AS21309
CASAWEB-AS
Via Molino Rosso 8 IMOLA (BO) ITALY
Registry
Authoritative registration data
- AS number
- 21309
- Name
- CASAWEB-AS
- Organisation
- Via Molino Rosso 8 IMOLA (BO) ITALY
- Country
- —
- RIR
- RIPE
- Registered
IPv4 prefixes
57
IPv6 prefixes
1
Total announced
58
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 213.209.192.0/18 | IPv4 | /18 | not checked | |
| 77.89.0.0/18 | IPv4 | /18 | not checked | |
| 213.174.160.0/19 | IPv4 | /19 | not checked | |
| 213.209.192.0/19 | IPv4 | /19 | not checked | |
| 213.209.224.0/19 | IPv4 | /19 | not checked | |
| 77.89.0.0/19 | IPv4 | /19 | not checked | |
| 77.89.32.0/19 | IPv4 | /19 | not checked | |
| 83.216.160.0/19 | IPv4 | /19 | not checked | |
| 86.110.128.0/19 | IPv4 | /19 | not checked | |
| 213.174.160.0/20 | IPv4 | /20 | not checked | |
| 213.174.176.0/20 | IPv4 | /20 | not checked | |
| 213.209.192.0/20 | IPv4 | /20 | not checked | |
| 213.209.208.0/20 | IPv4 | /20 | not checked | |
| 213.209.224.0/20 | IPv4 | /20 | not checked | |
| 213.209.240.0/20 | IPv4 | /20 | not checked | |
| 77.89.0.0/20 | IPv4 | /20 | not checked | |
| 77.89.16.0/20 | IPv4 | /20 | not checked | |
| 77.89.32.0/20 | IPv4 | /20 | not checked | |
| 77.89.48.0/20 | IPv4 | /20 | not checked | |
| 83.216.160.0/20 | IPv4 | /20 | not checked | |
| 83.216.176.0/20 | IPv4 | /20 | not checked | |
| 86.110.128.0/20 | IPv4 | /20 | not checked | |
| 86.110.144.0/20 | IPv4 | /20 | not checked | |
| 213.174.160.0/21 | IPv4 | /21 | not checked | |
| 213.174.168.0/21 | IPv4 | /21 | not checked | |
| 213.174.176.0/21 | IPv4 | /21 | not checked | |
| 213.174.184.0/21 | IPv4 | /21 | not checked | |
| 5.63.136.0/21 | IPv4 | /21 | not checked | |
| 83.216.160.0/21 | IPv4 | /21 | not checked | |
| 83.216.168.0/21 | IPv4 | /21 | not checked | |
| 83.216.176.0/21 | IPv4 | /21 | not checked | |
| 83.216.184.0/21 | IPv4 | /21 | not checked | |
| 86.110.128.0/21 | IPv4 | /21 | not checked | |
| 86.110.136.0/21 | IPv4 | /21 | not checked | |
| 86.110.144.0/21 | IPv4 | /21 | not checked | |
| 86.110.152.0/21 | IPv4 | /21 | not checked | |
| 185.123.8.0/22 | IPv4 | /22 | not checked | |
| 185.239.96.0/22 | IPv4 | /22 | not checked | |
| 188.125.100.0/22 | IPv4 | /22 | not checked | |
| 188.125.104.0/22 | IPv4 | /22 | not checked | |
| 188.125.108.0/22 | IPv4 | /22 | not checked | |
| 188.125.112.0/22 | IPv4 | /22 | not checked | |
| 188.125.116.0/22 | IPv4 | /22 | not checked | |
| 188.125.120.0/22 | IPv4 | /22 | not checked | |
| 188.125.124.0/22 | IPv4 | /22 | not checked | |
| 188.125.96.0/22 | IPv4 | /22 | not checked | |
| 31.216.240.0/22 | IPv4 | /22 | not checked | |
| 31.216.244.0/22 | IPv4 | /22 | not checked | |
| 31.216.248.0/22 | IPv4 | /22 | not checked | |
| 31.216.252.0/22 | IPv4 | /22 | not checked | |
| 80.86.144.0/22 | IPv4 | /22 | not checked | |
| 80.86.148.0/22 | IPv4 | /22 | not checked | |
| 80.86.152.0/22 | IPv4 | /22 | not checked | |
| 80.86.156.0/22 | IPv4 | /22 | not checked | |
| 185.182.196.0/23 | IPv4 | /23 | not checked | |
| 185.182.198.0/23 | IPv4 | /23 | not checked | |
| 188.125.122.0/24 | IPv4 | /24 | not checked | |
| 2a03:c380::/32 | IPv6 | /32 | not checked |
No rows match “”.
