24 | IPv4 | /24 | not checked | |
| 200.9.95.0/24 | IPv4 | /24 | not checked | |
| 2001:12d0::/32 | IPv6 | /32 | not checked | |
| 2001:12d0:8068::/48 | IPv6 | /48 | RPKI invalid | |
| 2001:12d0:8070::/48 | IPv6 | /48 | not checked | |
| 2001:12d0:840::/48 | IPv6 | /48 | not checked | |
| 2001:12d0:880::/48 | IPv6 | /48 | not checked | |
| 2001:12d0:8c0::/48 | IPv6 | /48 | not checked | |
| 2001:12d0::/48 | IPv6 | /48 | not checked | |
| 2001:12d0:c000::/48 | IPv6 | /48 | not checked | |
| 2001:12d0:c080::/48 | IPv6 | /48 | not checked |
No rows match “”.
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Internet Exchanges
Exchanges where this network has a listed peering LAN connection
| Address families | ||
|---|---|---|
| IX.br (PTT.br) São Paulo: ATM/MPLA | 110,000 Mbps | IPv4 · IPv6 |
No rows match “”.
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Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS28571 in BGP paths by route collectors.
Observed upstreams
10 networks seen before AS28571 in AS paths
| Families | |||
|---|---|---|---|
| AS52468 52468 | 351 | 10,801 |
v4
v6
|
| AS61610 ASN61610 | 238 | 4,385 |
v4
v6
|
| AS1251 ASN1251 | 259 | 908 |
v4
v6
|
| AS6939 HURRICANE | 123 | 625 |
v4
v6
|
| AS6057 6057 | 3 | 37 |
v4
v6
|
| AS35280 F5 | 7 | 25 |
v4
v6
|
| AS137409 GSLNETWORKS-AS-AP | 5 | 6 |
v6
|
| AS1916 ASN1916 | 1 | 1 |
v6
|
| AS39120 CONVERGENZE-AS | 1 | 1 |
v6
|
| AS61626 ASN61626 | 1 | 1 |
v6
|
No rows match “”.
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Observed downstreams
0 networks seen after AS28571 in AS paths
No downstreams observed
This AS was not seen carrying traffic towards another network.
Uncertain adjacencies
17 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS14840 ASN14840 | 1 | 72 |
v4
v6
|
| AS24482 SGGS-AS-AP | 1 | 36 |
v4
v6
|
| AS51185 MAINSTREAMING-AS | 1 | 34 |
v4
v6
|
| AS28634 ASN28634 | 1 | 32 |
v4
|
| AS271253 ASN271253 | 1 | 32 |
v4
|
| AS22548 ASN22548 | 1 | 18 |
v4
v6
|
| AS36236 NETACTUATE | 1 | 18 |
v4
v6
|
| AS61573 ASN61573 | 1 | 18 |
v4
v6
|
| AS263152 ASN263152 | 1 | 18 |
v4
v6
|
| AS199524 GCORE | 1 | 17 |
v4
v6
|
| AS198150 SIACOM-AS | 1 | 16 |
v4
|
| AS262427 ASN262427 | 1 | 16 |
v4
|
| AS52873 ASN52873 | 1 | 5 |
v4
v6
|
| AS28624 ASN28624 | 1 | 2 |
v6
|
| AS60503 FNXTEC | 1 | 2 |
v6
|
| AS263237 263237 | 1 | 2 |
v6
|
| AS264479 ASN264479 | 1 | 1 |
v6
|
No rows match “”.
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