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Internet Exchanges
Exchanges where this network has a listed peering LAN connection
| Address families | ||
|---|---|---|
| MIX Bologna | 10,000 Mbps | IPv4 · IPv6 |
| MIX-IT | 50,000 Mbps | IPv4 · IPv6 |
| VSIX: Primary | 100,000 Mbps | IPv4 |
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 AS21309 in BGP paths by route collectors.
Observed upstreams
23 networks seen before AS21309 in AS paths
| Families | |||
|---|---|---|---|
| AS174 COGENT-174 | 597 | 5,823 |
v4
v6
|
| AS9002 RETN-AS | 643 | 5,236 |
v4
v6
|
| AS6762 SEABONE-NET | 318 | 2,219 |
v4
v6
|
| AS6939 HURRICANE | 133 | 1,229 |
v4
v6
|
| AS8218 NEO-ASN | 19 | 717 |
v4
v6
|
| AS13030 INIT7 | 40 | 670 |
v4
v6
|
| AS5405 | 27 | 438 |
v4
v6
|
| AS14840 ASN14840 | 14 | 308 |
v4
v6
|
| AS137409 GSLNETWORKS-AS-AP | 17 | 249 |
v4
v6
|
| AS8220 COLT | 9 | 208 |
v4
|
| AS22356 | 7 | 136 |
v4
|
| AS24961 | 8 | 115 |
v4
v6
|
| AS4455 | 9 | 101 |
v4
|
| AS6204 | 5 | 75 |
v4
|
| AS2593 | 5 | 57 |
v4
|
| AS60171 | 5 | 57 |
v4
|
| AS9009 M247 | 3 | 55 |
v4
|
| AS31543 MYNET-AS | 3 | 25 |
v4
|
| AS9498 BBIL-AP | 2 | 24 |
v4
|
| AS8529 OMANTEL-AS | 1 | 19 |
v4
|
| AS39120 | 1 | 19 |
v4
|
| AS263444 | 1 | 19 |
v4
|
| AS28716 RETELIT-AS | 1 | 1 |
v6
|
No rows match “”.
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Observed downstreams
10 networks seen after AS21309 in AS paths
Uncertain adjacencies
28 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS24482 SGGS-AS-AP | 9 | 650 |
v4
v6
|
| AS12779 ITGATE | 6 | 204 |
v4
v6
|
| AS212483 level86 | 8 | 124 |
v4
v6
|
| AS49544 i3Dnet | 6 | 118 |
v4
v6
|
| AS20811 BRENNERCOM-AS | 10 | 73 |
v4
|
| AS59919 | 10 | 63 |
v4
|
| AS198150 SIACOM-AS | 8 | 62 |
v4
v6
|
| AS12637 | 7 | 60 |
v4
v6
|
| AS15605 CONNESI | 6 | 59 |
v4
v6
|
| AS49605 | 6 | 59 |
v4
v6
|
| AS5394 Unidata | 5 | 59 |
v4
v6
|
| AS51185 MAINSTREAMING-AS | 5 | 59 |
v4
v6
|
| AS13237 LAMBDANET-AS | 6 | 58 |
v4
|
| AS29049 | 6 | 58 |
v4
|
| AS50877 | 5 | 58 |
v4
v6
|
| AS5392 TELNET-ITALY | 5 | 57 |
v4
|
| AS8660 MATRIX-AS | 5 | 57 |
v4
|
| AS202032 | 4 | 56 |
v4
|
| AS57111 | 4 | 50 |
v4
v6
|
| AS49709 | 3 | 49 |
v4
v6
|
| AS197807 | 1 | 8 |
v4
|
| AS211102 | 2 | 2 |
v4
|
| AS207157 | 1 | 2 |
v4
|
| AS8884 | 1 | 1 |
v4
|
| AS31495 | 1 | 1 |
v4
|
| AS35514 | 1 | 1 |
v4
|
| AS42933 | 1 | 1 |
v4
|
| AS214164 | 1 | 1 |
v4
|
No rows match “”.
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